Search:

The furnace is about 4 years, this is my second winter in this house. As far as the flue, I have taken it off and ran it with out it to see if this changed anything (only for a short amount off time...

Ok, I changed the pressure switch and it still clicks about 50 times to start the fan:confused: . I can still suck on the rubber hose and the fan starts right up. What should be my next step?
...

Might this be an issue with the mother-board cutting out a motor relay before the motor gets started?

I have read your other post and have check everything for an obstruction. The hose, the pressure switch, and where the hose attaches to the exhaust fan. I took off the exhaust vent and checked it,...

Hello, I have a Goodman :( heating unit in the house that I moved into model GPM100-4.
When the exhaust fan comes on to clear out the system before the unit will fire up. It makes a clicking sound....