Lochinvar & A.O. Smith 100278128 Kit 321142-301 Refractory Durability: OEM-spec refractory material

Refractory Durability: OEM-spec refractory material resists thermal shock and high-velocity oil flames

Operating at 3480 RPM

Durable Construction: Housed in a NEMA 1 enclosure suitable for standard plenum and indoor HVAC environments

Using it on a motor with different internal windings or different horsepower ratings will result in failure

Lochinvar & A.O. Smith 100278128 Kit 321142-301 Refractory Durability: OEM-spec refractory materialThe Lochinvar & A. O. Smith 100278128 Kit is a critical OEM LP Pilot Assembly designed for liquid propane water heating systems. Engineered for precision and long term reliability in high demand environments, this assembly functions as the primary ignition source for the burner, ensuring a stable and consistent flame for efficient combustion. This genuine replacement part replaces legacy Lochinvar part numbers such as the PLT2907, providing a seamless