50A55-743 Furnace Control Board Replace Part PCBBF112S PCBBF123S B18099-26 | Replace Modules: 0130F00005,0130F000005S,B1809926,B1809928S,PCBBF110,PCBBF110S,PCBBF112,PCBBF 123,50A55-289,50T55-289

Common problem:The induction wheel motor will start, but the igniter will not heat up and there will be no flamesThe LED will flash three or four times, indicating a malfunction in the pressure switchHow to test pressure switch?Place the voltmeter in continuous mode and place the leads on top. When the induction motor is turned off, there should be no continuity. Once the induction motor starts and generates airflow, the change in pressure will turn off the pressure switch. If the voltmeter is working properly, a buzzing sound will be emitted.

• Quick fix: The 50A55-743 control board is an automatic gas interruption ignition control that can continuously monitor and analyze system obstacles, quickly shut down airflow, and automatically retry ignition after troubleshooting, make your HVAC unit work again
• Replace modules: 0130F00005, 0130F000005S, B1809926, B1809928S, B18099-26, PCBBF110, PCBBF110S, PCBBF112, PCBBF112S, PCBBF 123, PCBBF123S, 50A55-289, 50T55-289
• Plug and play: convenient interface, including installation manual, easy to install
• Economical and efficient: One piece of board can be easily handled without the need to replace the entire furnace, allowing you to feel warm in the cold winter
• Note: The new version may have slight differences from the old version, but there is no difference in the main body. You can use it with confidence