Lochinvar & A.O. Smith 100278133 Pilot Assembly 30067439-890 3-inch width

3-inch width

Broad Refrigerant Compatibility: Designed to work with HCFC and HFC refrigerants

the Trane furnace control board sequences the inducer motor pre-purge

Four dedicated ports allow for simultaneous connection of multiple vacuum hoses and gauges

Lochinvar & A.O. Smith 100278133 Pilot Assembly 30067439-890 3-inch widthThe Lochinvar & A. O. Smith 100278133 Pilot Assembly is a critical combustion component for maintaining reliable ignition and flame sensing in high efficiency commercial and residential water heaters. As a factory authorized OEM heating part, the 100278133 ensures precise gas flow and millivolt output, securing the burner cycle against intermittent dropouts. This specific assembly serves as the updated, direct replacement for 100165902, featuring