Heil Quaker ICP 2120368 Wheel 321894-709 This is an electric expansion

This is an electric expansion valve requiring a 24VAC signal from a compatible York controller

it provides a reliable pneumatic seal for standard vacuum tubing

it integrates seamlessly into the vacuum lines of compatible gas furnaces and air handlers to monitor for flue obstructions or inducer motor failure

Fail-Safe Reliability: The mechanical spring return ensures the valve returns to the normally open position during power loss to maintain system flow

ensuring proper combustion air intake and flue gas exhaustion

Heil Quaker ICP 2120368 Wheel 321894-709 This is an electric expansionThe Heil Quaker ICP 2120368 Blower Wheel is a precision engineered double inlet centrifugal fan wheel designed for high static pressure applications in residential and light commercial HVAC systems. This heavy duty forward curved blower wheel measures 12" diameter by 12" width and features a 1 2" bore configuration. Engineered for a Counter Clockwise (CCW) rotation (viewed from the drive end), this component is a direct replacement for specific Heil,