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  1. #1
    Join Date
    Jan 2011

    Default Copper through joists.

    I have a baseboard hot water/boiler heating system in my house. There is a section of copper / heatfins that come down that I want to remove. It is 3/4" copper.

    To do this, I would like to run the copper perpendicularly through the joists. My question would be the best way to do that.

    Could I use flexible PEX and sharkbite it to the copper? Would the hot water compromise the fortitude of the PEX?

    My initial though was to sweat several 20" pieces which I really, really do not want to do.

    I could also run this underneath the joists, up against the wall, and notch the upper corner of the framing that will go in.

    Thanks for the help!

  2. #2
    Join Date
    Feb 2010

    Default Re: Copper through joists.

    Sharkbites are sealed with O rings that will not hold up to the water temperature used for hot water baseboard systems. You can use Pex that is designed for hot water heat and use a Pex male with copper female to change over.

    Last edited by johnjh2o; 03-23-2011 at 07:19 AM.

  3. #3
    Join Date
    Jul 2010

    Default Re: Copper through joists.

    If you opt to run a new copper pipe under the joists, double check the notching code in your city so you don't overcut them.

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