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Old 03-27-2015, 11:25 PM   #16
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I was recently in a boxstore in another state and they did not carry pex, but had cpvc.
New homes there were also plumbed with cpvc.
However, do not use pvc inside the home for water piping. I do not know of any area/code that allows it
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Old 03-27-2015, 11:52 PM   #17
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However, do not use pvc inside the home for water piping. I do not know of any area/code that allows it
What? I mean...what? I dont know if I am not fulling following this. just...what?
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Old 03-28-2015, 07:35 AM   #18
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Is PEX more expensive and are special tools/skills needed to work with it? Is PEX available in big box stores now?

Thank you all for the advice and help!
My local Home Depot carries PEX and all the fittings and tools needed for it. When I built my house six years ago, I chose to go with CPVC. Back then (and maybe even now) I could buy all of it I needed for less than the cost of a PEX crimping tool.

One thing I did not do was use CPVC valves. As noted earlier, they tend to bind up or fail if used a lot. Though they cost more, full-port brass ball valves are the way to go.
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Old 03-28-2015, 08:40 AM   #19
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What? I mean...what? I dont know if I am not fulling following this. just...what?
UPC does not approve PVC for potable water inside a building. I doubt other plumbing codes do either
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Old 03-28-2015, 08:55 AM   #20
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Hick, I think you may want to Google the difference between pvc and cpvc. They are used for two separate purposes. That may help to clarify your confusion.
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Old 03-28-2015, 11:11 AM   #21
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UPC does not approve PVC for potable water inside a building. I doubt other plumbing codes do either
Pvc pipe is not approved in IPC for interior water.
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Old 03-28-2015, 11:13 AM   #22
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you CAN use CPVC for cold water, however you cannot use PVC for hot water, needs to be CPVC. For cold water you can use either but hot must be CPVC, most however will use pvc for cold so that others can easily distinguish between hot & cold water.

You might want to check & be 100% certain that the water flowing through the pipe is indeed cold water, easiest way to do that would be turn on the hot water faucets in your house(preferably the one your current pipe is feeding into, let em run for 5 mins then feel the pipe & see if it is warm or hot to the touch.

but yes, pvc & CPVC along with all fittings & glue should be available at your local big box store. PEX, I am unsure. I have yet to see any PEX pipe at my local big box stores, only if I go to special plumbing supply warehouses.
Pvc is not approved for piping on any water distribution piping cold or hot.

CPVC is approved and has Chlorine resistance.
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Old 03-28-2015, 11:30 AM   #23
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pvc is not approved for interior under any code that i know of ...must be cpvc....
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Old 03-28-2015, 11:43 AM   #24
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Make the switch to pex. You will be happy you did. The tool cost has come down to around $50. With pex you can have longer runs with less fittings which means less potential for a leaks. The skill level required to run pex is simpler than cutting and glueing.
Over the years when doing a large project, I would buy one new tool that I absolutely had to have!
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Old 03-28-2015, 11:09 PM   #25
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sorry. I found my confusion. PVC is just fine up to the house for potable water but once it actually enters the home it is not allowed. I really dont understand why though. Can anyone explain this to me how pvc is allowed up to the home but once it crosses the magical barrier into the home it is some how wrong? Would love clarification please.
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Old 03-29-2015, 08:03 AM   #26
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Iam thinking your confused about pvc pipe...pvc is not approved for potable water inside or outside as far as i know...if you have plastic piping for your main my guess it is not pvc..but an approved material ..check with your water company.. that will settle your concerns...
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Old 03-29-2015, 08:05 AM   #27
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sorry. I found my confusion. PVC is just fine up to the house for potable water but once it actually enters the home it is not allowed. I really dont understand why though. Can anyone explain this to me how pvc is allowed up to the home but once it crosses the magical barrier into the home it is some how wrong? Would love clarification please.
no it is not sorry thers is confusion on your part still
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Old 03-29-2015, 09:40 AM   #28
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no it is not sorry thers is confusion on your part still
Ben, in my area PVC is allowed for potable water outside the structure's footprint.
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Old 03-29-2015, 10:23 AM   #29
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My area the waterline coming into the house is copper to the meter, after the meter it is either copper, cpvc or pex. Waste water, drains, etc..... Is pvc in and out of the house
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Old 03-29-2015, 12:23 PM   #30
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Ben, in my area PVC is allowed for potable water outside the structure's footprint.
wow really ..I can't recall any place in my area that allowes pvc for potable water..if it is allowed outside..iam with others why not inside..that seems dumb...Iam going to do some research...never to old to learn
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