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Payne PY2PNB048130AA Control Board
The control board is designed to command everything including the gas valve, the igniter, all the various sensors and the blower all in one unit. It is impossible for your furnace or air handler to even be able to function without the control board installed. The control board you choose should match the brand and the model of air handler system you have. It is imperative that you select wisely upon picking a replacement board due to the many differences between systems.
What signals that my HVAC circuit board is on its last leg?
- System is unwilling to initialize at all
- Could be an flashing code suddenly appearing on the board
- The whole system has to be powered down and back up rather frequently for it to run correctly
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