Ok It is a Heil gas furnace. No belts. The motor I hear running is apparently the electronic ignition that comes on when I turn the electric on to the furnace. The burner fires, heats and goes out once heated up, no blower comes on. I was told to clean the heat sensor since it may be corroded....

Our heating furnace is powered by propane gas. There is a weird smell coming from it and when I relit the pilot light & turned the thermostat to "on" fire started blowing out of the furnace. Please help... could we have carbon monoxide in our home? There is also soot caked on the inside of...

Have a carrier weathermaker 90% HIGH EFFICINCY FURNACE ,this a spuratic problem.Sometimes when the stat calls for heat I can here the vent van come on and sometimes will run for 15-20 minutes, then the furnace fires up.some times it won't fire at all, shuting off the power switch on the side of the...

Our furnace started blowing out only cold air and the fan seems to run even if the thermostat is off, we tried replacing the thermostat and that was not the problem. It is a tech-4 gas furnace True blue 90. We were told it was the ignitor and that our model would also need to have an additional...

I have a comfortmaker GNJ075n12a1 80% furnace installed in 96 the igniter come on and the blower comes on and the system cycles a couple of times before the control locksout on during this time the gas valve is not energizing to fire the furnace if you shut the system down for a couple of...