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International Comfort Products H8MPV100J20C1 Control Board
The control board is made to direct everything including the gas valve, the ignition igniter, all the various sensors as well as the blower all at once. Most systems will not run without the main control board correctly installed. You must be sure when you choose a control board due to so many small differences in heating and cooling systems. The brand of board you choose will need to be a match with your existing board and be compatible with the brand and the model of the unit in question.
Red flags your primary control board needs a replacement ASAP
- Your HVAC unit refuses to do anything whatsoever
- System has flashing code shown on the control board
- Power to the circuit board has to be turned off and back on more often than not for the heating or cooling to kick in
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