White-Rodgers 50A55-743 Hot Surface Ignitor Furnace Control Kit

The 50A55-743 is an automatic gas interrupted ignition control that utilizes a microprocessor to constantly monitor, analyze, and control the correct operation of the gas burner, inducer, and fan.Signals that are interpreted during continual surveillance of the thermostat and flame sensing element will initiate automatic ignition of the burner, sensing of the flame, and system shut-off during normal operation.120 VAC Ignitor Output120 VAC Humidifier Output120 VAC Electronic Air Cleaner Output120 VAC 2-Speed PSC Circulator OutputFuse Protection - 5 AmpFurnace Status LEDHeat Fan OFF Delay (Dipswitch Selectable)Y, W, R, G, C, TWIN TerminalsThese controls integrate system fault analysis for quick gas flow shut-off, paired with automatic ignition retry upon sensing a fault correction. It is designed as a replacement for the following controls:Goodman0130F00005, 0130F00005S, B1809926, B1809926S, PCBBF110, PCBBF110S, PCBBF112, PCBBF112S, PCBBF123, PCBBF123S.White-Rodgers50A55-289, 50A55-743, 50T55-289