Lochinvar & A.O. Smith 100112429 Switch 326058-756 85" WC to match specific

85" WC to match specific Goodman furnace specifications

Ensure the sight pipe is clean and consider using an insulation mount to prevent thermal conductivity

Compatible with Carrier

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

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

Lochinvar & A.O. Smith 100112429 Switch 326058-756 85" WC to match specificThe 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,