you ensure that the thermal expansion and contraction cycles of the unit do not compromise the stability of the venting or motor mounts over time

and nickel-plated brass stem for extended service life

Perfect Fitment: Eliminates the risk of thread leaks or seating issues common with universal parts

Built with a 48Y frame and a 1/2 inch diameter shaft

Lochinvar & A.O. Smith 100109827 Ignitor Pilot 340793-762 you ensure that the thermalThe Lochinvar & A. O. Smith 100109827 Ignitor Pilot is a critical replacement component engineered for high performance gas fired water heaters and residential boilers. Designed as a professional grade pilot igniter kit, this assembly facilitates precise spark generation to initiate combustion efficiently while maintaining system safety. It serves as a direct replacement for AO Smith 100109827 and Lochinvar 100109827, as well as the legacy part number