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Advise On Watts Hot Water Reciculation System

Post in 'DIY and General non-hearth advice' started by gfreek, Mar 26, 2011.

  1. gfreek

    gfreek Minister of Fire

    Joined:
    Nov 5, 2010
    Messages:
    707
    Loc:
    Beautiful Attica/Varysburg,New York

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  2. Dune

    Dune Minister of Fire

    Joined:
    Jan 14, 2008
    Messages:
    2,806
    Loc:
    Commonwealth Of Massachussetts
    They work more or less as advertised. Installed lots in high end homes, more for convience of the rich owners than anything else. Savings will vary depending upon distance from the water heater. Watts makes high quality components. The circ itself should be bronze. If not, beware.
  3. USMC4HIRE

    USMC4HIRE New Member

    Joined:
    Mar 27, 2011
    Messages:
    1
    Loc:
    Dallas TX
    I wasn't surprised to see that there was
    for sale at the link you provided. The problem with these systems is that the thermostatic valve that gets installed underneath the sinks
    hot water arrives at the sink. This prevents
    from entering the cold water line. But, anytime hot water is not at the sink, the valve opens back up to it's default position. Ask yourself if you want an open valve connecting your hot and cold lines together. When this valve is left open and cold water gets used water from your hot water pipes gets siphoned into your cold water pipes, even though you only used cold water for whatever. This hot water siphoning places demand on your water heater whether you just used cold water or not. There is a website that explains better than I can about the issues people experience.

    http://www.redytemp.com/hotwatercirculatorproblems.htm

    Just take a visit to your home depot or lowe's store and see how many of the boxes show signs of being opened and returned, I think you'll think twice before purchasing one.
  4. Dune

    Dune Minister of Fire

    Joined:
    Jan 14, 2008
    Messages:
    2,806
    Loc:
    Commonwealth Of Massachussetts
    All the recirc pumps I installed were in new constructuction with an independ recirc pipe, no conection between hot and cold. I am apparently not familar with this system, so disregard anything I said.

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