York S1-024-35285-000 0.75″ SPNO Close on Fall Pressure Switch

Description

York S1-024-35285-000 SPNO Close on Fall Pressure Switch

The York S1-024-35285-000 is a genuine OEM replacement pressure switch engineered for use in York HVAC systems. Designed as a Single Pole Normally Open (SPNO) switch, this device closes its contacts upon a drop (fall) in system pressure, making it a critical safety and control component in heating and cooling equipment.

Key Features

• OEM York replacement part — ensures proper fit and reliable performance
• Single Pole Normally Open (SPNO) configuration
• Closes on pressure fall — activates circuit when system pressure drops below set point
• 0.75″ set point / port specification for precise pressure monitoring
• Designed for integration into York residential and commercial HVAC equipment
• Helps protect system components by detecting low-pressure conditions

Application

This pressure switch is commonly used in York furnaces, air handlers, and other HVAC equipment where monitoring of gas, air, or refrigerant pressure is required. The normally open contact closes when pressure falls, triggering a control response to protect the system or initiate a safety lockout.

Product Specifications

• Brand: York
• Part Number: S1-024-35285-000
• Switch Type: SPNO (Single Pole Normally Open)
• Action: Close on Fall
• Size: 0.75″