if a vent limiting device is added

the valve allows for the removable actuator to be swapped without draining the system

this heavy-duty kit is built to endure the rigorous 150 lb stem force required by 1 1/2" to 2" valve bodies

the 41-311 is a complete service kit that includes the silicon carbide element

Lennox 85L52 Blower Wheel Refrigerant if a vent limiting deviceThe Lennox 85L52 Blower Wheel is a high performance centrifugal blower fan designed for heavy duty HVAC applications requiring consistent air delivery. Engineered as a 15x15 double inlet blower wheel, this component features a 1 inch bore and is statically and dynamically balanced to minimize vibration and extend the service life of the blower motor. This unit is the direct OEM replacement for Lennox 66656, ensuring exact fitment and airflow