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International Comfort Products NBF050B12A1 Control Board
The International Comfort Products NBF050B12A1 control board is made to control everything including the gas valve, the ignition igniter, all the sensors as well as the air circulator all in one unit. Your air handler will be unable to activate lest the circuit board is properly connected to the unit. Be absolutely sure when you are choosing a replacement board due to the many differences between particular brands and their models. The brand of board you choose will have to be compatible with both the brand and model of HVAC system.
Warnings poorly running main circuit board
- The control board has to be turned off and back on repeatedly for it to run
- AC or heating system does not operate properly
- There seems to be some sort of error code suddenly appearing on the board
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