This prevents the actuator from attempting to drive past its mechanical limits and protects the internal gearing from premature wear

comprising the 5-inch galvanized steel housing and the pre-installed 24V actuator

installing this furnace blower fan wheel restores factory-spec performance and prevents premature blower motor failure caused by unbalanced centrifugal loads

this valve functions effectively as a metering device in standard R22 or R407C air conditioning units of matching tonnage

while the 25 PSI maximum control pressure rating accommodates most building automation environments

Lennox 85L51 Blower Wheel 320735-701 This prevents the actuator fromFor high demand air distribution in heavy duty HVAC systems, the Lennox 85L51 Blower Wheel is a critical OEM replacement part engineered for exact rotational balance and performance. This belt drive blower wheel features a 10 5 8" diameter and 10 5 8" width, designed specifically to move high volumes of air through larger furnace and air handler units. It is constructed with 48 precision curved blades and a robust 1 inch bore to accommodate standard