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International Comfort Products H9MPD075F12B1 Control Board
The system will cease to run at all unless this important circuit board is configured and seated properly. The control board is created to regulate the gas valve, the igniter, the flame sensor as well as the air circulator all together. You must be sure when you choose a control board due to the vast differences in models and types. The chosen circuit board will need to be a match with your existing board and be compatible with both the brand and model of HVAC system.
Clues of an inadequate main board
- The power to the system has to be turned off and back on often in order to run
- There is a type of code shown on the board
- Air conditioner or furnace is unwilling to operate well
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