Alright so I have a question on a basic plumbing issue. I am about to connect some copper to pvc and I could only find male pvc and female copper. All of the stuff i have seen suggests female pvc and male copper this is for shut off valves and high pressure laundry shut-0offs a couple of plumbers have told me it doesn't mater as long as your are using fip/fpt and mip/mpt (no compresion theaded stuff). Any plumbers out there have a different opinion?
__________________ We hang the petty thieves and appoint the great ones to public office. -Aesop
Hello, I'm a plumber by trade, been for 16 yrs. It seems the best way to transition from copper to pvc or vice-versa is with a copper fip adapter to a sch 80 nipple (gray) because of the strength of the nipple. Most transition breaks seem to be a broken male adapter or a split female adapter. At least that's been my expierence. I know of several companies here in town that do it that way also. Hope all goes well.
Probably a stupid question but nothing special about bonding 40 to 80, same stuff same process...
update
Anyhow I have been working about 20 hours a day so today when I was getting the stuff I called the wife and said hey look at the pipes and tell me if they are sch 40 or cpvc. She said sch 40. I was just getting ready to start assembly and what do you know she was reading me the DWV pipes not the PW pipes so anyhow I have CPVC, I guess this is why you save receipts. Back to the hardware store tomorrow.
__________________ We hang the petty thieves and appoint the great ones to public office. -Aesop
In My years of plumbing experience I would say stay away from PVC especially in a high pressure and hot environment areas and stay strictly with sweat Copper and Brass Valves. PVC will fail , glue joints will fail in 10 years or less ,and PVC will warp and expand and leak especially if around high heat and vibration, but most copper is good for 25-50 years...
There is some new stuff on the market that is better than the Quest pipe that was popular 10-15 years ago and it uses plastic fittings with push -in pipe connections that is supposed to handle any domestic hot and Cold water supply and pressure , and it is better than white PVC , and fittings thread right on Copper MPT fittings or Steel fittings ( with teflon Tape!), with valves and elbows and connectors of all types available for those" Hard to install /Non standard " plumbing Jobs...
Rich
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Aggreed, PVC is not my first choice, either. Depends on the size, if it's underground, and how big of a job it is. But you're right, copper or pex pipes are the way to go.
The whole house is CPVC already which is actually a big step up for PVC. It does much better with hot and cold and is far more flexible. I redid my old house in copper from galv and can sweat pipe but given the amount of time I have right now on my hands I need to do a quick and code repair which would be cpvc. Thanks for the input guys I made sure all my metal to cpvc connections were male cpvc to FIP metal. I will update you guys once the job is done. One annoying thing about cpvc and pvc is you have to wait 2 hours to pressureize it
__________________ We hang the petty thieves and appoint the great ones to public office. -Aesop
Back to the hardware store tomorrow.
