Description
The YORK S1 025 35361 000 is a high quality, genuine OEM auto limit switch designed to maintain safe operating temperatures in furnaces and HVAC systems. Engineered with a 3 inch insert and a temperature sensitive bimetal mechanism, this limit switch helps protect heating equipment by automatically cutting power when internal temperatures exceed the safe threshold, then resetting once temperatures return to the normal range.
Key Features
- Temperature based safety cutoff — opens (cuts power) at 165 °F, closes (resets) at around 135 °F, helping prevent overheating or potential damage inside furnace or heating units.
- 3" insertion length — fits deep enough into airflow paths or combustion chambers to accurately monitor internal temperatures.
- Auto reset design — automatically restores operation when temperature returns to safe levels, reducing maintenance and avoiding manual resets.
- SPST limit switch configuration — simple, reliable single pole switching suitable for most furnace and HVAC control circuits.
- OEM grade quality & compatibility — manufactured by YORK, ensuring proper fit and dependable performance in compatible furnaces or HVAC units.






