extending the operational life of commercial refrigeration and air conditioning equipment

preventing premature diaphragm failure

Calibrated with a precise 350 PSI pressure setting

Unlike many pilot-operated valves that require a 5–10 PSI differential to stay open

protecting the unit and the facility

York S1-025-42734-000 Wire Harness 326058-756 extending the operational life ofThe York S1 025 42734 000 Wire Harness is a critical OEM component engineered specifically for 2 stage furnace systems and multi stage air conditioning units. Designed to facilitate a seamless interface between the HVAC control board and peripheral system components, this harness ensures precision signal transmission for staggered heating and cooling cycles. As a veteran grade York replacement part, it addresses common connectivity issues in high