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SPT WA-1150DE Control Board
Your system definitely will not operate lest the main control board is correctly installed. The control board is made to control everything including the gas valve, the igniter, all the sensors as well as the blower all in one unit. The brand of board you choose should have a replacement part number that matches both the make and model of your SPT WA-1150DE unit. Be very careful while searching to pick up a replacement control board due to so many small differences in certain brands.
Major indications of a weak main circuit board
- Power to the circuit board needs to be reset quite a lot for the system to operate once again
- The furnace or AC declines to start whatsoever
- System has some sort of error code shown on the control board
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