Heil Quaker ICP 1160717 Defrost Board Using a longer or shorter

Using a longer or shorter probe than the original specification can lead to delayed responses or premature tripping

This encapsulated pressure switch is factory-calibrated to open at 650 PSI and auto-reset/close at 450 PSI

This start relay and overload protector combo is specifically designed to manage the startup phase of the motor and provide continuous thermal and current monitoring

Certain large-capacity White-Rodgers models utilize a split-bank design requiring two prefilters

It is optimized for 50/60Hz applications

Heil Quaker ICP 1160717 Defrost Board Using a longer or shorterThe Heil Quaker ICP 1160717 Defrost Board is a critical OEM replacement part designed to regulate the defrost cycle in residential and commercial heat pump systems. Engineered for high reliability performance, this defrost control board is a direct functional equivalent to the ICM300, featuring the same compact footprint as the original Carrier 621 series controls. It manages time and temperature defrost logic to prevent evaporator coil icing,