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#1
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AC ground, copper-pex
Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter.
So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard |
#2
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AC ground, copper-pex
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#4
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AC ground, copper-pex
On Wed, 30 Oct 2013 18:13:42 -0500, Gordon Shumway
wrote: On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard déjà vu Just use WD-40 and duct tape. |
#5
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Where I live, they just drive a grounding rod into the soil outside your house, connect the ground bus of the panel to that grounding rod, and that's your ground.
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#6
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AC ground, copper-pex
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#7
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AC ground, copper-pex
On 10/30/2013 6:39 PM, Nate Nagel wrote:
On 10/30/2013 06:39 PM, wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard I would assume that you would have to run a heavy gauge copper wire back to the panel ground bus. An electric WH should already be grounded however. The only thing grounded to the copper plumbing in my house (built '74) was the telephone connection and it WASN'T grounded since the only part of the plumbing system actually IN the ground was the plastic piping to the well casing.g Grounding of the electrical system was accomplished through a grounding bar sunk into the ground and tied into the meter can at the service entrance. As for your hot water heater being grounded... it is, but if properly installed, it's grounded only through the electrical service connection since the incoming cold piping and outgoing hot piping SHOULD be a dielectric fitting that isolates the hot and cold piping from ground and each other to prevent electrolysis. |
#8
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AC ground, copper-pex
On 10/30/2013 8:18 PM, wrote:
On Wed, 30 Oct 2013 18:13:42 -0500, Gordon Shumway wrote: On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard déjà vu Just use WD-40 and duct tape. Silly, everyone knows WD is a lubricant, not a conductor. However, metal foil duct tape could work. -- .. Christopher A. Young Learn about Jesus www.lds.org .. |
#9
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AC ground, copper-pex
On Thursday, October 31, 2013 5:38:16 AM UTC-4, Unquestionably Confused wrote:
On 10/30/2013 6:39 PM, Nate Nagel wrote: On 10/30/2013 06:39 PM, wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard I would assume that you would have to run a heavy gauge copper wire back to the panel ground bus. An electric WH should already be grounded however. The only thing grounded to the copper plumbing in my house (built '74) was the telephone connection and it WASN'T grounded since the only part of the plumbing system actually IN the ground was the plastic piping to the well casing.g The metal plumbing system of the house by code needs to be bonded to the electrical system ground. The telephone line installed used the metal piping of the house, which in turn is bonded/grounded back to the electrical system. That's how it should have been done, anyway, so I doubt the telehone line is not grounded. And if it isn't done as described above, it's dangerous and should be fixed. Grounding of the electrical system was accomplished through a grounding bar sunk into the ground and tied into the meter can at the service entrance. And there' no bonding over to the metal water pipes of the house? As for your hot water heater being grounded... it is, but if properly installed, it's grounded only through the electrical service connection since the incoming cold piping and outgoing hot piping SHOULD be a dielectric fitting that isolates the hot and cold piping from ground and each other to prevent electrolysis. I think whether code requires dielectric unions varies by jurisidiction. |
#10
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AC ground, copper-pex
"Stormin Mormon" wrote in message ... On 10/30/2013 8:18 PM, wrote: On Wed, 30 Oct 2013 18:13:42 -0500, Gordon Shumway wrote: On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard déjà vu Just use WD-40 and duct tape. Silly, everyone knows WD is a lubricant, not a conductor. However, metal foil duct tape could work. -- .. Christopher A. Young Learn about Jesus www.lds.org Chris... What is the AMP rating on Foil Duct tape. (grin) WW .. |
#11
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AC ground, copper-pex
Richard,
For the reason that you raise here using water pipes as a ground is not well thought of today. It may no longer be up to code where you are. You have a ground rod by your meter. Most probably that is your ground. It doesn't hurt to have the water pipes connected to the grounding system whether they are serving as a ground also, or are separated from earth by pex. Dave M. |
#12
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AC ground, copper-pex
On 10/31/2013 05:38 AM, Unquestionably Confused wrote:
On 10/30/2013 6:39 PM, Nate Nagel wrote: On 10/30/2013 06:39 PM, wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard I would assume that you would have to run a heavy gauge copper wire back to the panel ground bus. An electric WH should already be grounded however. The only thing grounded to the copper plumbing in my house (built '74) was the telephone connection and it WASN'T grounded since the only part of the plumbing system actually IN the ground was the plastic piping to the well casing.g Grounding of the electrical system was accomplished through a grounding bar sunk into the ground and tied into the meter can at the service entrance. As for your hot water heater being grounded... it is, but if properly installed, it's grounded only through the electrical service connection since the incoming cold piping and outgoing hot piping SHOULD be a dielectric fitting that isolates the hot and cold piping from ground and each other to prevent electrolysis. You're right of course, I forgot about that. But the cold would also be grounded even if it's electrically insulated from the tank. And I've even heard tell about some jurisdictions wanting the hot bonded to the cold around the heater, which seems like a good idea from an electrical safety standpoint (and probably happens anyway even without a bonding wire, at least in a house where there's a metal faucet hooked to both pipes.) nate -- replace "roosters" with "cox" to reply. http://members.cox.net/njnagel |
#13
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AC ground, copper-pex
On 10/31/2013 10:34 AM, WW wrote:
So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard déjà vu Just use WD-40 and duct tape. Silly, everyone knows WD is a lubricant, not a conductor. However, metal foil duct tape could work. Chris... What is the AMP rating on Foil Duct tape. (grin) WW Got to be good for 20 to 30 amps, if you get the good stuff. |
#14
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AC ground, copper-pex
On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote:
So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? Does the local permit office approve the use of PEX? Some places may still not have it as acceptable?! ....call your local code enforcement office. Have a list of questions ready |
#15
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AC ground, copper-pex
On Thursday, October 31, 2013 10:37:09 AM UTC-4, David L. Martel wrote:
Richard, For the reason that you raise here using water pipes as a ground is not well thought of today. As we just went through exhaustively in another thread, that isn't true. If you have an incoming metal water pipe to the house, not only is it a permissible grounding electrode, it's required to be used as one of the grounding electrodes. On the other hand, if you mean being able to use a cold water pipe at just any place in a house as a ground to tie something to, eg CATV, sat dish, etcto ground it, for new work, that I agree is not acceptable. It may no longer be up to code where you are. You have a ground rod by your meter. Most probably that is your ground. It doesn't hurt to have the water pipes connected to the grounding system whether they are serving as a ground also, or are separated from earth by pex. Dave M. Metal water pipes *must* be bonded to ground. It's not an option. |
#16
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AC ground, copper-pex
On Thursday, October 31, 2013 2:03:20 PM UTC-4, Oren wrote:
On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? Does the local permit office approve the use of PEX? Some places may still not have it as acceptable?! ...call your local code enforcement office. Have a list of questions ready I googled around a bit and it looks like this is a gray area and a call to the AHJ sounds like a good idea. If all the piping in a house is PEX, it does not appear that you have to ground the sinks, showers, etc. On the other hand, let's say you have a line that serves the upstairs of the house and you're replacing one section of that in the basement with PEX, PVC, etc. Then the plastic section needs to have a wire bond connection across it so that the upstairs section remains grounded. But what about cases that are in between? I saw one thread where a contractor said the inspector required any metal piping that exceeded 18" in length to be bonded. A call to the electrical inspector is probably the best thing, if you're knowledgable enough about how things are supposed to be grounded, bonded in general. Otherwise, I'd get an electrician in there. |
#17
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AC ground, copper-pex
On Thursday, October 31, 2013 9:37:09 AM UTC-5, David L. Martel wrote:
Richard, For the reason that you raise here using water pipes as a ground is not well thought of today. It may no longer be up to code where you are. You have a ground rod by your meter. Most probably that is your ground. It doesn't hurt to have the water pipes connected to the grounding system whether they are serving as a ground also, or are separated from earth by pex. Dave M. Dave, I failed to mention (just remembered after reading other posts) that the ground to the water heater is ran/tied into the bus bar at the breaker. The bus ground is tied into a copper ground rod. Reason I asked is I am thinking of having some of the main runs from just under the house (3/4") to some points closer to the 1/2" faucet pipes. I was thinking that PEX may be cheaper. However, I am not that comfortable in losing that secondary ground. thanks |
#18
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AC ground, copper-pex
On Thursday, October 31, 2013 11:17:52 PM UTC-4, wrote:
On Thursday, October 31, 2013 9:37:09 AM UTC-5, David L. Martel wrote: Richard, For the reason that you raise here using water pipes as a ground is not well thought of today. It may no longer be up to code where you are. You have a ground rod by your meter. Most probably that is your ground. It doesn't hurt to have the water pipes connected to the grounding system whether they are serving as a ground also, or are separated from earth by pex. Dave M. Dave, I failed to mention (just remembered after reading other posts) that the ground to the water heater is ran/tied into the bus bar at the breaker. The bus ground is tied into a copper ground rod. Reason I asked is I am thinking of having some of the main runs from just under the house (3/4") to some points closer to the 1/2" faucet pipes. I was thinking that PEX may be cheaper. However, I am not that comfortable in losing that secondary ground. thanks If I have it correct, it's not a secondary ground, whatever you mean by that. You're talking about possibly removing a section of the existing metal water pipe serving part of the house and replacing it with PEX, correct? Like replacing a section that goes to say the bathroom? If you do that you must run a bond wire to tie the sections back together again. It's not a secondary ground, it's almost always the only ground for those runs. |
#19
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AC ground, copper-pex
On Friday, November 1, 2013 10:54:36 AM UTC-4, wrote:
On Fri, 1 Nov 2013 05:44:52 -0700 (PDT), " wrote: On Thursday, October 31, 2013 11:17:52 PM UTC-4, wrote: On Thursday, October 31, 2013 9:37:09 AM UTC-5, David L. Martel wrote: Richard, For the reason that you raise here using water pipes as a ground is not well thought of today. It may no longer be up to code where you are. You have a ground rod by your meter. Most probably that is your ground. It doesn't hurt to have the water pipes connected to the grounding system whether they are serving as a ground also, or are separated from earth by pex. Dave M. Dave, I failed to mention (just remembered after reading other posts) that the ground to the water heater is ran/tied into the bus bar at the breaker. The bus ground is tied into a copper ground rod. Reason I asked is I am thinking of having some of the main runs from just under the house (3/4") to some points closer to the 1/2" faucet pipes. I was thinking that PEX may be cheaper. However, I am not that comfortable in losing that secondary ground. thanks If I have it correct, it's not a secondary ground, whatever you mean by that. You're talking about possibly removing a section of the existing metal water pipe serving part of the house and replacing it with PEX, correct? Like replacing a section that goes to say the bathroom? If you do that you must run a bond wire to tie the sections back together again. It's not a secondary ground, it's almost always the only ground for those runs. There is a bit of debate about bonding around plastic sections in interior metal piping systems among the inspector community. It is not specifically required in the code. Doesn't NEC 250.104 (A1) cover it? (A1) Metal water piping system installed in or attached to a building or structure shall be bonded to the service eqpt enclosure, the grounded conductor at the service, the grounding electrode when of sufficient size, or to one or more grounding electrodes used. I don't see how that would allow one to take out a 10 ft section of copper pipe in the basement that feeds through to other parts of the house, eg the second story bathroom, put in plastic and not bond it back together. That section going upstairs is still a metal water piping system installed in the building, no? |
#20
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AC ground, copper-pex
On Thu, 31 Oct 2013 07:31:55 -0400, Stormin Mormon
wrote: On 10/30/2013 8:18 PM, wrote: On Wed, 30 Oct 2013 18:13:42 -0500, Gordon Shumway wrote: On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard déjà vu Just use WD-40 and duct tape. Silly, everyone knows WD is a lubricant, not a conductor. No, no, no. "WD" stands for "water displacement". However, metal foil duct tape could work. Flue tape? |
#21
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AC ground, copper-pex
Trader,
Doesn't NEC 250.104 (A1) cover it? (A1) Metal water piping system installed in or attached to a building or structure shall be bonded to the service eqpt enclosure, the grounded conductor at the service, the grounding electrode when of sufficient size, or to one or more grounding electrodes used. I don't see how that would allow one to take out a 10 ft section of copper pipe in the basement that feeds through to other parts of the house, eg the second story bathroom, put in plastic and not bond it back together. That section going upstairs is still a metal water piping system installed in the building, no? The problem is that many DIY repairs (imagine a frozen, burst pipe) do not bond the pex. Such repairs are not subject to building inspectors. It's not just DIYers either. Some years ago I bought a replacement water softener from a large chain. They sent out a "professional". His van said Plumbing. When he was done I noticed that he had bonded the inlet pipe to the outlet pipe. Both pipes were pex. He and his helper didn't have a clue. The code is failing in the real world. Dave M. |
#22
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AC ground, copper-pex
On Friday, November 1, 2013 1:22:15 PM UTC-4, David L. Martel wrote:
Trader, Doesn't NEC 250.104 (A1) cover it? (A1) Metal water piping system installed in or attached to a building or structure shall be bonded to the service eqpt enclosure, the grounded conductor at the service, the grounding electrode when of sufficient size, or to one or more grounding electrodes used. I don't see how that would allow one to take out a 10 ft section of copper pipe in the basement that feeds through to other parts of the house, eg the second story bathroom, put in plastic and not bond it back together. That section going upstairs is still a metal water piping system installed in the building, no? The problem is that many DIY repairs (imagine a frozen, burst pipe) do not bond the pex. Such repairs are not subject to building inspectors. I agree with that. But gfre said: "There is a bit of debate about bonding around plastic sections in interior metal piping systems among the inspector community. It is not specifically required in the code. " That was the issue, not that homeowners are doing it without following code. I was questioning what the debate was about and cited what I think in the code says you have to bond it, so I was curious what interpretation some inspectors have that allow it. I can see if you run PEX from the basement to a bathroom, it's only convenient to get to within a few feet of the shower with PEX, so they let you leave that small remaining portion of the old meatl pipe unbonded. In that case, there is only a few feet of it, it obviously goes to the shower and it's unlikely anything else is relying on the ground. I also saw from googling somewhere that an inspector would allow 18" of metal piping to remain unbonded. Again, I get that, because at 18" it should be obvious where it goes, that nothing else is connected to it, that it's extremely unlikely to wind up energized, etc. But as I said, I don't see why an inspector would allow you to take out a 10ft section of metal pipe in an old house where it's often not clear where all the piping goes to, you can't visibly inspect it, you don't know what might have been wired to it in the past, etc. So, I think we're in agreement, it's just that if I understand it correctly, gfre is saying some inspectors are OK with not bonding across the 10 ft plastic section and I'm curious what their basis is. It's not just DIYers either. Some years ago I bought a replacement water softener from a large chain. They sent out a "professional". His van said Plumbing. When he was done I noticed that he had bonded the inlet pipe to the outlet pipe. Both pipes were pex. He and his helper didn't have a clue. That's pretty funny or pretty bad, depending on how you look at it. The code is failing in the real world. Dave M. Was it supposed to have a permit and be inspected? That would catch it, presumably, at least here in NJ. |
#23
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AC ground, copper-pex
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#24
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AC ground, copper-pex
On 11/1/2013 8:34 PM, wrote:
On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard Why would anyone replace copper pipe with PEX? Copper is the best pipe available, and should last you a lifetime. You want to replace it with that cheap plastic crap that will probably fail in 10 years. You must be an IDIOT!!!! I think you have some serious fact checking to do. As good as copper is, it is subject to corrosion and pin holing in certain soils. Ask anyone who has had to have a plumber break through the slab to repair a leak in the copper line. There were serious failures with polybutylene piping, though it was the crimp rings used that caused most of the problems. Pex seems to have become the piping of choice at this time. -- ___________________________________ Keep the whole world singing . . . Dan G remove the seven |
#25
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AC ground, copper-pex
agreed PEX is very good, easy to run, tolerant of being frozen, it just expands a bit...
' best of all no one will steal pex, since it has no scrap values.... stealing copper plumbing is a big industry nationwide....... a old friend is looking to buy a fixer upper, i have been going along with him. most homes have all the copper stolen, one home had all the metal stollen including furnace and duct work, one home had most of the alunimum siding stolen. |
#26
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AC ground, copper-pex
On Wednesday, October 30, 2013 6:39:59 PM UTC-4, wrote:
Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard if you replace the outdoor main line with pex its probably a good idea to leave the old copper line abandoned as a ground connection. if anyone replaces a section of copper with pex then its probably best to install a copper ground jumper around the pex area |
#27
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AC ground, copper-pex
And, the jumper better be something sturdier/heavier/thicker/larger diameter than an old conductor from a telephone cable.
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#28
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AC ground, copper-pex
On Sat, 02 Nov 2013 19:17:09 -0500, DanG wrote:
On 11/1/2013 8:34 PM, wrote: On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard Why would anyone replace copper pipe with PEX? Copper is the best pipe available, and should last you a lifetime. You want to replace it with that cheap plastic crap that will probably fail in 10 years. You must be an IDIOT!!!! I think you have some serious fact checking to do. As good as copper is, it is subject to corrosion and pin holing in certain soils. Ask anyone who has had to have a plumber break through the slab to repair a leak in the copper line. There were serious failures with polybutylene piping, though it was the crimp rings used that caused most of the problems. Pex seems to have become the piping of choice at this time. Not because it is good, rather because it is cheap. |
#29
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AC ground, copper-pex
On Sat, 02 Nov 2013 19:17:09 -0500, DanG wrote:
Why would anyone replace copper pipe with PEX? Copper is the best pipe available, and should last you a lifetime. You want to replace it with that cheap plastic crap that will probably fail in 10 years. You must be an IDIOT!!!! you replied to Home Guy From Canada. The same clown that thinks HVAC components in an attic are stupid. Shows what he knows. I think you have some serious fact checking to do. As good as copper is, it is subject to corrosion and pin holing in certain soils. Ask anyone who has had to have a plumber break through the slab to repair a leak in the copper line. There were serious failures with polybutylene piping, though it was the crimp rings used that caused most of the problems. Pex seems to have become the piping of choice at this time. *Some* PEX failures were from the fittings made in Canada. Kitec sp brand. To much zinc was used when fittings were made ... I think this caused corrosion and leaks at the fittings. There was a large law suit over this and homes damaged. My PEX; manifold system - single runs to each water feature has never failed. Second owner. House was first occupied Mar '97. |
#31
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AC ground, copper-pex
On Sun, 03 Nov 2013 09:23:35 -0800, Oren wrote:
On Sun, 03 Nov 2013 11:25:50 -0500, wrote: I think you have some serious fact checking to do. As good as copper is, it is subject to corrosion and pin holing in certain soils. Ask anyone who has had to have a plumber break through the slab to repair a leak in the copper line. There were serious failures with polybutylene piping, though it was the crimp rings used that caused most of the problems. Pex seems to have become the piping of choice at this time. Not because it is good, rather because it is cheap. ... Both, actually I sure don't like PEX at all. I'd *MUCH* rather have copper but this house has PVC. :-( My other house is PEX which was a PITA. Hated it. |
#32
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AC ground, copper-pex
On Sun, 03 Nov 2013 12:35:28 -0500, wrote:
My other house is PEX which was a PITA. Hated it. What was the problem? |
#33
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AC ground, copper-pex
wrote:
On Sat, 02 Nov 2013 19:17:09 -0500, DanG wrote: On 11/1/2013 8:34 PM, wrote: On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard Why would anyone replace copper pipe with PEX? Copper is the best pipe available, and should last you a lifetime. You want to replace it with that cheap plastic crap that will probably fail in 10 years. You must be an IDIOT!!!! I think you have some serious fact checking to do. As good as copper is, it is subject to corrosion and pin holing in certain soils. Ask anyone who has had to have a plumber break through the slab to repair a leak in the copper line. There were serious failures with polybutylene piping, though it was the crimp rings used that caused most of the problems. Pex seems to have become the piping of choice at this time. Not because it is good, rather because it is cheap. Hmm, Cu pipe won't last when water it carries is quite acidic. Poly. pipes are OK in colder climate. Still Cu pipe brings water upto your house. Gnd braid has to be connected there to the pipe at the entry point to your house. |
#34
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AC ground, copper-pex
On Sun, 03 Nov 2013 10:12:03 -0800, Oren wrote:
On Sun, 03 Nov 2013 12:35:28 -0500, wrote: My other house is PEX which was a PITA. Hated it. What was the problem? Slow. Impossible to add to. Difficult to work with. You name it. Crap! The manifolds were goodness but I just added a bunch of ball valves in the basement of my previous house. Copper is trivial to work with (getting ready to plumb my current house with compressed air - all copper) |
#35
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AC ground, copper-pex
On Sun, 03 Nov 2013 13:13:04 -0700, Tony Hwang
wrote: wrote: On Sat, 02 Nov 2013 19:17:09 -0500, DanG wrote: On 11/1/2013 8:34 PM, wrote: On Wed, 30 Oct 2013 15:39:59 -0700 (PDT), wrote: Just wondering for now. Have an all copper plumbing. What happen to my ground if the pipes are replaced with PEX? Have two connections that I am aware of. One to the cold water pipe at water heater. The other one is ground rod by the meter. So, what to do to the cold water ground? It is required by code here. Does that mean that PEX is not feasible? thanks richard Why would anyone replace copper pipe with PEX? Copper is the best pipe available, and should last you a lifetime. You want to replace it with that cheap plastic crap that will probably fail in 10 years. You must be an IDIOT!!!! I think you have some serious fact checking to do. As good as copper is, it is subject to corrosion and pin holing in certain soils. Ask anyone who has had to have a plumber break through the slab to repair a leak in the copper line. There were serious failures with polybutylene piping, though it was the crimp rings used that caused most of the problems. Pex seems to have become the piping of choice at this time. Not because it is good, rather because it is cheap. Hmm, Cu pipe won't last when water it carries is quite acidic. Don't do that. Poly. pipes are OK in colder climate. Georgia isn't exactly cold. Still Cu pipe brings water upto your house. Wrong. Gnd braid has to be connected there to the pipe at the entry point to your house. What *are* you talking about? |
#36
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AC ground, copper-pex
On Sun, 03 Nov 2013 17:28:58 -0500, wrote:
On Sun, 03 Nov 2013 10:12:03 -0800, Oren wrote: On Sun, 03 Nov 2013 12:35:28 -0500, wrote: My other house is PEX which was a PITA. Hated it. What was the problem? Slow. Impossible to add to. Difficult to work with. You name it. Crap! The manifolds were goodness but I just added a bunch of ball valves in the basement of my previous house. Copper is trivial to work with (getting ready to plumb my current house with compressed air - all copper) Maybe you have not seen a quality installed PEX system in a house. PEX is trivial next to copper. neener neener |
#37
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AC ground, copper-pex
On Sun, 03 Nov 2013 15:18:26 -0800, Oren wrote:
On Sun, 03 Nov 2013 17:28:58 -0500, wrote: On Sun, 03 Nov 2013 10:12:03 -0800, Oren wrote: On Sun, 03 Nov 2013 12:35:28 -0500, wrote: My other house is PEX which was a PITA. Hated it. What was the problem? Slow. Impossible to add to. Difficult to work with. You name it. Crap! The manifolds were goodness but I just added a bunch of ball valves in the basement of my previous house. Copper is trivial to work with (getting ready to plumb my current house with compressed air - all copper) Maybe you have not seen a quality installed PEX system in a house. PEX is trivial next to copper. Don't believe it. My experience tells me PEX is junk. I'd never have it again. No pressure and a PITA to work with in existing installations. It may be cheap and easy to install but it's a PITA to work on. Monkeys can do copper supply lines. Waste is more difficult but not as difficult as paying for it. ;-) neener neener |
#38
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AC ground, copper-pex
Oren wrote:
On Sun, 03 Nov 2013 17:28:58 -0500, wrote: On Sun, 03 Nov 2013 10:12:03 -0800, Oren wrote: On Sun, 03 Nov 2013 12:35:28 -0500, wrote: My other house is PEX which was a PITA. Hated it. What was the problem? Slow. Impossible to add to. Difficult to work with. You name it. Crap! The manifolds were goodness but I just added a bunch of ball valves in the basement of my previous house. Copper is trivial to work with (getting ready to plumb my current house with compressed air - all copper) Maybe you have not seen a quality installed PEX system in a house. PEX is trivial next to copper. neener neener Hi, Hear, hear. I have limited experience using PEX but I did feel anything different. Good cutter and crimper and make sure it is straight not trying to coil up. In-floor heating with PEX is real nice. Golf course in front of my house use PEX in ground around holes piping hot water in early spring to promote grass growth. My BIL designed some of those on golf courses around here. |
#39
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AC ground, copper-pex
On 11/3/13 12:22 PM, Oren wrote:
My PEX; manifold system - single runs to each water feature has never failed. Second owner. House was first occupied Mar '97. Just wondering... Considering the claims that PEX "doesn't have enough [water] pressure"... Is there a gpm limit (or some other kind of measurement) when PEX is used (vis-a-vis copper)? Will one end up with a whole house that behaves like a 2.5gpm shower head? |
#40
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AC ground, copper-pex
On Monday, November 4, 2013 12:26:56 AM UTC-5, John Albert wrote:
On 11/3/13 12:22 PM, Oren wrote: My PEX; manifold system - single runs to each water feature has never failed. Second owner. House was first occupied Mar '97. Just wondering... Considering the claims that PEX "doesn't have enough [water] pressure"... Is there a gpm limit (or some other kind of measurement) when PEX is used (vis-a-vis copper)? Will one end up with a whole house that behaves like a 2.5gpm shower head? I'd be curious to know more about the claimed pressure issue too. The inside diameter of the pipe is all that should really matter. Replace a 3/4" copper pipe with 3/4" PEX and I would think they would be close. I would think PEX might be a little less because being more flexible, the pipe profile might not be perfectly round. But this is the first time I've heard of there being a noticeable, real world issue with it. In fact, I thought that with the way PEX is typically installed, ie central manifold with homeruns to various locations, it was actually better with regard to good pressure, flow rates at the various end points. |
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