Pressure Switch On A Coleman

pathfinder2112

I have a Coleman furnace not in a mobile home, the fault code says pressure switch stuck open, describe switch and location please.
I believe it's the round switch with the hose attached to it.

mickeyco

It looks like a Coleman pressure switch, it has terminals and a nipple or two and it's located inside the furnace.

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AcDocCM

Yes, it may well be the static switch, remove the hose from both ends then hold it up to your ear lisen to see if there is a vacumm. make sure that pitot tube at the combustion fan is not pluged. If not just test continuity at each safety swicth till you find the open one.

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