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    mendon's Avatar
    mendon Posts: 2, Reputation: 1
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    #1

    Mar 15, 2009, 07:35 AM
    Weil-McLain Gold indirect water heater
    We installed a Weil-McLain Gold indirect water heater connected to our Oil furnace, circulation pump etc. All is working very well. The tank has a build in termostat to shut off the pump with is working, the only thing is that the hot water keeps circulating even when the termosta shuts off the pump. So the water inside the tank is scalding hot, we put a mixing valve inline and that brings the temperateur down at the faucet but still in the tank it is way to hot and not efficient. I was thinking to put a 120V valve inline controlled but the pump termostat (pump is 120V). Please advise what valve to use or maybe a other way of cotrolling this? Thank, Will
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Mar 15, 2009, 09:16 AM
    Exact model number?
    mendon's Avatar
    mendon Posts: 2, Reputation: 1
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    #3

    Mar 15, 2009, 10:38 AM
    It is the GOLD PLUS 40, Thanks Will
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #4

    Mar 15, 2009, 12:05 PM
    Is this the unit you are talking about? And how long ago did you install it?

    http://www.weil-mclain.com/downloads...bo40manual.pdf

    Also did you install a check valve on the piping?
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