Lochinvar & A.O. Smith 100112429 Switch 326058-756 verify the shaft diameter and

verify the shaft diameter and lead length to ensure seamless integration with the existing fan blade and mounting bracket

providing efficient air circulation while maintaining quiet operation

85" WC to match specific Goodman furnace specifications

Simplified Two-Wire Setup: Streamlines the installation process and reduces the risk of miswires on busy service calls

the Aaon R78310 assembly integrates a precision-balanced fan and motor to maintain steady airflow while significantly reducing operational noise

Lochinvar & A.O. Smith 100112429 Switch 326058-756 verify the shaft diameter andThe Lochinvar & A. O. Smith 100112429 Blocked Flue Switch is a critical safety component designed for high efficiency water heaters and commercial boilers. As a normally closed thermal switch, it monitors the venting system for atmospheric pressure imbalances or physical obstructions that could lead to dangerous carbon monoxide accumulation. Engineered for precision, this OEM replacement part triggers a system shutdown if it detects flue gas backup,