The York S1-025-31834-000 Limit Switch is a critical OEM safety component engineered for narrow-tolerance thermal protection in York HVAC systems

depending on the specific equipment wiring diagram

Manual Override Security: Requires a physical reset by a technician

ensuring proper fitment and electrical ratings

Safety Integrity: Prevents catastrophic heat exchanger failure by monitoring air temperature at the most critical point in the plenum

Functional Devices RIBAN24C Relay The York S1-025-31834-000 Limit SwitchThe Functional Devices RIBAN24C Relay is a reliable 24VAC DC pilot relay designed for seamless integration into HVAC control systems and building automation sequences. This track mount SPDT relay features a 10 Amp contact rating, making it an ideal choice for switching smaller loads or interfacing between low voltage controllers and high voltage equipment. The dry contact relay configuration ensures clean signal isolation, while the polarized LED