ICM Controls ICM2812-KITICM2812 KIT is an OEM universal replacement board designed to replace the ICM2812 in your HVAC control system. This versatile kit is compatible with White Rodgers 50M56U 843 and includes cable harnesses for a straightforward, plug and play installation. Built to maintain original control logic, the ICM2812 KIT delivers reliable operation in both residential and light commercial setups. Replaces ICM2812 directly, meaning minimal wiring changes and fast

it fits standard piping while delivering reliable performance

enabling a clean retrofit even in tight utility spaces

Installation: Easy replacement with standard wiring connections

Designed as an upper thermostat type replacement

Construction uses a stainless steel base plate and an aluminum cover for durability in industrial environments

The Armstrong 18H61 is a dependable choice for maintaining airflow in furnaces

and broad voltage compatibility

Dual radial leads: easy installation in tight spaces

Compatible with PGD60C1402E and the P1236309C–P1236312C family for seamless swap

Operating Relative Humidity 90 Percent

and Rubber Spring

Seamless integration with pneumatic humidistat controllers and HVAC networks