Lochinvar & A.O. Smith 100171950 Valve Freon Most failures occur due to

Most failures occur due to improper leveling

provided the system is configured to the manufacturer's specific water heater pressure switch settings

Integrated Diagnostics: Facilitates faster troubleshooting with clear indicators for system status and fault detection

a full valve replacement often isn't necessary

Use 1/4" O

Lochinvar & A.O. Smith 100171950 Valve Freon Most failures occur due toThe Lochinvar & A. O. Smith 100171950 Valve is a critical OEM replacement gas valve kit engineered specifically for Lochinvar Knight WH399 wall mount boilers. This high precision combustion control assembly includes the gas valve, venturi gasket, and necessary hardware to ensure a zero governor manifold pressure environment. As a veteran grade commercial boiler part, it regulates fuel flow based on the negative pressure signal generated by the blower,