Lochinvar & A.O. Smith 100278128 Kit 321142-301 Durable Construction: Housed in a

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

A fluctuating or dropping signal often indicates a dirty rod or poor burner ground

This genuine OEM replacement part is manufactured from high-grade

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

For contractors performing scheduled maintenance or emergency repairs

Lochinvar & A.O. Smith 100278128 Kit 321142-301 Durable Construction: Housed in aThe 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