and 240Vac systems

The Johnson Controls A11D-5 is a professional-grade low temperature cutout freezestat designed for critical freeze protection in HVAC systems

maintaining the operational integrity of the primary loop

The integrated auxiliary switch allows for seamless end-stop signaling or interlocking with external pumps and boilers

12" insertion length and a specialized board mounted design

York S1-025-46402-000 Switch 320720-756 and 240Vac systemsThe York S1 025 46402 000 is an essential OEM L235F Manual Reset Limit Switch designed for high limit temperature protection in York, Luxaire, and Coleman furnaces. This HVAC safety control features a fixed 235 degree Fahrenheit trip point, functioning as a "watchdog" for the heat exchanger. When internal plenum temperatures exceed safe operating parametersoften due to restricted airflow from a clogged air filter or a failing blower motorthe internal