The Trane BNR1233 0.5" Stainless Steel Inshot Burner is a precision-engineered component designed for efficient fuel delivery and stable ignition in Trane gas furnaces and heating systems. Its stainless steel construction enhances durability, corrosion resistance, and consistent combustion performance. https://www.partshnc.com/trane-bnr1233-5-s-s-inshot-burner