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Aquastat Draft Fan Control

Post in 'The Boiler Room - Wood Boilers and Furnaces' started by jessem, Nov 25, 2013.

  1. jessem

    jessem Member

    Joined:
    Jan 25, 2010
    Messages:
    20
    Loc:
    SW VA
    I was considering placing a low limit strap on aquastat to turn the draft fans off when the fire is going out.. I only have one aquastat to control the draft fan for the operating water temps. I would like to turn the fans off when the water temps drop out due to fire going out and no one at home to manually turn fans off.

    I would like any feedback/wiring diagrams!

    Thanks

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  2. maple1

    maple1 Minister of Fire

    Joined:
    Sep 15, 2011
    Messages:
    4,263
    Loc:
    Nova Scotia
    I'd try emailing some of the advertising dealers here & ask them about a stack temp thermostat to do that. That way it would shut your fan down after the stack cools off but before the fan blows all the heat out of your boiler water.
  3. ewdudley

    ewdudley Minister of Fire

    Joined:
    Nov 17, 2009
    Messages:
    1,792
    Loc:
    Cayuga County NY

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