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mcsandman
Explorer
May 07, 2015

Furnace motor won't stop running

1991 Hydro Flame furnace: Fan motor runs constantly, even with thermostat disconnected. Where to look?
  • Which model/series of hydroflame?

    Timed delay relay or fan limit switch

    Check Chris Bryant's website for manual......LINK
  • You can probably find schematics on line with google... IIRC the wall stat only turns off the burner. There is an internal stat that keeps the blower on until the heat exchanger cools down. Probably that internal stat is stuck closed.

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