Installed new White-Rodgers board in lennox furnace. Furnace runs but shuts down before reaching thermostat temperature.

Ok, my original post was over a noisy draft regulator. Since then I have determined the cause of the regulator banging was the burner going out. This only occurs for a fraction of a second, just little pulses. I changed my in-line fuel filter and my burner nozzle. When I remove the inspection cover...

Has any one found a solution for the Carrier weathermaker furnaces when they fail to cut in when the thermo calls for heat. I have to turn off the power at panel box or kill switch for 5/ 10 seconds then flip back on then the furnace will cut in, apparently some kind of safety sensor, but it does...

Having problems keeping flame burning in furnace.Oil furace hadn't been used in 2 years and had oil delivered recently.We figured the tank would be close to empty but were told after it was filled that it was already over 1/3 full. Furnace would light up with yellow flame but then turn blue and...