First, make sure that combustion fan comes on and there is nothing obstructing air flow in the combustion chamber. Then, check the tube between the pressure switch and the induction motor to make sure it is connected and not obstructed. Then, replace the pressure switch, part number 60030.
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First, make sure that combustion fan comes on and there is nothing obstructing air flow in the combustion chamber. Then, check the tube between the pressure switch and the induction motor to make sure it is connected and not obstructed. Then, replace the pressure switch, part number 60030.