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Hot water randomly stops

denopdenop Member Posts: 2
I have a Burnham boiler, a SuperStore water tank, a Taco 6 zone relay box, and 3 Taco circulators. 2 zones for baseboards and 1 for the SuperStore. Randomly, the hot water will stop. I have to shut the priority switch off in the relay box so I can get heat in the house. There is a very faint noise coming from the circulator, yet the pipe on the output side is not hot. The circulator is 1 year old. The Aquastat on the water tank is new. I've moved relays around in the relay box too. The thing that stumps me is the only way I can get the hot water to work if I shut power off to the system then flick it back on. Sometimes on the 1st try, sometimes the 2nd try, it will immediately start pushing hot water through. It could work fine for the day, or a week. Don't know where to go from here.

Comments

  • SuperTechSuperTech Member Posts: 1,209
    It could be a bad capacitor on the circulator or the motor itself. Do you have a multimeter or any way to confirm that you are getting voltage to the motor?
  • denopdenop Member Posts: 2
    If I shut power off so I can get to the wires for the circulator, then put the power back on, chances are it will read o.k. because that's how I get it to work anyway.
  • GBartGBart Member Posts: 753
    "Don't know where to go from here."

    Call a pro and have it diagnosed, sounds like you have more than one problem, like bad wiring, bad board, turn off priority to get heat??? something isn't right
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