COMPATIBILITY: 50A55-743 furnace replacement circuit boards can replace for White Rodgers// furnace parts. And compatible with the following models: 0130F00005, 0130F00005S, B1809926, B1809926S, B18099-26, PCBBF110, PCBBF110S, PCBBF112, PCBBF112S, PCBBF123, PCBBF123S, 50A55-289, 50T55-289, and ICM286 EXCELLENT PERFORMANCE: 50A55-743 furnace control board is an automatic gas interruption ignition control device that continuously monitors and analyzes system faults, quickly shuts off airflow, and automatically retries ignition after fault correction. After professional testing, optimal performance and long-lasting reliability. INSALLATION: For ease of installation, please take a photo of the old furnace control board before disassembly to that the wires are connected to the correct terminals. Input Voltage : 25VAC 50/60 Hz Control Volts: 120 Colour:Photo Color Material:Metal + Plastic Package Contents: 1 x Control circuit board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.