This kit contains the pilot burner

this is a 24V low voltage thermostat

often due to a clogged port

Does this motor require field programming

the 20415901 is the official superseding part number for the 20415501

York S1-073-27841-002 Casing mario This kit contains the pilotThe York S1 073 27841 002 Bottom Casing is a critical structural OEM replacement part engineered for 17. 5 inch cabinet widths. This heavy duty furnace bottom trim is manufactured from galvanized steel with a professional Champagne powder coated finish, ensuring high grade corrosion resistance and structural integrity for residential heating systems. Designed specifically as a Source 1 genuine part, it provides the precise tolerances required to