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  • heating zones

    My question is about heat and domestic hot water, I have a 3 heating zone hot water system and the fourth zone is for a boiler mate they all use seperate circulating pumps, my problem is when circulator comes on for the domestic hot water it pushes water through the 3 heating zones and the boiler mate, the circulators are off for the heating zones how do i stop the water from circulating through the heating zones and just through the boiler mate.

  • #2
    Re: heating zones

    You need flow check valves on all of the zones. If you already have flow check valves then one of them may be stuck open. Rap all of them with a hammer.

    http://www.taco-hvac.com/en/products...3&view=FAQList#
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    • #3
      Re: heating zones

      Does the system have a pressure bypass?
      West Trail Mechanical Ltd
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      www.westtrailmechanical.ca

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