it is compatible with both split-system air conditioners and heat pumps

Optimal Airflow: Maintains low initial resistance to keep the HVAC system operating within manufacturer-specified static pressure limits

making it an ideal choice for modulating or two-position control of small-to-medium dampers and control valves

which in turn regulate modulator-regulator valves like the M411

Rapid Air Removal: The balanced pressure thermostatic air vent handles high volumes of air for faster system warm-up

Heil Quaker ICP 2120144 Wheel 320788-702 it is compatible with bothThe Heil Quaker ICP 2120144 Blower Wheel is a critical replacement component for circulating conditioned air in residential and light commercial HVAC systems. This 10x6 blower wheel features a 10 inch diameter and a 6 inch width, specifically engineered for counter clockwise (CCW) rotation as viewed from the shaft end. Built with a 1 2 inch bore (hub size), it is designed for a precision fit on standard 1 2" motor shafts, ensuring minimal vibration