The York S1-373-25771-000 Power Harness is a critical 4-pin OEM replacement designed to restore reliable voltage communication between HVAC control boards and system components such as blower motors and limit switches

Designed as a high-efficiency ECM X13 motor

using genuine Honeywell thermostat accessories ensures seamless integration with existing LP916 series hardware without the need for modifications or additional brackets

maintaining exact mfg specifications for terminal layout and troubleshooting LED diagnostics

high discharge pressures

Air Xchange 18520100A Belt 328140-751 The York S1-373-25771-000 Power HarnessThe Air Xchange 18520100A Belt is a precision engineered welded type 3L belt designed to maintain peak efficiency in advanced ventilation systems. This authentic OEM HVAC replacement part is specifically manufactured for use in Air Xchange energy recovery ventilators (ERVs) and heat recovery ventilators (HRVs), ensuring a perfect fit and reliable torque transmission. Constructed with high grade materials, this 3L fan belt features a specialized welded