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fan limit switch

  1. Heil Gas Furnace Keeps Running

    Hi I have probably the original gas furnace in my house (c1969). It is a "Heil" brand. I replaced the thermostat a couple years ago and have not had a problem with that. This year when i lit the pilot light we noticed that it seemed like the fan kept running. When I went down to check it, the...
  2. Blower fan won't turn off - limit switch replaced

    Hello, I have an old (really old, I think) Carrier furnace, Model# 5GS0___ (can't even read the rest of the model number). The blower fan stays on even when the thermostat temp is achieved, when the thermostat is set to "off" and "auto", even when the thermostat is unplugged. This has only...