York S1-025-50869-000 Pressure Switch 340155-7026 Broad Pressure Range: Adjustable opening

Broad Pressure Range: Adjustable opening point from 70 to 260 PSI accommodates various high-pressure refrigerant requirements

What are the operating temperature limits

this unit offers flexible On/Off or Floating point control

This thermostat accessory is essential for maintaining the operational integrity and aesthetic uniformity of existing pneumatic installations where exposed setpoint access is required by facility staff

This OEM water heater part (also listed under part ID 747886) is compatible with a wide range of AO Smith water heaters and Lochinvar boilers requiring a 3/4" x 3" x 42" configuration

York S1-025-50869-000 Pressure Switch 340155-7026 Broad Pressure Range: Adjustable openingThe York S1 025 50869 000 Pressure Switch is a critical safety component designed for precise HVAC furnace combustion monitoring. Engineered to detect proper inducer motor operation, this atmospheric pressure switch ensures that the venting system is clear of obstructions before allowing the ignition sequence to proceed. As a genuine OEM York replacement part, it features a factory calibrated set point of 0. 10" WC, maintaining the tight tolerances