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

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

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

the Sterling 11J31R04090 is fixed for clockwise (CW) rotation

High-Accuracy Regulation: Factory-set for Natural Gas applications to maintain consistent BTU output

Lennox 85L51 Blower Wheel 320735-701 while the 25 PSI maximumFor 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