I have a tempstar furnace model # FBF075B12G1. The furnace is maybe 3 years old. The little motor which turns the exhaust gas blower feels a little hard to turn. There is some rust on top of it. It will sometimes fail to start, which keep the burners from kicking in. If I spin it by hand, it will...

My Lennox G20 gas furnace ignites the pilot light and starts the main burners. The burners burn normally for about 2 minutes and shut down without the blower fan starting. If I manually set the blower fan to run continuously, the heater cycles on heats the house to the temperature set on the...

Hello, I have a concord 80 plus furnace model C2E24A-2A. Thermostat control mounted in my hall way is a white-rodgers model 1F78. I have it set on auto for 70 degrees. Lately I found the temp. has fallen to 66 or below 70 and the furnace has not kicked on. I then will have to turn the...

Bryant force air furnace, Model 394GAW036100, This is an old furnace. Circulation fan fails to start intermittently (most of the time) when on auto. Fan runs fine in manual mode. Burner comes on but appears to cycle rather shortly. I know that the limit controls the upper limit of the burner....

Condenser fan sometimes fails to start (notably after its been running for some time). After I de-energize the unit for ~ 1/2 hr, it it then starts up. 1. Do I need to replace fan and capacitor? 2. The installed capacitor has 3 leads with a resistor across 2 terminals. Do I find a like...