Heil Quaker ICP 1191351 Control Board 321894-709 With a fixed 5-degree temperature

With a fixed 5-degree temperature differential per stage and an adjustable differential between stages of 2 to 7 degrees

This model is designed for floating control or two-position (on/off) signals and operates on a standard 24Vac or 24Vdc power supply

this board monitors liquid line and outdoor ambient temperatures to initiate demand defrost

ensuring the equipment maintains high-efficiency performance and accurate temperature sensing across its entire rated range without the calibration errors seen in generic alternatives

It is optimized for use in liquid

Heil Quaker ICP 1191351 Control Board 321894-709 With a fixed 5-degree temperatureThe Heil Quaker ICP 1191351 Control Board is a critical OEM replacement part designed to function as the primary logic controller for specific central furnace systems. As an integrated furnace control (IFC), this component manages the precise timing and sequencing of 120V ignition systems, gas valves, and flame sensing circuits. Built for high reliability HVAC performance, the 1191351 ensures that the blower motor and inducer operate in perfect