The problem now is the igniter element is not heating up. The control board is blinking 3 flashes - which decodes to pressure switch stuck open. When I suck on the combustion side of the switch briefly the heating element will glow and eventually the gas comes on. So, I thought I had a bad pressure switch. I just ordered a new pressure switch, and no luck. Still 3 blinking lights and no heat.
I tested to see if the pressure switch was getting any voltage from the control board and nothing. Could it be the control board? I just wanted to see if that may sound to be the culprit, as the control board is not a 25$ part
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ps. model number: P3URD12N07501A