Lochinvar & A.O. Smith 100109298 Pilot Assembly 322838 752 Precise Filtration: The porous molded Precise Filtration: The porous molded core effectively captures solid contaminants including carbon and metallic particles This genuine York replacement part (also referenced as s1 026 21411 000) is fabricated from high grade materials to withstand the thermal stress and mechanical torque generated during motor startup and continuous operation It indicates the maximum ambient operating temperature the electrical and mechanical components can withstand within the burner door assembly This is a complete FV pilot assembly containing the pilot tube