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Whirlpool ATR0743CPP0 Control Board
The control board is made to command everything including the gas valve, the ignition igniter, all the various sensors and the blower all at once. The system will cease to be able to function unless this important circuit board is accurately installed and configured. Any control board you choose will have a matching part number that will fit in both the brand and model of the system you have installed. Be very careful when you are deciding on a replacement due to variances between models within certain brands.
Warnings of a weakening main circuit board
- The whole system has to be reset often for it to run
- The furnace or AC declines to function properly
- There may be a fault code indicated on the front of the control board
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