I have a bryant furnace, model 398. The main burners do not light after the pilot light ignites. I have cleaned the blower motor and everything else I can. Everything looks and sounds good, but the main burners are not getting any gas to them and lighting. Its getting cold in here and need some...

I own a Bryant Plus 80 gas furnace. The fan will run if I set the thermostat to "Fan On" instead of "Fan Auto". But the burners will not ignite. I have followed the user manual instructions to re-start the furnace, but that didn't work. I have a gas water heater and it is heating so I know the gas...

Bryant gas furnace fails to ignite. LED displays code 34: Ignition proving failure. Hot-surface ignitor glows, but I never hear any gas. The main gas line is open. Gas hot water heater and another gas furnace work fine, so gas is likely OK. I assume that because the flame never ignites that...

I have a Carrier furnace 201BB and the pilot comes on but theburners do not ignite all the time. What can I do. Is there a part that needs changed. HELP

Lennox G20 Series gas furnace - Igniter works, ignition flame is starts, but the main burners never ignite. Blower fan starts after appropriate period. What is wrong?