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Thread: New third zone always radiates heat

  1. #1

    Question New third zone always radiates heat

    I have a FHW system and recently added a 3rd zone on the second floor for a MB suite. The first floor has always had 2 zones. Each zone has it's own circulator pump and thermostat.

    Some of the pipes on the second floor remain warm/hot even if I set the thermostat to the OFF position. I even disconnected the thermostat thinking it was faulty, but it didn't help. During the winter I kept the thermostat at 60and had to sleep with open windows (I'm in Maine). Now that the weather is warmer, I have the thermostat in the OFF position and there is still heat radiating from the pipes - enough to make the room very uncomfortable. The oil burner tech who installed the system doesn't think there is a problem.

    I will appreciate any info which will give me a heads-up concerning the problem before I call in another technician.

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Sep 2004
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    New England
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    Default

    Get another tech!

    I think you need to install some check valves to prevent flow unless the specified circulator is on.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    Web Development | HVAC patsfan78's Avatar
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    Jun 2009
    Location
    Maine
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    33

    Default New technition

    There is clearly a problem, call a new service company.

    I am just going to point out that oil companies like to sell oil. Ask around and find someone more reliable.

    The is most likely something simple, such as incorrect wiring.

    Mike
    www.hitechheat.com
    Home Heating Solutions

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