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is this a furnace with a plastic vent pipe to outside? and is there a second pipe?
the unit has one pipe that blows air out (exhaust) and another that sucks air in..has the pipe that sucks air in been removed from furnace and then try to start?
can we try that?
no problem..just let me know.
also..remove the small rubber tube from the pressure switch...now the fitting on the furnace side..poke a nail or paperclip all the way through...also make sure no water left in furnace...a shop vac works well for that
did you do any of the items I mentioned?
Sorry I did not know you were not there...I apologize.
I am sending the $18 additional services offer.
OK, good luck with it.