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hot water gas pipe size

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  1. #1
    Join Date
    Nov 2012

    Default hot water gas pipe size

    Hi guys I am thinking of changing my old gas tank hot water system to a instant system do I need to upgrade the size of the gas pipe.

  2. #2
    1K Club Member Godzilla73's Avatar
    Join Date
    Dec 2010

    Default hot water gas pipe size

    Minimum 3/4 from meter to unit I was told when I wanted to do mine. Didn't add up $$$ wise for me so stayed with a tank system.
    I had a life, but my job ate it...

  3. #3
    1K Club Member
    Join Date
    Nov 2011
    Paradise Beach Vic


    Fitting line needs to sized by a gasfitter. Any con. flow hotty install will need a f/l upgrade.

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