Description
The York S1 025 27747 016 is a high-quality, OEM rollout limit switch designed specifically for York / Johnson Controls gas furnaces. This safety device is engineered to interrupt the burner operation when the furnace’s internal temperature exceeds 320 °F, helping prevent overheating and enhancing system protection.
Key Features
- 320 °F Trigger Temperature: Opens at high heat levels to shut down the burner and prevent unsafe operation.
- Open Manual/Reset Design: Requires manual reset after a fault, ensuring that any over temperature condition is inspected and resolved before restarting.
- Single-Pole, Single-Throw (SPST): Reliable on/off control suited for HVAC safety circuits.
- Genuine OEM Part: Made by York / Johnson Controls for compatibility and reliability in their furnace systems.
- Easy Installation: Compact form factor and standard electrical spade connectors make it simple to replace in existing systems.
- Durable Construction: Built from high-quality materials to withstand repeated temperature cycles common in furnace operation.






