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SPT WA-1240H Control Board
The SPT WA-1240H control board is designed to command the gas valve, the ignition igniter, most sensors as well as the blower all in one unit. The entire heating and cooling system will not run at all unless the control board is hooked up and is correctly configured. You must do some research while selecting a replacement because of the diversity of HVAC systems. The board that you will choose should have a replacement part number that matches both the make and model of the system you have installed.
Some warnings of an inadequate main circuit board
- Power to the control board needs to be reset quite often for it to kick in
- When turned on, there is a numbered error code instantly appearing somewhere on the circuit board
- Air conditioning or heating system will not start at all
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