Lochinvar & A.O. Smith 100171950 Valve Freon The internal mechanical spring return

The internal mechanical spring return mechanism ensures a reliable fail-safe position upon loss of power

Use 1/4" O

000 BTU/hr and a multiple load capacity of 250

Most failures occur due to improper leveling

Lochinvar & A.O. Smith 100171950 Valve Freon The internal mechanical spring returnThe 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,