copper to cpvc

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Old 12-23-02, 09:37 PM
brodie
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copper to cpvc

I am building a bathroom in my basement. The builders used copper water pipes and I would like to go the easier route of cpvc. I don't know how tight the compression transition fitting should be on the copper.
 
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Old 12-23-02, 10:19 PM
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You can adapt from cpvc to copper via two types of adaptors, one adaptor screws onto a copper male fitting looks kinda like this one


The other one screws into a copper female adaptor looks kinda like this one


These are called cpvc x threaded brass adaptors.

You will need to sweat on either male or female copper fittings for the transitions.
 
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Old 12-24-02, 05:06 AM
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Cool

Here is an illustrated article on CPVC plumbing from Reader's Digest "The Family Handyman" magazine that might help you: http://www.familyhandyman.com/200007/cpvc/main.html
Good Luck!
Mike
 
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Old 12-24-02, 06:08 AM
J
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Use the male cpvc and female copper setup. It is a better arrangemnt. With the female cpvc you can easily over tighten and split the cpvc fitting.
 
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Old 12-24-02, 08:35 AM
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joed,

Those adaptor I show, the female and male ends are brass threads. So either or will work.
 
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Old 12-25-02, 10:38 AM
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There is also a very usefull transition union that you solder to the copper side and glue to the cpvc side and it has a union nut and washer to seal the connection. It can be taken apart anytime to drain the pipes if necesary.
 
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Old 12-27-02, 09:03 AM
brodie
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piping done thanks

thanks for all the info. i'm new to the forum so i don't know if this is the proper way to make thanks. the transition piece with brass fitting and cpvc female fitting worked out well for me. no leaks and the sweating 2 joints was much easier than 30!

thanks again to all of you.
 
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