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

The Reznor 164329 is a high-performance direct drive blower motor specifically designed for commercial and industrial unit heaters

the HH79AZ001 delivers the reliable thermal resistance data needed to maintain tight setpoint control without the need for manual calibration

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

The vane is marked for various pipe diameters

Lennox 85L51 Blower Wheel 320735-701 installing this furnace blower fanFor 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