Common Questions and Installation Technicalities What systems are compatible with the SWG-3 Power Venter

Designed for high-performance bypass and power humidifiers

and R-300B gas furnace units

This comprehensive kit is compatible with various American Standard and Trane furnace parts

Experienced techs know that proper sizing by capacity

Lochinvar & A.O. Smith 100171950 Valve mario Common Questions and Installation TechnicalitiesThe 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,