When my furnace tries to come on it blinks 3 times which tells me my pressure switch failed to close. I went and got another one and put on and it is still doing the same thing. When I jumper it out the furnace comes on and works normally. I checked the vent and it is free of debris. Is it...

I have a goodman furnace with an open limit switch code /blinking lite. Blower runs,but no flame what can I do to fix this problem?

I have a Goodman Janitrol gas FHA furnace which has been shutting down due to the pressure control switch line fills with condensate. The furnace is vented to the outside and is about 15-20 yrs. Old. Any ideas as to what the problem may be and how to correct it?

How do I wire my inline duct fan to my Goodman model gmp100-4 gas furnace fan so that the inline duct fan comes on and off when the furnace fan does? I understand that I need a relay from the inline duct fan but don't know where to connect the relay to the furnace.

How do I change the fan speed on a Goodman Dependable Ninety Two furnace.