Lochinvar & A.O. Smith 100109522 Switch 320788-703 This blower wheel is precision-manufactured

This blower wheel is precision-manufactured to eliminate the vibration and mechanical stress that often lead to premature motor failure

R410A Compatibility: Specifically rated for the higher operating pressures of modern HFC systems

providing the consistent torque and RPM necessary to move high volumes of air through the condenser coils

This model includes a break-off shaft and mounting bracket for fast field replacement of older OEM controls

Lochinvar & A.O. Smith 100109522 Switch 320788-703 This blower wheel is precision-manufacturedThe Lochinvar & A. O. Smith 100109522 Pressure Switch is a critical safety component designed for precise pressure monitoring in high efficiency boilers, furnaces, and water heaters. This SPDT pressure switch (Single Pole Double Throw) features a fixed set point, typically calibrated to 0. 95 WC, ensuring that the combustion blower is moving sufficient air before the ignition sequence initiates. As a genuine OEM replacement part, the 100109522 is