Heil Quaker ICP 1173425 Control Board 320735-701 preventing localized flooding and protecting

preventing localized flooding and protecting the backflow preventer from submersion

The lead-free copper silicon alloy construction ensures compliance with potable water regulations while maintaining high mechanical strength

Fixed Voltage Imbalance: Specifically calibrated at 7% to protect sensitive three-phase equipment while preventing nuisance tripping

and Luxaire air handlers (4-5 ton units typical)

Avoid contact with sharp edges or vibration points that could cause a loss of the volatile charge within the sensing element

Heil Quaker ICP 1173425 Control Board 320735-701 preventing localized flooding and protectingThe Heil Quaker ICP 1173425 Defrost Control Board is a critical OEM replacement component designed to manage the defrost cycle for heat pump systems. This ICP defrost control board serves as the central logic unit, monitoring input from liquid line thermistors and coil sensors to prevent evaporator icing during low ambient heating operations. Engineered for high stress environments, this HVAC circuit board coordinates the reversing valve solenoid,