York S1-025-41320-000 Limit Switch L140-40F
The York S1-025-41320-000 limit switch L140-40F is a temperature control device designed to protect HVAC equipment from overheating. It operates by monitoring internal temperatures and interrupting the electrical circuit when the temperature reaches 140°F, automatically resetting after a 40°F drop. Commonly used in furnaces and air handlers, it safeguards critical components and ensures safe operation.