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#281
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Mon, 18 Feb 2008 14:40:50 -0500, Stormin Mormon wrote:
Why did you remove the anode of the old heater? Just curious? Better than curious. I wanted to learn if the anode was corroded in which case it was a diagnostic tool as to what caused the failure of the prior tank. By the way, I found some requirements for the installation of the pressure relief valve plumbing ... which must "not terminate more than 6 inches (152 mm) above the floor". Darn. Now we need to horizontalize it, creating the chance of clog causing further danger to occupants! Donna http://codes.ohio.gov/oac/4101:3-5-01 504.6 Requirements for discharge piping. The discharge piping serving a pressure relief valve, temperature relief valve or combination thereof shall: 1. Not be directly connected to the drainage system. 2. Discharge through an air gap located in the same room as the water heater. 3. Not be smaller than the diameter of the outlet of the valve served and shall discharge full size to the air gap. 4. Serve a single relief device and shall not connect to piping serving any other relief device or equipment. 5. Discharge to the floor, to an indirect waste receptor or to the outdoors. Where discharging to the outdoors in areas subject to freezing, discharge piping shall be first piped to an indirect waste receptor through an air gap located in a conditioned area. 6. Discharge in a manner that does not cause personal injury or structural damage. 7. Discharge to a termination point that is readily observable by the building occupants. 8. Not be trapped. 9. Be installed so as to flow by gravity. 10. Not terminate more than 6 inches (152 mm) above the floor or waste receptor. 11. Not have a threaded connection at the end of such piping. 12. Not have valves or tee fittings. |
#282
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 18, 11:42�am, "Donna Ohl, Grady Volunteer Coordinator"
wrote: On Mon, 18 Feb 2008 09:18:04 -0800 (PST), N8N wrote: If you try to remove it next year, you should be able to do it Good point. We should remove the anode every year so that it *can* be removed when it comes time to replace it with a similarly sized one. One thing we still need to do is attach the drainage pipe from the Temperature & Pressure valve to near the floor in case of an overflow.http://www.flickr.com/photos/donnaohl/2274211119/ Is the drain pipe mandatory (can we just leave it off)? It seems to me a drain pipe *should* be mandatory because you don't want hot water spewing forth at eye level. However, due to configuration changes, even with the taller tank, the old drainage tube is too long and too close to the tank so we can't just screw the old one in. We have to modify it somehow to make it shorter and move it away from the wood base. QUESTION: How many inches ABOVE the garage floor should it end?http://farm3.static.flickr.com/2030/...c9df0f48_m.jpg If we can end ABOVE the 18 inch wooden platform, that would be easier. If we have to end six or so inches above the garage cement floor, that would necessitate an elbow to get past the wooden base but it seems a horizontal line can clog causing a safety hazard. I googled but did not find any specs as to HOW MANY INCHES above either the floor or better yet, the wooden platform, that a drain pipe must terminate.. Can someone recommend a solution? Thanks Donna new plastic [pipe and fitting will repace the drain line easily....... no biggie replace the galvanized all of it before it leaks and causes mold , structural damage or a flood. it will fix all flow issues and make your home more valuable |
#283
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Mon, 18 Feb 2008 12:08:17 -0800 (PST), wrote:
new plastic [pipe and fitting will repace the drain line easily....... no biggie This implies we can't use plastic for the discharge tube: http://www.usinspect.com/WaterHeater...chargeTube.asp Here's what it says ... (catch that last counter-intuitive line!)... Donna A discharge tube is a tube or pipe that is attached to the TPR valve that directs the superheated water down to the floor and away from anyone in the discharge area to prevent scalding or burning. The pipe itself must be made of a material that is rated for both high temperature and pressure, which includes most rigid wall copper or iron. Also, the size of the pipe must match the opening size of the TPR valve discharge (usually ¾ inch). The tube must terminate no more than 6 inches from the floor or be directed to the exterior of the home. If the discharge tube is routed to the exterior, the pipe must discharge 6 to 24 inches from grade, with a downward slope to prevent the pipe from clogging or forming a trap. Blocked discharge tubes will prevent the superheated water from discharging and will burst. Though counterintuitive, it is often recommended that the discharge tube terminate next to the water heater so that any malfunction of the water heater will be more readily noticed. |
#284
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Quick basic advice on a dripping gas 40-gal hot-water heater
The tube must terminate no more than 6 inches from the floor or be directed
to the exterior of the home. Notice this one says six to twelve inches above the floor: http://www.factsfacts.com/MyHomeRepa...sureRelief.htm And, again, note the restrictions on the materials. The discharge tube overflow pipe "must be made of a material that's rated for both high temperature and pressure. This includes most rigid wall copper, iron and, in most places, chlorinated polyvinylchloride (CPVC plastic not regular PVC) pipe. The pipe size must match the opening size of the TPR valve discharge (usually ¾ inch). It must terminate 6"-12" above the floor, and the end cannot be threaded or have a fitting which permits connecting a plug or cap." |
#285
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Quick basic advice on a dripping gas 40-gal hot-water heater
"Donna Ohl, Grady Volunteer Coordinator" wrote in
message news One minor question we had for the natural gas line was whether or not to kink the gas hose in an S-shaped curve to trap sediments before they enter the thermostat. http://www.flickr.com/photos/donnaohl/2273276741/ Do you arrange the gas hose in any particular manner? Yes. There should be a tee. It would go something like this: The incoming gas goes to the heater thru the tee, but at the bottom of the tee is a 6" piece of pipe to catch oil & other impurities in the gas. tailpiece, drip loop, whatever you want to call it. The -hose- goes from the tee to the heater; the rest is solid pipe. incoming gas water heater tail piece |
#286
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
"Donna Ohl, Grady Volunteer Coordinator" wrote in
message ... 2. Even Superman couldn't would have a tough time removing mine ... http://farm3.static.flickr.com/2033/...b7d618.jpg?v=0 Given it took a pipe wrench plus a huge cheater bar to remove the anode with the water heater removed and blocked on the ground ... and given that On your new heater, take the anode out and wrap the threads once with teflon tape or anti-seize compound. Much easier to remove the next time; still provides protection too. |
#287
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
"Bob M." wrote in message . .. "Donna Ohl, Grady Volunteer Coordinator" wrote in message ... 2. Even Superman couldn't would have a tough time removing mine ... http://farm3.static.flickr.com/2033/...b7d618.jpg?v=0 Given it took a pipe wrench plus a huge cheater bar to remove the anode with the water heater removed and blocked on the ground ... and given that On your new heater, take the anode out and wrap the threads once with teflon tape or anti-seize compound. Much easier to remove the next time; still provides protection too. Doesn't it still need to be grounded to the tank? I remember from boats that the sacrificial anode needs a good solid ground connection to the engine or transmission block. |
#288
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 18, 6:24�pm, "James Sweet" wrote:
"Bob M." wrote in message . .. "Donna Ohl, Grady Volunteer Coordinator" wrote in igy.net... 2. Even Superman couldn't would have a tough time removing mine ... �http://farm3.static.flickr.com/2033/...b7d618.jpg?v=0 Given it took a pipe wrench plus a huge cheater bar to remove the anode with the water heater removed and blocked on the ground ... and given that On your new heater, take the anode out and wrap the threads once with teflon tape or anti-seize compound. Much easier to remove the next time; still provides protection too. Doesn't it still need to be grounded to the tank? I remember from boats that the sacrificial anode needs a good solid ground connection to the engine or transmission block. yes it does,,,,,,,,,,,, no metal to metal contact no protection..... geez i just replace the tank when it fails, it gets me a more efficent unit every 10 years or so. disturbing the anode and messing with the tank can generate a leak and early tank replacement......... |
#289
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
"James Sweet" wrote in message
news:atouj.5014$_T3.3895@trnddc07... "Bob M." wrote in message . .. "Donna Ohl, Grady Volunteer Coordinator" wrote in message ... 2. Even Superman couldn't would have a tough time removing mine ... http://farm3.static.flickr.com/2033/...b7d618.jpg?v=0 Given it took a pipe wrench plus a huge cheater bar to remove the anode with the water heater removed and blocked on the ground ... and given that On your new heater, take the anode out and wrap the threads once with teflon tape or anti-seize compound. Much easier to remove the next time; still provides protection too. Doesn't it still need to be grounded to the tank? I remember from boats that the sacrificial anode needs a good solid ground connection to the engine or transmission block. Yes, and it is even with a layer of teflon tape. Can be easily tested with a meter. If someone's really concerned, use anti-seize compound available at auto parts places. It's used for spark plugs. |
#290
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Mon, 18 Feb 2008 15:31:12 -0800 (PST), wrote:
Doesn't it still need to be grounded to the tank? yes it does,,,,,,,,,,,, no metal to metal contact no protection..... In addition to the prior quoted article from Rheem which says to use Teflon tape on the sacrificial anode, these guys on the plumbing forum ran an experiment by wrapping 20 layers of Teflon tape around a threaded coupling and then measuring the electrical resistance: http://www.plbg.com/forum/read.php?1,285316 Here's what they say about it. Donna "I just put about 20 layers of teflon tape on each end of a nipple and tightened one into female galv an one end into female copper. I then used a multimeter to measure the resistance from one fitting to the other, through the two teflon-tape joints. The resistance was less than a tenth of an ohm (i.e. short circuit). When I did the same across a dielectric union, I got about 2 mega-ohms (i.e. there's just a tiny bit of conduction through the water, but the metals aren't touching) So the business about teflon tape being just as good as a dielectric union is complete nonsense. The threads just cut through the teflon. It may work in some cases, but it won't work in others and should not be recommended. What's amazing to me is that there are all these "old plumbers' tales" out there, so people are arguing about whether brass or teflon or stainless are good or bad. Shouldn't this be scientifically determined? I realize that corrosion happens over many years, but still, there must be ways of measuring corrosion in the lab. It shouldn't be a matter of opinion or first-person stories (anecdotal evidence)." |
#291
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Mon, 18 Feb 2008 19:57:10 -0700, Rick Blaine wrote:
Does the pressure of the hot water rise to 120 psi while the pressure of the cold water remains at 80 psi? Water expands when heated... Older systems allow that pressure to go back into the supply line towards the street. newer systems have check valves. Hi Rick, I was wondering why BOTH the hot water outlet and the cold-water inlet had check valves built into the respective dialectric nipples provided in the top of the new tank! Are you saying the hot-water check valve prevents hot water from leaking up the pipe for efficiency reasons; while the cold-water check valve prevents hot water from leaking backward into the supply line? If the pressure is 150 psi inside the tank, what is the pressure the hot water is coming out? Is it at 150 psi while the cold water remains at 80 psi? I find that hard to believe, empirically. Donna |
#292
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Mon, 18 Feb 2008 18:00:09 -0700, Bob M. wrote:
I remember from boats that the sacrificial anode needs a good solid ground connection to the engine or transmission block. Yes, and it is even with a layer of teflon tape. Can be easily tested with a meter. If someone's really concerned, use anti-seize compound available at auto parts places. It's used for spark plugs. I think "grounded" might not be the right word; but the anode must be "connected" electrically to the tank as a requirement for its purpose. I do remember in my research last week (oh so long ago) one article where guys tested it with an ohmmeter and found that Teflon tape didn't hurt the anodic action. Here's one article that says distinctly to use Teflon on the anode: http://www.inspectorsjournal.com/for...?TOPIC_ID=2431 There it says: "Remove the old anode rod with a 1 and 1/16 inch six-sided wrench or socket. Do NOT use a 12-point wrench or socket or you will strip the head of the anode. Get at least a 24-inch cheater bar. I keep a piece of 3/4 inch black iron pipe in the garage just for this purpose. Place the cheater pipe over the socket handle. Have someone hold the water heater while you slowly break the seal. Once broken, the anode removes quite easily." It goes on to talk about the Teflon: "Replace with a new anode rod. It is a 3/4-inch National Pipe Thread (NPT) part. You may find one at any plumbing house or home store. Use pipe sealer or Teflon tape to seal the threads. Snug it down tightly. Remember the water heater builds up 150 PSI of pressure inside the tank." BTW, where does the 150 psi come from? I thought incoming water was about 80 psi. Does just the fact we're heating the water raise the pressure? Why? It's only 120 degrees (merely hot); not 212 degrees (boiling). Does the pressure of the hot water rise to 120 psi while the pressure of the cold water remains at 80 psi? |
#293
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
"Donna Ohl, Grady Volunteer Coordinator" wrote:
BTW, where does the 150 psi come from? I thought incoming water was about 80 psi. Does just the fact we're heating the water raise the pressure? Why? It's only 120 degrees (merely hot); not 212 degrees (boiling). Does the pressure of the hot water rise to 120 psi while the pressure of the cold water remains at 80 psi? Water expands when heated... Older systems allow that pressure to go back into the supply line towards the street. newer systems have check valves. |
#294
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
"Donna Ohl, Grady Volunteer Coordinator" wrote in message If the pressure is 150 psi inside the tank, what is the pressure the hot water is coming out? Is it at 150 psi while the cold water remains at 80 psi? I find that hard to believe, empirically. Donna It is whatever it is until you open a valve and it will be no more than the cold water behind it. Static pressure is probably not much more than the dynamic anyway given the low temperature. Water does not compress well so it is very easy to relieve pressure so there will be no dramatic "poof" when you open the tap. If, however, the gas ran wild and made steam you could have much more pressure and a violent release. |
#295
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Mon, 18 Feb 2008 23:24:54 GMT, James Sweet wrote:
On your new heater, take the anode out and wrap the threads once with teflon tape or anti-seize compound. Much easier to remove the next time; still provides protection too. I remember from boats that the sacrificial anode needs a good solid ground connection to the engine or transmission block. Hi James, Many articles I find on replacing the sacrificial anode discuss the use of Teflon tape to prevent leaks. Apparently the threads cut right through the tape to make plenty of metal to metal contact in the steel tank. For example, "This Old House" http://www.thisoldhouse.com/toh/vide...047047,00.html shows a video of a destroyed sacrificial anode (just like mine) and a passivated (covered in Calcium deposits) sacrificial anode. They replaced it with both a three-foot-eight-inch straight anode and a three-link sausage-shaped collapsible anode (for tight spaces). Both had Teflon tape in the threads! In addition, this article was written by a housing specialist and was reviewed by three PH.D.s and the EPA - and it clearly says to use Teflon tape on the sacrificial WH anode for replacement: http://www.fcs.uga.edu/ext/pubs/hace/HACE-E-60-05.pdf They say: "Wrap the threads of the new rod in Teflon tape." This article by John Wood Heaters also says to use Teflon tape: http://www.johnwoodwaterheaters.com/...chsupport.html They say: "Wrap threads of the anode with plumber¢s tape or use pipe dope approved for use with potable water, and install the (new) anode into tank and tighten." This very informative series of articles are some of the best I've seen explaining sacrificial anodes for water heaters and other topics. http://216.250.104.54/default.cfm?PageId=42306 It covers lots of interesting topics, including how to bend anodes to fit them in tight spaces but unfortunately, it doesn't cover the Teflon issue. |
#296
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Quick basic advice on a dripping gas 40-gal hot-water heater
How can it be that replacing a drain valve in a full tank leaks not water?
I still feel badly that I didn't replace the plastic drain valve with the brass ball valve because I was afraid the plastic was not removable (that's what Sears salespeople said anyway, instilling FUD in my mind). I was subsequently reading how to replace the plastic drain valve after the fact and they all seem to say it won't leak if I do so with a full tank. Huh? How can removing the drain valve at the bottom of a full water heater not leak 50 gallons of water? I already saw, first hand, what happens when that drain valve http://www.flickr.com/photos/donnaohl/2274079114/ snaps off http://www.flickr.com/photos/donnaohl/2273262545/ spewing 40 gallons of hot water in my garage http://www.flickr.com/photos/donnaohl/2273262535/ Can someone clarify this statement from, say: http://216.250.104.54/default.cfm?PageId=41781 (see excerpt below). Donna Maintenance Tip #21 Drain valves Drain valves usually come when you buy them from a manufacturer. They used to be brass. You should install a 3/4 ball valve on your water heater. The plastic ones are prone to leaking. To install a brass ball valve, turn the gas or electricity off and open a hot tap inside the house. If you have a cone-shaped valve, unscrew it counterclockwise six turns or so and pull it out at the same time. Now turn it clockwise while continuing to pull and it will come out. Wrap Teflon on the nipple that is exposed on the water heater. Attach the ball valve now. If you have a plastic drain valve that looks like a hose bib, unscrew it by turning the entire valve itself. A little water may come out while you're installing a new valve, but not much at all. Wear gloves to avoid getting scalded. |
#298
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
Donna Ohl, Grady Volunteer Coordinator wrote:
How can it be that replacing a drain valve in a full tank leaks not water? I still feel badly that I didn't replace the plastic drain valve with the brass ball valve because I was afraid the plastic was not removable (that's what Sears salespeople said anyway, instilling FUD in my mind). I was subsequently reading how to replace the plastic drain valve after the fact and they all seem to say it won't leak if I do so with a full tank. Huh? How can removing the drain valve at the bottom of a full water heater not leak 50 gallons of water? I already saw, first hand, what happens when that drain valve http://www.flickr.com/photos/donnaohl/2274079114/ snaps off http://www.flickr.com/photos/donnaohl/2273262545/ spewing 40 gallons of hot water in my garage http://www.flickr.com/photos/donnaohl/2273262535/ Can someone clarify this statement from, say: http://216.250.104.54/default.cfm?PageId=41781 (see excerpt below). Donna Maintenance Tip #21 Drain valves Drain valves usually come when you buy them from a manufacturer. They used to be brass. You should install a 3/4 ball valve on your water heater. The plastic ones are prone to leaking. To install a brass ball valve, turn the gas or electricity off and open a hot tap inside the house. If you have a cone-shaped valve, unscrew it counterclockwise six turns or so and pull it out at the same time. Now turn it clockwise while continuing to pull and it will come out. Wrap Teflon on the nipple that is exposed on the water heater. Attach the ball valve now. If you have a plastic drain valve that looks like a hose bib, unscrew it by turning the entire valve itself. A little water may come out while you're installing a new valve, but not much at all. Wear gloves to avoid getting scalded. Their idea of "a little" water is "about 5-10 gallons." I would drain the tank prior to replacing. I did just this on two heaters in my basement last year and I was unable to completely drain them (the WH drains are lower than any drain in the house) I had a mess to clean up after each one, and lots of sediment came spewing out too. It was especially fun as both were so close to the floor (wh's not on stands) that I had to leave the new valves open while starting the threads. Assembling the whole mess on the bench and installing the garden hose cap is highly recommended. There will be less water coming out than you experienced with your old tank because of the vacuum of having all the valves in the house shut, but it'll still come out eventually. nate -- replace "roosters" with "cox" to reply. http://members.cox.net/njnagel |
#299
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 19, 6:30*am, Nate Nagel wrote:
Donna Ohl, Grady Volunteer Coordinator wrote: How can it be that replacing a drain valve in a full tank leaks not water? I still feel badly that I didn't replace the plastic drain valve with the brass ball valve because I was afraid the plastic was not removable (that's what Sears salespeople said anyway, instilling FUD in my mind). I was subsequently reading how to replace the plastic drain valve after the fact and they all seem to say it won't leak if I do so with a full tank. Huh? How can removing the drain valve at the bottom of a full water heater not leak 50 gallons of water? I already saw, first hand, what happens when that drain valve http://www.flickr.com/photos/donnaohl/2274079114/ snaps off http://www.flickr.com/photos/donnaohl/2273262545/ spewing 40 gallons of hot water in my garage http://www.flickr.com/photos/donnaohl/2273262535/ Can someone clarify this statement from, say: http://216.250.104.54/default.cfm?PageId=41781(see excerpt below). Donna Maintenance Tip #21 Drain valves Drain valves usually come when you buy them from a manufacturer. *They used to be brass. *You should install a 3/4 ball valve on your water heater.. The plastic ones are prone to leaking. *To install a brass ball valve, turn the gas or electricity off and open a hot tap inside the house. *If you have a cone-shaped valve, unscrew it counterclockwise six turns or so and pull it out at the same time. *Now turn it clockwise while continuing to pull and it will come out. *Wrap Teflon on the nipple that is exposed on the water heater. *Attach the ball valve now. *If you have a plastic drain valve that looks like a hose bib, unscrew it by turning the entire valve itself. A little water may come out while you're installing a new valve, but not much at all. *Wear gloves to avoid getting scalded. Their idea of "a little" water is "about 5-10 gallons." *I would drain the tank prior to replacing. *I did just this on two heaters in my basement last year and I was unable to completely drain them (the WH drains are lower than any drain in the house) I had a mess to clean up after each one, and lots of sediment came spewing out too. *It was especially fun as both were so close to the floor (wh's not on stands) that I had to leave the new valves open while starting the threads. Assembling the whole mess on the bench and installing the garden hose cap is highly recommended. There will be less water coming out than you experienced with your old tank because of the vacuum of having all the valves in the house shut, but it'll still come out eventually. nate -- replace "roosters" with "cox" to reply.http://members.cox.net/njnagel- Hide quoted text - - Show quoted text - Also, before draining the tank to remove sediment or to work on it, it's a good idea to shut the gas off a long time before you're going to do the work. That way, you can use up most of the hot water in the tank through normal use, instead of wasting it. |
#300
Posted to alt.home.repair,misc.consumers.frugal-living,sci.electronics.repair
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 19, 6:30�am, Nate Nagel wrote:
Donna Ohl, Grady Volunteer Coordinator wrote: How can it be that replacing a drain valve in a full tank leaks not water? I still feel badly that I didn't replace the plastic drain valve with the brass ball valve because I was afraid the plastic was not removable (that's what Sears salespeople said anyway, instilling FUD in my mind). I was subsequently reading how to replace the plastic drain valve after the fact and they all seem to say it won't leak if I do so with a full tank. Huh? How can removing the drain valve at the bottom of a full water heater not leak 50 gallons of water? I already saw, first hand, what happens when that drain valve http://www.flickr.com/photos/donnaohl/2274079114/ snaps off http://www.flickr.com/photos/donnaohl/2273262545/ spewing 40 gallons of hot water in my garage http://www.flickr.com/photos/donnaohl/2273262535/ Can someone clarify this statement from, say: http://216.250.104.54/default.cfm?PageId=41781(see excerpt below). Donna Maintenance Tip #21 Drain valves Drain valves usually come when you buy them from a manufacturer. �They used to be brass. �You should install a 3/4 ball valve on your water heater. The plastic ones are prone to leaking. �To install a brass ball valve, turn the gas or electricity off and open a hot tap inside the house. �If you have a cone-shaped valve, unscrew it counterclockwise six turns or so and pull it out at the same time. �Now turn it clockwise while continuing to pull and it will come out. �Wrap Teflon on the nipple that is exposed on the water heater. �Attach the ball valve now. �If you have a plastic drain valve that looks like a hose bib, unscrew it by turning the entire valve itself. A little water may come out while you're installing a new valve, but not much at all. �Wear gloves to avoid getting scalded. Their idea of "a little" water is "about 5-10 gallons." �I would drain the tank prior to replacing. �I did just this on two heaters in my basement last year and I was unable to completely drain them (the WH drains are lower than any drain in the house) I had a mess to clean up after each one, and lots of sediment came spewing out too. �It was especially fun as both were so close to the floor (wh's not on stands) that I had to leave the new valves open while starting the threads. Assembling the whole mess on the bench and installing the garden hose cap is highly recommended. There will be less water coming out than you experienced with your old tank because of the vacuum of having all the valves in the house shut, but it'll still come out eventually. nate -- replace "roosters" with "cox" to reply.http://members.cox.net/njnagel- Hide quoted text - - Show quoted text - leave all the faucets OFF while changing valves. the plastic valves are fine if they get just ONE use, to drain the tank at end of use....... |
#301
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Tue, 19 Feb 2008 07:39:50 -0700, Rick Blaine wrote:
"Donna Ohl, Grady Volunteer Coordinator" wrote: I was wondering why BOTH the hot water outlet and the cold-water inlet had check valves built into the respective dialectric nipples provided in the top of the new tank! If you are talking about the galvanized nipples with blue plastic flaps that go between the heater at the cold/hot ports, those are thermal breaks - not check valves. They reduce the heat loss from the tank into the pipes when the water is not being used. A check valve is significantly larger than a nipple and would typically only be be found after the main valve and before the heater. Hi Rick, Oh. That changes things. I'll check with the literature. We thought the hot had a heat check valve inside the nipple. It had a black rubber center which the cold nipple didn't have. Due to the fact there was little room, and we thought the heat-loss valve was already there, we didn't put in a flap valve and we used a straight stainless steel flexible pipe. If what you say is correct, then we may need to replace the stainless steel flexible pipe with an S-shaped copper flex tube plus a dialectric union. One question that still confuses me is the BRASS on the ends of some of the stainless steel and copper pipes. Can we pub BRASS to galvanized or must we alwyas use a dialectric union. (I ask because the stainless steel pipe had brass on the end yet it was advertised for iron to iron). Donna |
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Quick basic advice on a dripping gas 40-gal hot-water heater
"Donna Ohl, Grady Volunteer Coordinator" wrote:
I was wondering why BOTH the hot water outlet and the cold-water inlet had check valves built into the respective dialectric nipples provided in the top of the new tank! If you are talking about the galvanized nipples with blue plastic flaps that go between the heater at the cold/hot ports, those are thermal breaks - not check valves. They reduce the heat loss from the tank into the pipes when the water is not being used. A check valve is significantly larger than a nipple and would typically only be be found after the main valve and before the heater. |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Tue, 19 Feb 2008 05:23:57 -0800 (PST), wrote:
There will be less water coming out than you experienced with your old tank because of the vacuum of having all the valves in the house shut, shut off the gas a long time before ... you can use up most of the hot water in the tank Hi trader, I learned this one in spades! We had used up some of the hot water (Bill took a really really long shower with the gas turned off) before the fiasco of the snapped valve: http://www.flickr.com/photos/donnaohl/2273262545/ We had warm, not hot, water all over the garage as the tank shot it out two feet. Luckily I was around as the tank had just been righted after tipping over as we tried to get it off the stand, full of water. It was horrid. http://www.flickr.com/photos/donnaohl/2273262531/ The only good thing was you had already admonished us to have tepid water in the tank and that's what saved us from getting scalded as Bill stuck his finger in the hole (it was just the right size) to stop the leak and I bucketed the water outside. http://www.flickr.com/photos/donnaohl/2273262535/ We would have been burned had we not taken that good advice from this newsgroup! Others should heed the warning too. Thanks, Donna |
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Quick basic advice on a dripping gas 40-gal hot-water heater
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Quick basic advice on a dripping gas 40-gal hot-water heater
I opened a separate thread on alt.home.repair to ask how to clean out a dishwasher without being able to remove it (it's bricked in it seems). The dishwasher is bricked in? Sheesh, how did they even manage that? Fortunately most things can be accessed by removing the kick plate. The water inlet is a solenoid valve normally in the left-front corner of the machine. It will attach with a compression fitting which you can disconnect and then you should be able to remove the valve and clean it out. I suspect your clog is right there. |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 18, 8:23 pm, "Donna Ohl, Grady Volunteer Coordinator"
wrote: I still feel badly that I didn't replace the plastic drain valve with the brass ball valve because I was afraid the plastic was not removable (that's what Sears salespeople said anyway, instilling FUD in my mind). Don't bother replacing the WH drain now. Fix the clogged dishwasher instead. Replace that factory drain valve in six months when you flush the WH for your first maintenance interval. As for that clogged dishwasher, you'll likely have to break the bricks bricking it in in order to get to the innards. Good luck. Ask questions. Take advice with a grain of salt. And post back with your results! |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 19, 4:23�pm, wrote:
On Feb 18, 8:23 pm, "Donna Ohl, Grady Volunteer Coordinator" wrote: I still feel badly that I didn't replace the plastic drain valve with the brass ball valve because I was afraid the plastic was not removable (that's what Sears salespeople said anyway, instilling FUD in my mind). Don't bother replacing the WH drain now. Fix the clogged dishwasher instead. Replace that factory drain valve in six months when you flush the WH for your first maintenance interval. As for that clogged dishwasher, you'll likely have to break the bricks bricking it in in order to get to the innards. Good luck. Ask questions. Take advice with a grain of salt. And post back with your results! donna is a nice new home owner. before you know it she will be like most of us long termers, doing what we must, and ignoring drain valves etc. all she needs is doing one preventive maintence job that turns a working whatever into a non functional disaster that costs a fortune to fix. i rather imagine most of us have been thru one of those. kinda like pruning a tree, having a limb fall onto the roof, while replacing damaged shingles fall off roof, hit power line, ripping it off the side of the house. fortunately the poor fellow didnt get shocked, or seriously hurt. but the colateral costs, pay someone to finish tree trimming and clean up, pay electrician to put service back on house, losts food in fridge, power was off too long. my friend, spent nearly 2 days in hospital, sent home on crutches.missed a week work no sick time....... this happened to a guy i knew. a old neighbor decided to replace his bathroom floor. lose floorboard, ran nail into water line, flood took down kitchen cieling.. need plumber, new cieling and contracted out bathroom redo. so he decided cars would be his thing, took air cleaner off to adjust carbuerator, reved engine, air cleaner housing dropped into fan went thru radiator. tow truck, new fan, new radiator, misc repairs, had carb replaced. new DIYers be careful so we dont add your story to the list my memorable event did some plumbing, opened main valve with one connection still open to flush lines, main valve failed couldnt shut off, had to call water company who had great trouble finding main valve, as street had been raised........ could of got arrested so upset i forgot to pay for valve at hardware store, i just walked out, no register stop, the store owner who knew me thought it funny, as my shoies went squish squish waterlogged as i walked out.. just a memorable day for a home repairer. a buddy of mine in detroit was doing some wiring, turned breaker back on, all power in building went out, fact all power from detroit to new york. that big power failure from some years ago........... wasnt his fault but just imagine now that was funny!!!!! |
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Quick basic advice on a dripping gas 40-gal hot-water heater
all she needs is doing one preventive maintence job that turns a
working whatever into a non functional disaster that costs a fortune to fix. i rather imagine most of us have been thru one of those. Oh it happens to the best of us, it's why contractors are bonded. I once went to replace the distributor on a car, somehow managed to drop a socket down into the timing belt cover while trying to locate TDC, and then broke the timing belt in the process of getting that out. Thankfully it turned out to be a non-interference engine so no major damage was done. On top of all that, the car happened to belong to my boss, and I was working on it in the back parking lot at work. A 20 minute job turned into 3 days of early mornings and late evenings since so much had to come apart to fix the stupid thing. In the end though no real harm was done and it was a learning experience to say the least. Some would give up after that, but being a true DIYer I climbed back in the saddle and haven't made that same mistake again. For every time I break something and make a job 10x what it should have been, I save a fortune on a dozen other projects by doing them myself and I can provide advice to others to prevent them from doing what I did. When I was a kid I watched my dad hit a water pipe with a Sawzall while putting in a light fixture, oops! Always take great care to cut a small hole first so you can see whats in there. |
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Quick basic advice on a dripping gas 40-gal hot-water heater
James Sweet wrote:
all she needs is doing one preventive maintence job that turns a working whatever into a non functional disaster that costs a fortune to fix. i rather imagine most of us have been thru one of those. Oh it happens to the best of us, it's why contractors are bonded. I once went to replace the distributor on a car, somehow managed to drop a socket down into the timing belt cover while trying to locate TDC, and then broke the timing belt in the process of getting that out. Thankfully it turned out to be a non-interference engine so no major damage was done. On top of all that, the car happened to belong to my boss, and I was working on it in the back parking lot at work. A 20 minute job turned into 3 days of early mornings and late evenings since so much had to come apart to fix the stupid thing. In the end though no real harm was done and it was a learning experience to say the least. Some would give up after that, but being a true DIYer I climbed back in the saddle and haven't made that same mistake again. For every time I break something and make a job 10x what it should have been, I save a fortune on a dozen other projects by doing them myself and I can provide advice to others to prevent them from doing what I did. When I was a kid I watched my dad hit a water pipe with a Sawzall while putting in a light fixture, oops! Always take great care to cut a small hole first so you can see whats in there. This could turn into a whole new thread of major f*ckups that we learned from.... (One of) mine was when replacing the clutch on the family car--along with my older brother--when we were 14 and 17 respectively. I put the first bolt in the pressure plate, 'bumped' the starter in order to pull the engine around to access the rest... ....and forgot to pull the coil wire. BAM! Engine fired up (briefly) and trashed the new pressure plate. Luckily no other damage or injury resulted. jak |
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Quick basic advice on a dripping gas 40-gal hot-water heater
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 19, 5:37*pm, " wrote:
all she needs is doing one preventive maintence job that turns a working whatever into a non functional disaster that costs a fortune to fix. i rather imagine most of us have been thru one of those. Ain't that the truth. I still err on the side of too much PM because I seem to be one of those guys who manage to pull off just about every job I actually *do* without too much hassle, but God forbid that I let any PM slide on anything, it will bite me in the a$$... There are a few exceptions to that rule however. the funniest was, though, my ex-GF had a '69 Plymouth Valiant that I'd found for her, because her old Monte Carlo was too much of a rusty roach to pass PA state safety inspection without a new frame. It was in immaculate shape, and ran and drove well. she took it to a local garage to get it inspected and the guy failed her for dry-rotted suspension bushings. So I called up PST, ordered a front end rebuild kit, and went to town. I figured that it would be pretty easy, and after all I was a mechanical engineering student so had access to the school machine shop, what could possibly go wrong? I drove the control arms down to another shop to have them bead blasted, painted everything up real nice, went to put the first side back together and I realize that the strut rod bushings are WAY too thick. Called up PST, after being on the phone with tech support for quite some while, figured out that they had the year breaks in their catalog wrong and I needed the earlier version. Well their ******* people wouldn't trade me for the ones I needed, wouldn't sell them separately, etc. etc. etc. Also found out that one tie rod was swapped end for end so I needed to order a new inner tie rod end as well (basic rebuild kit only had outer tie rods, and the inspector had flagged outer tie rod ends for replacement as well.) Car was on jackstands on the street in front of her house for about 3 weeks while this was all going on (this was supposed to be about a 3-day project, I had it all planned out...) finally her annoying neighbor called the city to schedule tree trimming, I had to throw the car together one evening wrong bushings and all just to move it so it didn't get towed. By this time I'd found a guy with a machine shop in his basement to turn down the strut rod bushings for me to the thickness actually required, but I didn't have time to R&R the lower control arm on one side. Somewhere out there there is still a pea soup green '69 Valiant with a nice polygraphite front end that has one original rubber lower control arm bushing and one original rubber strut rod bushing... what a charlie foxtrot. You would think that I'd learned my lesson but a couple months later my '67 Dart blew up its transmission on my way to her house, and I coasted it into the exact same parking place where the Valiant had been sitting. I borrowed the Valiant, went to the junkyard, got another transmission, swapped that in at the side of the road in the snow, and the car moved about 6 feet and never moved again. I sold it for $50 just to get it the hell out of my sight. Lesson learned; I don't do any work on cars outside of a garage or driveway anymore... no job, no matter how simple appearing, is not going to take about 10x as long as you think it is and if you're in a hurry you're going to make mistakes. nate (you may all laugh at me now) |
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Quick basic advice on a dripping gas 40-gal hot-water heater
"Donna Ohl, Grady Volunteer Coordinator" wrote in message t... On Tue, 19 Feb 2008 05:27:28 -0800 (PST), wrote: the plastic valves are fine if they get just ONE use, to drain the tank at end of use....... Hi hallerb, I understand your point. But, from what I read, they used to be brass and the manufacturers switched to the plastic for cost reasons only. Also, I read a brass ball valve doesn't clog as easily. Given our experience this past weekend, where the valve first clogged and then broke off inside the water heater, it would seem to us that over time, the brass will be less likely to break than the plastic. Of course, one reason ours clogged was likely the fact we never flushed it so the sediments may have been too much for any valve - and one reason it broke is that we were manhandling it trying to get the tipped-over water heater back on the stand ... so you might be right. I think I now understand how to replace the brass valve. In fact, a more important issue came up in that our dishwasher suddenly stopped working. I think it's due to the sediment being sent through the pipes (our shower heads were totally clogged all of a sudden, with sandy grainy stuff). I opened a separate thread on alt.home.repair to ask how to clean out a dishwasher without being able to remove it (it's bricked in it seems). I feel like "this old house" is attacking me so it's nice to have this wonderful newsgroup as my friends to help in times of need! Donna Any good installation of an appliance like a washing machine, dishwasher etc should have a filter screen / rubber washer fitted to the hose fitting to the tap that controls the water to the appliance, with a bit of luck it should be as easy as to removing the hose from the tap and cleaning that filter / screen. There could be an additional screen fitted to the water inlet valve on the appliance as well that might need cleaning so depending on the difficulty on accessing the fittings, start with the easy one first and test from there before attempting the more difficult one. If you have cleaned out all the filters and it still doesn't work you could have had the unfortunate problem of luck that it also failed at close to the same time (It happens occasionally unfortunately) so good luck with it all. Justy. |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 19, 7:37�pm, "Only Just" ifixit2@hotmail(dot)com wrote:
"Donna Ohl, Grady Volunteer Coordinator" wrote in digy.net... On Tue, 19 Feb 2008 05:27:28 -0800 (PST), wrote: the plastic valves are fine if they get just ONE use, to drain the tank at end of use....... Hi hallerb, I understand your point. But, from what I read, they used to be brass and the manufacturers switched to the plastic for cost reasons only. Also, I read a brass ball valve doesn't clog as easily. Given our experience this past weekend, where the valve first clogged and then broke off inside the water heater, it would seem to us that over time, the brass will be less likely to break than the plastic. Of course, one reason ours clogged was likely the fact we never flushed it so the sediments may have been too much for any valve - and one reason it broke is that we were manhandling it trying to get the tipped-over water heater back on the stand ... so you might be right. I think I now understand how to replace the brass valve. In fact, a more important issue came up in that our dishwasher suddenly stopped working. I think it's due to the sediment being sent through the pipes (our shower heads were totally clogged all of a sudden, with sandy grainy stuff). I opened a separate thread on alt.home.repair to ask how to clean out a dishwasher without being able to remove it (it's bricked in it seems). I feel like "this old house" is attacking me so it's nice to have this wonderful newsgroup as my friends to help in times of need! Donna Any good installation of an appliance like a washing machine, dishwasher etc should have a filter screen / rubber washer fitted to the hose fitting to the tap that controls the water to the appliance, with a bit of luck it should be as easy as to removing the hose from the tap and cleaning that filter / screen. There could be an additional screen fitted to the water inlet valve on the appliance as well that might need cleaning so depending on the difficulty on accessing the fittings, start with the easy one first and test from there before attempting the more difficult one. If you have cleaned out all the filters and it still doesn't work you could have had the unfortunate problem of luck that it also failed at close to the same time (It happens occasionally unfortunately) so good luck with it all. Justy.- Hide quoted text - - Show quoted text - I just installed a couple dishwashers, one for us and one for a friend, and one for a friend, no screen washers,,,,,,,,, |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Feb 19, 6:50�pm, "Rod Speed" wrote:
wrote: On Feb 19, 4:23?pm, wrote: On Feb 18, 8:23 pm, "Donna Ohl, Grady Volunteer Coordinator" wrote: I still feel badly that I didn't replace the plastic drain valve with the brass ball valve because I was afraid the plastic was not removable (that's what Sears salespeople said anyway, instilling FUD in my mind). Don't bother replacing the WH drain now. Fix the clogged dishwasher instead. Replace that factory drain valve in six months when you flush the WH for your first maintenance interval. As for that clogged dishwasher, you'll likely have to break the bricks bricking it in in order to get to the innards. Good luck. Ask questions. Take advice with a grain of salt. And post back with your results! donna is a nice new home owner. before you know it she will be like most of us long termers, doing what we must, and ignoring drain valves etc. all she needs is doing one preventive maintence job that turns a working whatever into a non functional disaster that costs a fortune to fix. i rather imagine most of us have been thru one of those. kinda like pruning a tree, having a limb fall onto the roof, while replacing �damaged shingles fall off roof, hit power line, ripping it off the side of the house. fortunately the poor fellow didnt get shocked, or seriously hurt. but the colateral costs, pay someone to finish tree trimming and clean up, pay electrician to put service back on house, losts food in fridge, power was off too long. my friend, spent nearly 2 days in hospital, sent home on crutches.missed a week work no sick time....... this happened to a guy i knew. a old neighbor decided to replace his bathroom floor. lose floorboard, ran nail into water line, flood took down kitchen cieling.. need plumber, new cieling and contracted out bathroom redo. so he decided cars would be his thing, took air cleaner off to adjust carbuerator, reved engine, air cleaner housing dropped into fan went thru radiator. tow truck, new fan, new radiator, misc repairs, had carb replaced. new DIYers be careful so we dont add your story to the list my memorable event did some plumbing, opened main valve with one connection still open to flush lines, main valve failed couldnt shut off, had to call water company who had great trouble finding main valve, as street had been raised........ could of got arrested so upset i forgot to pay for valve at hardware store, i just walked out, no register stop, the store owner who knew me thought it funny, as my shoies went squish squish waterlogged as i walked out.. just a memorable day for a home repairer. a buddy of mine in detroit was doing some wiring, turned breaker back on, all power in building went out, fact all power from detroit to new york. that big power failure from some years ago........... wasnt his fault but just imagine now that was funny!!!!! Never had even a single one of those, and I physically built the entire house.- Hide quoted text - - Show quoted text - new work is safer, you know whats there. old work is a pain cause you cant know where stuff is, like hidden water phone and electric lines |
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Quick basic advice on a dripping gas 40-gal hot-water heater
I just installed a couple dishwashers, one for us and one for a
friend, and one for a friend, no screen washers,,,,,,,,, They usually have one in the water inlet solenoid itself. Thankfully the intake plumbing on a dishwasher is really simple. Copper tubing to a compression fitting at the solenoid valve, and a hose out of that through a nozzle into the washer compartment. The recirculation plumbing that does the washing is separate and very hard to clog. |
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Quick basic advice on a dripping gas 40-gal hot-water heater
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Quick basic advice on a dripping gas 40-gal hot-water heater
Donna Ohl, Grady Volunteer Coordinator wrote:
The only good thing was you had already admonished us to have tepid water in the tank and that's what saved us from getting scalded as Bill stuck his finger in the hole (it was just the right size) to stop the leak and I bucketed the water outside. Another trick to totally avoid the plastic drain valve is to have a 3/4" pipe fitting ready that can attach to a hose, then unscrew and remove the gas valve and thermostat assembly and slide the pipe and hose in its place. |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Tue, 19 Feb 2008 17:30:23 GMT, James Sweet wrote:
The dishwasher is bricked in? Sheesh, how did they even manage that? Fortunately most things can be accessed by removing the kick plate. Hi James, I'm going to try to remove that kick plate later this week. I unclogged the shower yesterday; it was filled with sand grains: http://www.flickr.com/photos/donnaohl/2279233720/ I unclogged the kitchen sink with a scissors today. http://www.flickr.com/photos/donnaohl/2279233724/ Notice the sand grains on my cutting board. They were all over the place! This new sand does not look like the "scale" that was in the galvanized pipes! http://www.flickr.com/photos/donnaohl/2273250265/ Where did all this sand come from? Donna |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Wed, 20 Feb 2008 11:37:11 +1100, Only Just wrote:
Any good installation of an appliance like a washing machine, dishwasher etc should have a filter screen / rubber washer fitted to the hose fitting I looked underneath today. There is a hose going to the garbage disposal and another hose going to the faucet. There is a wire going to an electrical outlet. I'll look more later this week as I had to visit my grandchildren tonight and didn't get back home till late. Here is what the dishwasher looks like: http://www.flickr.com/photos/donnaohl/2279233722/ When I take the kick plate off, I'll snap a picture and show you what that "solonoid" looks like. Donna |
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Quick basic advice on a dripping gas 40-gal hot-water heater
On Tue, 19 Feb 2008 15:52:48 -0800 (PST), N8N wrote:
I still err on the side of too much PM because PM? |
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