This is a 2-wire spring return model

OEM Reliability: Genuine Johnson Controls Penn components designed to withstand the thermal and mechanical stresses of HVACR water circuits

You must specify the required voltage (24V

This OEM component serves as a precise heat shield gasket

Use a multimeter to check for continuity across the terminals at room temperature

Heil Quaker ICP 17122000021908 Board 320720-756 This is a 2-wire springThe Heil Quaker ICP 17122000021908 Board is a critical motor inverter control assembly designed for high efficiency HVAC operations. As a variable speed fan drive board, this component is responsible for converting line voltage into the precise DC frequency required to modulate motor RPM and torque. This ICP furnace control board integration ensures the system maintains optimal static pressure and airflow, directly impacting the SEER rating and