The York A2101 (36T01B3, 8382) Limit Switch/Thermostat is a precision temperature control component used in York HVAC systems to protect against overheating and ensure safe operation. Featuring a 3-inch insert and L215-30F temperature rating, this auto-reset limit switch automatically opens the circuit at 215F and resets at 185F, restoring normal operation once the temperature drops. Designed for durability and reliability, it maintains system safety and efficiency in furnaces and air handlers. Key Features: Genuine York OEM limit switch for reliable temperature control. 3-inch insert for accurate sensing in air stream or heat exchanger. L215-30F rating ? opens at 215F, closes at 185F (auto reset). Auto-reset design eliminates manual reset downtime. Prevents overheating to protect blower and heat exchanger. High-quality construction ensures consistent performance and long service life. Easy installation and direct OEM fit for York systems. Specifications: Part Numbers: A2101 / 36T01B3 / 8382 Type: Limit Switch / Thermostat Insert Length: 3 inches Temperature Rating: L215-30F (opens at 215F, closes at 185F) Reset Type: Automatic Application: Furnace and air handler temperature protection Manufacturer: York (Johnson Controls) Compatible Models (short list): 1NP0441 2NP04501506 DSV180C2S4HAA1B0A DSV180B5M1HAA2A0A DBYZF048N110 VM24M1DBA50TX0 VPB12M1DED31HF0A VPB15A1DFD22H6L VPP061812B V53AC04Q5CDACI0001 Why Choose This Item: The York A2101 Limit Switch/Thermostat provides accurate temperature protection and automatic recovery, ensuring safe furnace performance and extending system life. As an original York OEM component, it guarantees precise fit, dependable operation, and compliance with factory specifications, making it the ideal choice for maintenance and professional repair.