Home Improvement Stack Exchange
Home Improvement Stack Exchange

Questions tagged [cpvc]

Chlorinated PolyVinyl Chloride (CPVC) is a close cousin to PVC, but it has a higher temperature tolerance, making it suitable to carry hot water. Commonly used for indoor water lines. Use with the [plumbing] and/or [pipes] tags

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A 1" T fits the pipe and a 1" valve does not, why?

Both of these are labeled 1". The T on the left fits the little bit of grey pipe. The valve on the right is too small. What am I missing?
CW Holeman II
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Why does a water line behind wall of home have capped off areas above supply area that heads out to wall?

I couldn't find an answer to this question using Google. I think it's because I am not sure how to ask the question properly. I am not a plumber but I have seen in my new construction house with cpvc and I have seen in the past the same thing done…
eaglei22
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Should drop ear elbows be used with CPVC supply lines?

When running CPVC supply lines for a sink, how should they be anchored before popping out of the drywall? I know with copper you can use drop ear elbows which are mounted to a backer But with CPVC supposedly "CPVC expands and contracts more than…
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PVC electrical conduit vs. PVC for plumbing

What's the difference between PVC electrical conduit vs. PVC plumbing? Can they be used interchangeably?
missin44
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What can be used for CPVC firestops?

What materials to people use as a firestop for where CPVC lines penetrate through the wall/fireblocking? According to the manufacturer, apparently CPVC does not play well with certain materials. "CPVC products can however be damaged by contact…
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Are water lines required to be secured to the wall at the point of exit?

There are several water supply lines made of CPVC that do not appear to be secured behind the wall at the point of exit (to supply water to a fixture). Are there any building codes regarding securing the water supply behind the wall? I'm in…
Britt
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Copper to CPVC transition fittings : allowed by code to be used inside a wall?

Does the Uniform Plumbing Code (US) allow copper-to-CPVC transition fittings to be used inside a wall? Just to be clear, I'm referring to the hybrid fittings that are part brass, part CPVC.
mrblint
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Is solvent fitted 2” pvc safe for use with drinking water?

I have a 500 gal outdoor drinking water storage barrel, that I want to attach a hydrant to (the hand operated type) Yes I know the water will need to be disinfected after pulling it from the barrel. I have a Berkey filter and a big stove for…
Kerry Thomas
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CPVC - any health concerns?

We are considering a new construction where the builder has used cpvc pipes for hot and cold water. Are there any health concerns? Internet search is mostly negative. Anyone has any thoughts or experience?
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Plumbing next to a grill

I am installing a outdoor shower on the exterior wall of my house to go with my new pool deck. I have a built-in grill that has an enclosed cabinet underneath. I have a way to run a hot water and cold water line for the shower, but I would like to…
Element Zero
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How many connections can you have off of CPVC

I am looking to add a wet bar to my bathroom and was looking to tap into my CPVC lines to provide the water. Currently there are some 1/2" lines running near where I want to go that tap off of a 3/4" trunk. Some plumbers that I had in were saying…
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Replace PVC valve cemented on a water line

I have a filtering system with a bypass and one of the valves was badly installed and it also leaks through the handle gasket. The valve is in a system that looks like this: The encircled area is where the problematic valve is. As you can see, it…
CuriousPaul
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What additional precautions should be taken with this plumbing repair?

A plumber came over for installing a wash basin on a Saturday morning. It was expected to be an hour-long job, but it turned out to be a wasted Saturday morning. I narrate the ordeal below along with the steps taken to mitigate the problem: The…
Kedar Mhaswade
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Heat Tape on Empty CPVC Pipe

I'm planning on installing heat tape on the CPVC pipe that feeds to my garden hose. It occurred to me that I or future owners may choose to turn off the water and bleed the pipe. I realize I could just unplug the heat tape but my question is is…
FreeSoftwareServers
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PVC to CPVC transition

Is it OK to solvent weld PVC to CPVC? I have a Schedule 40 PVC line outside a building and need to transition to CTS CPVC for indoor plumbing (because code). I'm wondering both from a practical (will the 'dissimilar plastics' actually fuse) and…
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