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Whirlpool ATR0743BPP0 Control Board
It is impossible for your furnace or air handler to even be able to function without the board properly connected to the unit. The control board is designed to direct the gas valve, the ignition igniter, all the various sensors as well as the blower all in one unit. The board you select should have part numbers that match both the brand and specific model of furnace or air handler you have. Be very careful while picking a new replacement board because of the many variances of brands, models and types of systems.
General warnings of a worsening control board
- There is numbered code shown on the control board
- The system board has to be turned off and back on all the time for the system to operate once again
- The furnace or AC ceases to do anything period
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