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  1. #1
    Join Date
    Oct 2009

    Default Water heater pressure relief valve

    I have a 2 year old gas water heater that I get about 1 quart a day of water out of the pressure relief valve. It does not run constantly, only occassionaly. I have a hot water recirculating pump and a constant pressure well pump. I replaced the pressure releif valve but still get water out the valve. Any ideas.

    Thanks, Don

  2. #2
    Join Date
    May 2009
    Elyria, Oh.

    Default Re: Water heater pressure relief valve

    A small pressure tank plumbed into the cold water supply line will solve your problem. When water is heated, it expands and the pressure increases. When it reaches the pressure release valve preset the valve operates as it is supposed to do. A pressure tank is mostly air with a bladder in it. When the water expands it pushes into the pressure tank as air is compressible - water is not. Problem solved.

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