Can you use CPVC tor running pipe to an FDC out to a wall?
My question is specifically asking is it allowed to be used after the check valve, where it won’t be filled with water?
Just wondering about the plastic becoming brittle. The CPVC will be transitioned to steel 2-inches before a steel 90-elbow out the wall.
Thanks in advance.
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11/2/2022 08:03:25 am
Technically, yes as long as it's installed per MFG requirements however I would confirm with your local MFG rep (probably get a "not recommended" response).
11/2/2022 08:25:08 am
We've done it before on 13R systems in small buildings that only have a 2" riser and a single 2.5" FDC. It can save a lot of material and labor cost if you are faced with getting the piping through congested wood framing, especially if you need to get around multiple interior corners that can sometimes be barely accessible.
11/2/2022 08:37:45 am
Yeah you can with the caveat being to ensure its installed its listing and the manufacturer's requirements.
11/3/2022 08:19:28 am
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