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A healthy signal should stay steady between 2 and 6 microamps
providing the consistent ignition performance required by professional HVAC contractors
This HVAC wire harness is built to withstand thermal cycling and exposure to compressor oils without insulation breakdown
these part numbers refer to the same Honeywell ignition cable
York S1-024-35286-000 Pressure Switch A healthy signal should stayThe York S1 024 35286 000 Pressure Switch is a critical OEM replacement component designed for precision monitoring of combustion and ventilation air pressure within HVAC systems. This SPNO (Single Pole Normally Open) switch is factory calibrated to a . 9" WC (Water Column) setpoint, ensuring the control circuit closes only when the appropriate vacuum or draft is established. Engineered for high reliability applications, this close on fall pressure