Description
The York S1-025-19499-001 is an OEM-grade Single-Pole Single-Throw (SPST) temperature control designed for reliable switching in York HVAC systems. With a factory-set open point of 65°F and a close point of 75°F, this control provides consistent, repeatable temperature-based circuit switching to protect equipment and maintain system efficiency.
Key Features
- SPST (Single-Pole Single-Throw) switching configuration
- Opens at 65°F — breaks the circuit when the set temperature is reached
- Closes at 75°F — restores the circuit as temperature rises to the close setpoint
- Factory-calibrated setpoints for accurate, dependable operation
- OEM York replacement part — engineered to original specifications
- Designed for seamless integration into compatible York HVAC equipment
Product Specifications
- Brand: York
- Part Number: S1-025-19499-001
- Switch Type: SPST (Single-Pole Single-Throw)
- Open Temperature: 65°F
- Close Temperature: 75°F
- Application: Temperature control switching for York HVAC systems
Application
This temperature control is ideal for use in York heating and cooling systems where precise, automatic temperature-triggered switching is required. The SPST design makes it suitable for fan control, safety limit, or auxiliary circuit applications within the equipment it was designed to serve. Always verify compatibility with your specific York unit model before installation.







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