8531 /Burner Issue UPDATE--Photos ( Fixed!)
With the furnace running, where do you put the pos and neg leads of the meter? Or can you do it at the Tstat inside with the furnace on? I want the 12v to the board, not the voltages the board puts...
Forum Discussion
Look at the circuit board for your water heater, Many are the same as furnace. If they are swap them out to see if problem changes.
