Carrier HK37AA102 Circuit Board 326058-755 the RV47L-3/8 is functionally identical

the RV47L-3/8 is functionally identical to the Maxitrol RV47L-33

When diagnosing a heater "Rollout" or "No Flow" fault code

while optimized for 120V/60Hz

While generic switches exist

Carrier HK37AA102 Circuit Board 326058-755 the RV47L-3/8 is functionally identicalThe Carrier HK37AA102 Circuit Board is a critical OEM replacement part designed for precision control in residential heating and cooling systems. As a direct fit HVAC furnace control board, it manages essential electrical functions including the blower motor relay, inducer motor, and hot surface igniter timing. This original equipment manufacturer component is engineered specifically for Carrier, Bryant, and Payne equipment, ensuring direct