Watts Recir Pump on DUAL Water Heater in Sequence

Discussion in 'Plumbing Forum, Professional & DIY Advice' started by EV01, Sep 21, 2020.

  1. EV01

    EV01 New Member

    Joined:
    Sep 21, 2020
    Location:
    Idaho
    How do I hook up a Watts recirculating pump on two water heaters hooked up in sequence like picture shown? How about that Expansion Tank on the tank 2 hot water side? Do I add the pump right after it? Dual Hot water heaters.jpg
     
  2. breplum

    breplum Member

    Joined:
    Oct 2, 2004
    Occupation:
    Plumbing and heating contractor
    Location:
    San Francisco Bay Area
    Expansion tanks only go on the cold water side. They are not designed for hot water.

    Dedicated recirc or just putting a pump and crappy make my cold water hot "comfort" mixer valve at a distant fixture?
     
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  4. Tuttles Revenge

    Tuttles Revenge In the Trades

    Joined:
    Oct 15, 2014
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