York S1-025-20709-000 Pressure Switch 30067439-890 Key Benefits: Precise Cycling: Features

Key Benefits: Precise Cycling: Features a fixed 10°F constant differential to prevent short-cycling and maintain stable case temperatures

and N9MP platforms

The Robertshaw 720-402 is the official direct replacement for the 720-400

providing consistent 150-second full-stroke timing for high-resolution proportional valve control

Inspect for blocked flue pipes

York S1-025-20709-000 Pressure Switch 30067439-890 Key Benefits: Precise Cycling: FeaturesThe York S1 025 20709 000 Pressure Switch is a factory calibrated OEM high pressure limit designed for precise refrigerant circuit monitoring in York, Coleman, and Luxaire equipment. As a critical safety component, this high pressure cutout switch is engineered to open the control circuit at 227 PSI and automatically reset when pressure stabilizes at 170 PSI. For contractors managing HVAC service and repair, this switch ensures the compressor is