York S1-001-07110-004 Key 318973-401 Because fitment depends on the

Because fitment depends on the specific serial number and generation of the unit

It includes the metal scroll housing and mounting hardware

Standard Bore Fitment: Includes a 1/2" bore with a secure set-screw attachment for standard motor shafts

High-Pressure Tolerance: Robust internal slide mechanism designed for consistent sealing and reduced pressure drop across the valve

this unit ensures reliable gas flow control for both main burner and pilot load applications

York S1-001-07110-004 Key 318973-401 Because fitment depends on theThe York S1 001 07110 004 Square Blower Key is a critical mechanical fastener designed to prevent rotational slippage between the blower motor shaft and the fan wheel. Measuring 1 4 inch by 6. 375 inches, this genuine OEM part ensures precise power transmission in high torque HVAC applications. Constructed from hardened steel, it is engineered to withstand the constant shear stresses of residential and light commercial air handlers, eliminating the