We used PexA or expandion pex for all of the supply lines in our house. the fityings snd pioe themselves are slightly more expensive then using normal pex, but I think yhe end product will be alot better.

Leave any questions you have in the comments and I'll answer them the best I can.

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Here is a link to the code reference book we have been using:

https://www.amazon.com/dp/1337271470/...