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#1
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On gas water heaters
A buddy of mine asked this question and since my b-i-l the plumber is
traveling this week, I thought I'd ask youse people. His kid is going away over the holidays and wants to turn off the water to the water heater. There is no indication of failure, but he still doesn't entirely trust it. Because it is one where you have to physically relight to pilot using a match or lighter, the kid doesn't want to turn off the pilot. So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Thanks. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." ---PJ O'Rourke |
#2
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On gas water heaters
In article ,
Kurt Ullman wrote: A buddy of mine asked this question and since my b-i-l the plumber is traveling this week, I thought I'd ask youse people. His kid is going away over the holidays and wants to turn off the water to the water heater. There is no indication of failure, but he still doesn't entirely trust it. Because it is one where you have to physically relight to pilot using a match or lighter, the kid doesn't want to turn off the pilot. So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Thanks. If he's going away on holiday, he could move the gas switch to the PILOT position, so the burner won't be cycling on and off. Save some gas that way and forestall any problems that could theoretically arise. |
#3
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On gas water heaters
On Wed, 01 Dec 2010 12:42:17 -0500, Kurt Ullman
wrote: So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Yes. If the WH does leak, including via a leaking hot water faucet, and empties, the flame could damage the WH. This is a near certainty with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. If he closes both and leaves the flame on, I think there's a high likelihood that the pressure relief valve will trip, discharging water wherever it does. Also won't save any energy. I believe that most gas WHs have a "pilot" setting, which keeps the pilot lit but does not allow the main flame to ignite. Same as most gas space heaters. May even be required. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. Edward |
#4
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On gas water heaters
On Dec 1, 11:42*am, Kurt Ullman wrote:
A buddy of mine asked this question and since my b-i-l the plumber is traveling this week, I thought I'd ask youse people. * * *His kid is going away over the holidays and wants to turn off the water to the water heater. There is no indication of failure, but he still doesn't entirely trust it. *Because it is one where you have to physically relight to pilot using a match or lighter, the kid doesn't want to turn off the pilot. So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? * * *Thanks. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Better is closing the water main, leaks can occur anywhere. My neighbor went away 2 days, the toilet on the second floor cracked, Walls and ceilings were canvas on plaster, floors and furniture were ruined. Turning down the water heater might save .50c a day |
#5
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On gas water heaters
In article ,
Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. As I said, energy isn't the concern, it is more flooding. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." ---PJ O'Rourke |
#6
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On gas water heaters
On Dec 1, 11:02*am, Edward Reid
wrote: On Wed, 01 Dec 2010 12:42:17 -0500, Kurt Ullman wrote: So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Yes. If the WH does leak, including via a leaking hot water faucet, and empties, the flame could damage the WH. This is a near certainty with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. If he closes both and leaves the flame on, I think there's a high likelihood that the pressure relief valve will trip, discharging water wherever it does. Also won't save any energy. I believe that most gas WHs have a "pilot" setting, which keeps the pilot lit but does not allow the main flame to ignite. Same as most gas space heaters. May even be required. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. Edward It can't leak out of a hot water faucet...because there would be no pressure. |
#7
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On gas water heaters
Edward Reid wrote in
: On Wed, 01 Dec 2010 12:42:17 -0500, Kurt Ullman wrote: So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Yes. If the WH does leak, including via a leaking hot water faucet, and empties, the flame could damage the WH. Wouldn't want to damage a leaking WH. This is a near certainty with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. If he closes both and leaves the flame on, I think there's a high likelihood that the pressure relief valve will trip, discharging water wherever it does. Also won't save any energy. I believe that most gas WHs have a "pilot" setting, which keeps the pilot lit but does not allow the main flame to ignite. Same as most gas space heaters. May even be required. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. Edward |
#8
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On gas water heaters
On Dec 1, 1:27*pm, Kurt Ullman wrote:
In article , *Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. * * *The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. * * As I said, energy isn't the concern, it is more flooding. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. * *Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Then turn off the main supply valve from the service line. Probably in a closet somewhere. If he can't find it there should be a ball valve atthe meter as well. |
#9
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On gas water heaters
On Dec 1, 2:28*pm, jamesgangnc wrote:
On Dec 1, 1:27*pm, Kurt Ullman wrote: In article , *Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. * * *The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. * * As I said, energy isn't the concern, it is more flooding. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. * *Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Then turn off the main supply valve from the service line. *Probably in a closet somewhere. * If he can't find it there should be a ball valve atthe meter as well. That's part of my 'going on vacation' ritual - set up the lamp timers, turn down the thermostat, turn off the water. |
#10
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On gas water heaters
On Dec 1, 2:54*pm, schmidtd wrote:
On Dec 1, 2:28*pm, jamesgangnc wrote: On Dec 1, 1:27*pm, Kurt Ullman wrote: In article , *Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. * * *The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. * * As I said, energy isn't the concern, it is more flooding. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. * *Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Then turn off the main supply valve from the service line. *Probably in a closet somewhere. * If he can't find it there should be a ball valve atthe meter as well. That's part of my 'going on vacation' ritual - set up the lamp timers, turn down the thermostat, turn off the water.- Hide quoted text - - Show quoted text - Pretty smart ritual. |
#11
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On gas water heaters
"Kurt Ullman" wrote in message ... A buddy of mine asked this question and since my b-i-l the plumber is traveling this week, I thought I'd ask youse people. His kid is going away over the holidays and wants to turn off the water to the water heater. There is no indication of failure, but he still doesn't entirely trust it. Because it is one where you have to physically relight to pilot using a match or lighter, the kid doesn't want to turn off the pilot. So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Thanks. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." ---PJ O'Rourke My tank has a "vacation" mode, just above pilot. |
#12
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On gas water heaters
On Wed, 01 Dec 2010 13:02:09 -0500, Edward Reid
wrote: On Wed, 01 Dec 2010 12:42:17 -0500, Kurt Ullman wrote: So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Yes. If the WH does leak, including via a leaking hot water faucet, and empties, the flame could damage the WH. This is a near certainty with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. If he closes both and leaves the flame on, I think there's a high likelihood that the pressure relief valve will trip, discharging water wherever it does. Also won't save any energy. I believe that most gas WHs have a "pilot" setting, which keeps the pilot lit but does not allow the main flame to ignite. Same as most gas space heaters. May even be required. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. Edward The question was not about turning off the HEAT - just the pilot. Put the control on PILOT and shut off the water - no problem. If the heater leaks it will drown the pilot, but so what? |
#13
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On gas water heaters
"Kurt Ullman" wrote in message ... A buddy of mine asked this question and since my b-i-l the plumber is traveling this week, I thought I'd ask youse people. His kid is going away over the holidays and wants to turn off the water to the water heater. There is no indication of failure, but he still doesn't entirely trust it. Because it is one where you have to physically relight to pilot using a match or lighter, the kid doesn't want to turn off the pilot. So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Thanks. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." ---PJ O'Rourke What I do every time I will be away for more than one night is turn the water off at the main and turn the water heater to the pilot setting. For a 50 gallon heater I have about an hours recovery time when I come home. -- Colbyt Please come visit http://www.househomerepair.com |
#14
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On gas water heaters
What I do when leaving for an extended trip..my new (gas) heater (installed
this week) has a vacation mode on the dial switch...however I will still turn the dial to the pilot position, this will keep my tank warm (even water) and help eliminate moisture internally which will eventually lead to corrosion. my opinion turn to pilot New tank is cool even has an electric lighter "Red Green" wrote in message ... Edward Reid wrote in : On Wed, 01 Dec 2010 12:42:17 -0500, Kurt Ullman wrote: So... any particular reason you shouldn't turn off the water to the heater if you are not also going to turn off the pilot? Yes. If the WH does leak, including via a leaking hot water faucet, and empties, the flame could damage the WH. Wouldn't want to damage a leaking WH. This is a near certainty with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. If he closes both and leaves the flame on, I think there's a high likelihood that the pressure relief valve will trip, discharging water wherever it does. Also won't save any energy. I believe that most gas WHs have a "pilot" setting, which keeps the pilot lit but does not allow the main flame to ignite. Same as most gas space heaters. May even be required. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. Edward |
#15
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On gas water heaters
Hope it's not "cool"...you need it to work!
(and by electric...do you mean piezo?) |
#16
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On gas water heaters
"Kurt Ullman" wrote in message ... A buddy of mine asked this question and since my b-i-l the plumber is traveling this week, I thought I'd ask youse people. His kid is going away over the holidays and wants to turn off the water to the water heater. There is no indication of failure, but he still doesn't entirely trust it. Because it is one where you have to physically relight to pilot using a match or lighter, the kid doesn't want to turn off the pilot. The "kid" should just get a long lighter and learn how to re-light the W/H. Until those "long lighters" became a dollar $tore item, I had acually gone so far as to use a LPG torch to light a W/H. But those dollar $tore lighters are so cheap that you can just keep one permanent next to any gas appliance with a standing pilot. Using a match was definitely a PITA. If you worry about losing it, just take a long piece of string and tie it to the W/H. |
#17
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On gas water heaters
Kurt: I'm agreeing with the others, that it's good to turn the main
red knob to vacation setting. Typically on the WH I've seen, the knob on the side is for temperature setting. It's also OK to turn the smaller knob on top of the gas valve to "pilot" which will prevent the burner from coming on, at all. Either is good, it's unlikely that either will give you any trouble. As the water, I'd reccomend to turn off the main water valve, and open all the faucets. Drain as much as you can, out of the pipes. In case the furnace goes. Jimmy -- in my part of the world, the electric goes out once a year or so. My WH needs no electric. So, I have hot water even when the home is freezing butt cold. I really value a hot shower, when the house is freezing butt cold. -- Christopher A. Young Learn more about Jesus www.lds.org .. "jimmy" wrote in message ... What I do when leaving for an extended trip..my new (gas) heater (installed this week) has a vacation mode on the dial switch...however I will still turn the dial to the pilot position, this will keep my tank warm (even water) and help eliminate moisture internally which will eventually lead to corrosion. my opinion turn to pilot New tank is cool even has an electric lighter |
#18
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On gas water heaters
I actually prefer "self lighting" propane or mapp for WH lighting. Hot
and fast, just like I like my.... water heaters. What did you think I was going to write? -- Christopher A. Young Learn more about Jesus www.lds.org .. "John Gilmer" wrote in message net... The "kid" should just get a long lighter and learn how to re-light the W/H. Until those "long lighters" became a dollar $tore item, I had acually gone so far as to use a LPG torch to light a W/H. But those dollar $tore lighters are so cheap that you can just keep one permanent next to any gas appliance with a standing pilot. Using a match was definitely a PITA. If you worry about losing it, just take a long piece of string and tie it to the W/H. |
#19
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On gas water heaters
On Thu, 2 Dec 2010 19:23:58 -0500, "John Gilmer"
wrote: "Kurt Ullman" wrote in message ... A buddy of mine asked this question and since my b-i-l the plumber is traveling this week, I thought I'd ask youse people. His kid is going away over the holidays and wants to turn off the water to the water heater. There is no indication of failure, but he still doesn't entirely trust it. Because it is one where you have to physically relight to pilot using a match or lighter, the kid doesn't want to turn off the pilot. The "kid" should just get a long lighter and learn how to re-light the W/H. Until those "long lighters" became a dollar $tore item, I had acually gone so far as to use a LPG torch to light a W/H. But those dollar $tore lighters are so cheap that you can just keep one permanent next to any gas appliance with a standing pilot. Using a match was definitely a PITA. If you worry about losing it, just take a long piece of string and tie it to the W/H. Those foot-long fireplace matches work reasonably well, but the gas match is sure simpler - and they don't go bad from absorbing moisture. |
#20
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On gas water heaters
On Dec 1, 2:28*pm, jamesgangnc wrote:
On Dec 1, 1:27*pm, Kurt Ullman wrote: In article , *Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. * * *The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. * * As I said, energy isn't the concern, it is more flooding. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. * *Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Then turn off the main supply valve from the service line. *Probably in a closet somewhere. * If he can't find it there should be a ball valve atthe meter as well.- Hide quoted text - - Show quoted text - How does that help in terms of getting to the water heater to re-light it? Plus, he then has to re-light anything else with a pilot. Every gas water heater I've ever seen has a pilot light position on the gas control. That gas control knob is a lot easier to get to than to re-light the pilot, so hoperfully he can get to it. If he can't we'd have to wonder how the thing is installed or if there's a ton of crap blocking it. |
#21
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On gas water heaters
On Dec 3, 8:19*am, wrote:
On Dec 1, 2:28*pm, jamesgangnc wrote: On Dec 1, 1:27*pm, Kurt Ullman wrote: In article , *Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. * * *The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. * * As I said, energy isn't the concern, it is more flooding. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. * *Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Then turn off the main supply valve from the service line. *Probably in a closet somewhere. * If he can't find it there should be a ball valve atthe meter as well.- Hide quoted text - - Show quoted text - How does that help in terms of getting to the water heater to re-light it? * Plus, he then has to re-light anything else with a pilot. Every gas water heater I've ever seen has a pilot light position on the gas control. * That gas control knob is a lot easier to get to than to re-light the pilot, so hoperfully he can get to it. * If he can't we'd have to wonder how the thing is installed or if there's a ton of crap blocking it.- Hide quoted text - - Show quoted text - Talking about turning off the water supply, not the gas. He's worried about a leak flooding the house because no one is home to notice it. Frankly that's unavoidable though a multi-day leak is probably the worst. Most houses are unoccupied for hours at a time. A big leak can cause a lot of damage in a couple hours. |
#22
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On gas water heaters
On Dec 3, 8:39*am, jamesgangnc wrote:
On Dec 3, 8:19*am, wrote: On Dec 1, 2:28*pm, jamesgangnc wrote: On Dec 1, 1:27*pm, Kurt Ullman wrote: In article , *Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. * * *The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. * * As I said, energy isn't the concern, it is more flooding. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. * *Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Then turn off the main supply valve from the service line. *Probably in a closet somewhere. * If he can't find it there should be a ball valve atthe meter as well.- Hide quoted text - - Show quoted text - How does that help in terms of getting to the water heater to re-light it? * Plus, he then has to re-light anything else with a pilot. Every gas water heater I've ever seen has a pilot light position on the gas control. * That gas control knob is a lot easier to get to than to re-light the pilot, so hoperfully he can get to it. * If he can't we'd have to wonder how the thing is installed or if there's a ton of crap blocking it.- Hide quoted text - - Show quoted text - Talking about turning off the water supply, not the gas. *He's worried about a leak flooding the house because no one is home to notice it. Frankly that's unavoidable though a multi-day leak is probably the worst. *Most houses are unoccupied for hours at a time. *A big leak can cause a lot of damage in a couple hours.- Hide quoted text - - Show quoted text - I'm not so sure I'd turn off the water without turning the water heater to pilot. If he does that then he needs to leave a hot water faucet open to allow for pressure relief and avoid tripping the TPR valve. And then he's relying solely on the final failsafe mechanism in the gas valve to shutoff the gas in the event that the water heater does spring a leak and the water runs out. |
#23
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On gas water heaters
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#24
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On gas water heaters
On Dec 3, 2:09*pm, wrote:
On Fri, 3 Dec 2010 05:50:36 -0800 (PST), wrote: On Dec 3, 8:39*am, jamesgangnc wrote: On Dec 3, 8:19*am, wrote: On Dec 1, 2:28*pm, jamesgangnc wrote: On Dec 1, 1:27*pm, Kurt Ullman wrote: In article , *Edward Reid wrote: with electric WHs, not sure how likely with gas. You don't indicate whether the kid was planning to turn off the inlet, the outlet, or both -- if he doesn't know how to relight a pilot, perhaps he doesn't even know which valve is which. * * *The inlet valve. It is on the second floor of the house and he is concerned about it breaking and flooding the house before anyone notices it. It sits in a pan that supposedly drains to the outside, but he doesn't entirely trust that, either. He knows how, it is just sandwiched near the washer in a small area and is really hard to get to. He just doesn't want to. Also won't save any energy. * * As I said, energy isn't the concern, it is more flooding.. If the kid doesn't know how to relight the pilot, he should not fool with the WH. If he doesn't trust the WH, he should call the landlord. * *Owns the house. -- "Even I realized that money was to politicians what the ecalyptus tree is to koala bears: food, water, shelter and something to crap on." *---PJ O'Rourke Then turn off the main supply valve from the service line. *Probably in a closet somewhere. * If he can't find it there should be a ball valve atthe meter as well.- Hide quoted text - - Show quoted text - How does that help in terms of getting to the water heater to re-light it? * Plus, he then has to re-light anything else with a pilot. Every gas water heater I've ever seen has a pilot light position on the gas control. * That gas control knob is a lot easier to get to than to re-light the pilot, so hoperfully he can get to it. * If he can't we'd have to wonder how the thing is installed or if there's a ton of crap blocking it.- Hide quoted text - - Show quoted text - Talking about turning off the water supply, not the gas. *He's worried about a leak flooding the house because no one is home to notice it. Frankly that's unavoidable though a multi-day leak is probably the worst. *Most houses are unoccupied for hours at a time. *A big leak can cause a lot of damage in a couple hours.- Hide quoted text - - Show quoted text - I'm not so sure I'd turn off the water without turning the water heater to pilot. *If he does that then he needs to leave a hot water faucet open to allow for pressure relief and avoid tripping the TPR valve. * And then he's relying solely on the final failsafe mechanism in the gas valve to shutoff the gas in the event that the water heater does spring a leak and the water runs out. *The pilot will not provide enough heat to cause any pressure/temp relief to open. Who ever said that it did? Not me. I said if he chose to follow the previous posters advice, which was to turn off the main water supply to the house and NOT touch the water heater, then he should make sure to open a hot water faucet. Leaving it on VACATION should not be a serious issue either if the water is hot when he shuts off the water. To be safe, just crack the highest water tap in the house *enough to cause a drip - hot or cold doesn't matter. It won't drip unless the pressure builds, and will not fill the pipes with air which will make them hammer like crazy when the water is turned back on.- Hide quoted text - - Show quoted text - If it were me, I would never leave a water heater in a mode where it's going to be firing up at all with the water supply turned off. |
#25
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On gas water heaters
On Fri, 3 Dec 2010 05:39:14 -0800 (PST), jamesgangnc
wrote: Talking about turning off the water supply, not the gas. He's worried about a leak flooding the house because no one is home to notice it. Frankly that's unavoidable though a multi-day leak is probably the worst. Most houses are unoccupied for hours at a time. A big leak can cause a lot of damage in a couple hours. Reminds me of a recent discussion here about basement floor drains. Houses on slabs usually don't have them. A buddy had all kinds of damage done to laminate wood floors, carpeting and even drywall when a dishwasher supply came loose when he and his wife were at work. Even a basement floor drain won't help a dishwasher in the kitchen. That and the toilet are the ones with flex fittings and attention should be paid that were done well. I had a washer hose pop in the basement but there was no damage done because the water went down the floor drain. Makes me think I'll just shut off the main next time I go on vacation. Put the water heater on pilot or just shut the gas main too. --Vic |
#26
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On gas water heaters
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