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Author Topic: pex to copper question  (Read 1894 times)

tinfoilhat2020

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pex to copper question
« on: January 06, 2016, 03:58:01 AM »
i have standard 1 inch pex running from boiler to house. This Spring I want to clean up the inside plumbing as it runs from one side f my garage and under my house. would it be ok to go from 1 inch pex to 1 inch copper? I the ID on the two are different...or, should i just go down to 3/4 copper???? i believe they are close to the same ID.
there is a sale on copper pipe at a store in my area.....i might just buy now while its cheap.
THANKS
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Chas

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Re: pex to copper question
« Reply #1 on: January 06, 2016, 04:19:59 AM »
I went from 1"pex to 1" copper. I wouldn't go to 3/4" if I were you. With the added flow resistance that copper 90's give, stay big, 3/4" is just going to make it worse.
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mlappin

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Re: pex to copper question
« Reply #2 on: January 06, 2016, 04:52:27 AM »
Definitely goto the 1” copper. If in the future you need more heat and change your underground line to a larger size then your already good in the house.
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tinfoilhat2020

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Re: pex to copper question
« Reply #3 on: January 06, 2016, 04:59:41 AM »
makes sense....thanks guys. I didnt know it changing pipe ID on the same run would mess up flow in anyway.
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