Hi,Conflicting advice given at the big box. Can I use a compression fitting on my kitchen faucet supply line, CVPC, to compression fitting shut off valveThanks,Mike.
if you intend on having the fitting compress on to the CPVC...
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Forget the primal scream, just ROAR!!!
another NO, CVPC creep will guarantee a leak.
Ask the 'big box' guy what the modulus of CVPC vs copper is,
"she likly dunt event no whut modulus izz" ; unless she's trying for a fashion show, then pay close attention and 'google' her <G> as she explains.
Yes you can, but it needs to be of the type made for CPVC. A standard fitting, made for metal tubing, has a metal ferrule that is smooth on the inside and a nut and no other components. A fitting made for hard plastic has an o-ring, and a stainless steel gripper ring that looks like a thin toothed washer, and a nut.
Go to a real plumbing supply house that deals with CPVC and they will have the CPVC fittings that are cast into brass fittings. Just glue on this CPVC adapter and the other end is male or female brass.
Edited 8/13/2006 9:46 pm by Hiker
Get some Sharkbite fittings - http://www.cashacme.com/sharkbite.php - they push on and will work for copper, CPVC or PEX. Home Depot won't have them - find them at your local plumbing supply house or do a Google search for them at an online store. They're fast, easy to use and virtually no leaks every time.
home desperate has those...
The one in my area does not carry them yet... Surprise.
What about a threaded cpvc male fitting for the female threaded shut off valve?Mike
I generally avoid a plastic to metal connection. They always seem to cross thread or crack. That is what is so nice about these new CPVC/brass fitting. The CPVC is cast into the brass part-That is the only way I would even consider using cpvc.
The other fitting that I have seen I believe was mentioned earlier and is called shark tooth or something like that. They are pretty cool-my plumber is pretty excited about those.
Local blowes has 1/4 turn valves that are CPVC on the supply end and threaded chrome on the other. Wouldn't that solve the whole problem while reducing adapters/fittings/etc? Just glue the valve to your CPVC stub and Voila - a threaded fitting to which you can attach your hose connections?
Thanks All,Yes, the reason I didn't go for the CPVC welded valve in the first place was only because the big box only had it with 3/8. I already have 1/2 on the faucet so I guess I'll just go ahead and change out the supply lines too and then use the welded shut off valve.Mike
Agree with some of the other posts; you can use a compression fitting from cpvc to copper or cpvc to cpvc, you just have to makd sure that you have the right transition fitting. Luck.
"If all else fails, read the directions"