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

this assembly ensures a stable pilot flame is maintained to safely light the primary burner

Calibrated with a precise 350 PSI pressure setting

protecting the unit and the facility

Compact Housing: IP30 rated enclosure provides protection against dust and debris while maintaining a small footprint for easy mounting

York S1-025-42734-000 Wire Harness 326058-756 Unlike many pilot-operated valves thatThe 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