York S1-025-43201-000 SPST Limit Switch 26°F Open 38°F Close

The York S1-025-43201-000 is an OEM Single Pole Single Throw (SPST) limit switch engineered for precise temperature-activated circuit control in York HVAC systems. Calibrated to open at 26°F and close at 38°F, this limit switch is designed to protect equipment from freeze damage and ensure safe, reliable system operation.

Key Features

• OEM York replacement limit switch — direct-fit for compatible York systems
• SPST (Single Pole Single Throw) switching configuration
• Opens at 26°F — interrupts the circuit to trigger a protective response
• Closes at 38°F — restores the circuit once safe temperature is reached
• Designed for freeze protection and low-limit temperature control applications
• Durable construction for long-lasting, dependable performance

Application

This limit switch is ideal for use in York heating and cooling equipment where freeze protection or low-temperature safety cutout is required. The SPST design provides a simple, reliable open/close action that integrates seamlessly into existing York system wiring.

Specifications

• SKU: S1-025-43201-000
• Brand: York
• Switch Type: SPST (Single Pole Single Throw)
• Opens At: 26°F
• Closes At: 38°F
• Function: Limit Switch (Freeze Protection / Low-Limit)

Why Choose OEM York Parts?

Using genuine York OEM components like the S1-025-43201-000 ensures compatibility, maintains equipment warranties, and delivers the performance standards your York system was designed to meet. Always verify your model number before ordering to confirm fitment.