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This is an electric expansion valve requiring a 24VAC signal from a compatible York controller
Technicians should verify the specific unit configuration
Fail-Safe Reliability: The mechanical spring return ensures the valve returns to the normally open position during power loss to maintain system flow
Precise Signal Management: Advanced flash memory ensures rapid command execution and reduced signal latency during high-demand cycles
Protect Critical Components: Prevents damage to circulator pumps and zones by cutting off the heat source before water reaches dangerous temperatures
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,