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Whirlpool ATR1243SPP0 Control Board
The control board is created to regulate everything including the gas valve, the igniter, most sensors as well as the blower all at once. Your system definitely will not activate lest the circuit board is correctly installed. A replacement board will need to pair with the part number from both the make and model of HVAC system. You must be careful when you are choosing a replacement board due to the many differences between models within certain brands.
Some warnings of a weakening main board
- Heat or AC unit refuses to operate well
- Could be an some sort of code indicated on the circuit board
- Power to the circuit board has to be turned off and back on repeatedly for the thermostat to kick in
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