ICM Controls ICM2812 hot surface ignition furnace control board, published by ICM as a board-only replacement for the White-Rodgers 50M56U-843. It monitors ignition timing, trial for ignition, system switches, flame sensing and lockout.
Nordyne / Intertherm / Miller OEM control board. Nordyne publishes no public specification sheet for this part number, so voltages, amperages and application data are not stated here – verify against the board silkscreen before installing.
Carrier/Bryant/Payne OEM ignition control board. Carrier publishes no public specification sheet for this part to non-dealers, and no manufacturer cross-reference could be verified, so no electrical ratings are stated here.
Rheem/Ruud ProTech genuine OEM control board. Rheem lists it as a current, orderable OEM control board but publishes no electrical specification table for it, so voltages and amperages are not stated here; the published data is limited to identification, packaging and dimensions.
White-Rodgers 50C51-707 two-stage integrated furnace control, a direct OEM replacement for the Goodman and Amana PCBKF1xx series. For two-stage furnaces with a variable-speed ECM blower; works on ComfortNet communicating or legacy 24 VAC systems.
Rheem/Ruud ProTech genuine OEM integrated furnace control (IFC) board. It manages the heating sequence from gas ignition through blower off-delay and reports faults through an onboard LED.
Trane/American Standard OEM printed wiring board with a 16-pin connector. Trane Supply lists the part with the description "CONTROL; ICM FAN, PWB, 16 PIN" and files it under Furnace Control Boards.
Rheem/Ruud ProTech genuine OEM integrated furnace control (IFC) board kit. The IFC sequences the inducer, pressure switch, ignition, gas valve, flame sense and circulating blower while monitoring the limit and rollout safety circuits.
White-Rodgers 50M56-743 integrated furnace control kit, a direct OEM replacement for the Goodman and Amana PCBBF1xx series. Single or two stage, for 120V hot-surface-ignition furnaces with a multi-speed PSC blower; not for communicating or ECM-blower systems.
Lennox direct spark ignition integrated control board, catalog number 21W14. The board manages the furnace ignition sequence and blower timing, driving the spark igniter and gas valve and monitoring flame.
Rheem 62-25338-01 OEM control board for gas furnaces with direct spark ignition. Manages ignition, flame sensing, and blower operations in Rheem/Ruud systems.
Rheem 62-24140-04 OEM control board for gas furnaces with direct spark ignition. Replaces 62-24140-02. ICM292 is the aftermarket equivalent. Fits RGPH/UGPH models.
Rheem 62-105217-01 OEM control board for gas furnaces with spark ignition. Manages ignition, flame sensing, and blower operations in Rheem/Ruud systems.
Rheem 62-104058-02 OEM control board for gas furnaces with spark ignition. Also listed as 1194-200. Manages ignition, flame sensing, and blower operations.
Rheem 47-100436-84J blower control board for Rheem and Ruud air handlers. OEM replacement — also listed as 47-100436-04. Controls blower motor speed and airflow.
Rheem 47-100436-05 control board for air handlers with PSC motors. OEM replacement for Rheem and Ruud air handlers. Manages blower motor speed and timing.
Rheem 47-100436-02 control board for air handlers with X13 ECM motors. OEM replacement — also cross-references 47-102077-02, 47-102077-05, and 48X21-811.
Trane CNT07737 OEM control board for furnaces with constant torque motors. Replaces CNT04711. Fits TUD1C series and similar Trane/American Standard models.
Trane CNT09646 (replaces CNT07639, CNT07872) OEM control board for S8X1 series furnaces. Manages ignition, blower, and system safety for Trane furnaces.
ICM291 direct spark ignition control board. Aftermarket replacement for Carrier LH33WP003. Used in Carrier rooftop units and furnaces to control the ignition sequence.
Trane CNT05165 control board (50A65-5165 aftermarket). 80V HSI integrated furnace control for Trane and American Standard systems. Replaces CNT03076 and more.
Trane CNT03797 control board (50A55-3797 aftermarket). 120V integrated furnace control for Trane and American Standard systems. Replaces dozens of CNT numbers.
Nortek 920915 control board for G7 and M7 series furnaces. OEM replacement. Also sold as 624742, 624844, and 904840. Manages ignition and blower control.
Rheem 62-24084-82 integrated furnace control board (ICM288 aftermarket). Direct replacement for Rheem gas furnaces. Manages ignition and blower operations.