Not sure if I've summarized the issue exactly right, but my downstairs, outside unit keeps switching off the past several days. I will feel air coming out of my registers but it isn't very warm. I have to go outside several times a day to push the red button to fire up the outside unit. Once I do...

How can I determine if the pressure switch is faulty on my Rheem Criterion II Furnace?

I have a york furnace P2MD12H06401A after 1 hour it shuts down and gives a 2 flash error for a stuck pressure switch. The switch is new can it be wired wrong? The old one had 2 white wires piggy back and 1 blue wire. The new switch has 3 separate terminals

I have a 6 year old Rheem Classic 90 Plus Horizontal Gas Furnace (Propane). Pressure switch sticks which causes furnace not to light 1st thing in the morning. When furnace will not start, I remove tube from fan and blow/suck on the tube. I can hear the pressure switch "click" several times and...

What are the proper settings for this particular model. The fan stays on way to long after the heat/fire shut down, which then causes the house to cool down quickly.