the 20415901 is the official superseding part number for the 20415501

This kit contains the pilot burner

High-Pressure Capability: Rated for 400 psig at 406°F

and TB3 series

Common Questions: How do I know if my 117U6000 relay has failed

York S1-073-27841-002 Casing mario the 20415901 is the officialThe 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