the 72L05 is specifically rated at 1/10 HP

preventing potential winding damage

High Flow Capacity: Pilot-operated diaphragm design supports high tonnage requirements for large-scale evaporators

ensuring the blower wheel interface and mounting geometry align with factory specifications

York S1-1474-0051 Ignition Module 321042-401 the 72L05 is specifically ratedThe York S1 1474 0051 Ignition Module is a critical OEM component designed to manage the ignition sequence and gas valve control in residential and light commercial furnaces. As a high performance Hot Surface Igniter (HSI) control, this module ensures precise timing for burner startup while continuously monitoring flame rectification to prevent unsafe legal gas accumulation. Engineered to handle 24V 120V control voltage, this part is a direct furnace