Most common issues with cold water

Discussion in 'Tankless Water Heater Forum' started by plumber69, Jan 13, 2021.

  1. plumber69

    plumber69 In the Trades

    Joined:
    Jun 20, 2014
    Location:
    Prince Rupert, British Columbia
    What are the most common issues with cold water or goes cold
     
  2. breplum

    breplum Member

    Joined:
    Oct 2, 2004
    Occupation:
    Plumbing and heating contractor
    Location:
    San Francisco Bay Area
    Check valves and flow sensors from my experience.
     
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  4. fitter30

    fitter30 Well-Known Member

    Joined:
    Feb 2, 2020
    Occupation:
    Retired service tech
    Location:
    Peace valley missouri
    Condensing water heater have to be designed for gpm and entering water temperature or else most of the time you will be disappointed.
     
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