Built with a durable open enclosure for superior heat dissipation and high-grade ball bearings

ensuring a leak-proof seal even under fluctuating pressures

This specific model features a

High-Speed Extraction: The 2950 RPM motor provides the necessary cubic feet per minute (CFM) to clear the heat exchanger of combustion byproducts

This Spence Main Valve typically requires a minimum pressure differential of 10 PSI to ensure the internal diaphragm overcomes the main spring and pilot signal correctly

York S1-373-27943-001 Kit mario Built with a durable openEnsure precise combustion performance with the York S1 373 27943 001 Burner Alignment Bracket Kit. This essential OEM replacement part is engineered to maintain strict burner tube positioning relative to the heat exchanger inlets, preventing flame impingement and premature component fatigue. In high efficiency York residential gas furnaces, even a slight misalignment can disrupt the flame rectification signal or cause uneven heating across the primary