ensuring reliable performance in high-humidity and freeze-thaw environments typical of industrial refrigeration controls

Technically

making it an essential component for technicians servicing systems running on R404A

whereas a manual reset requires a technician to physically press a button to resume operation after a trip

As a direct replacement limit switch

Johnson Controls A28AA-36 Temperature Control Freon ensuring reliable performance in high-humidityThe Johnson Controls A28AA 36 is a heavy duty two stage temperature control engineered for precision in HVACR applications requiring staged heating or cooling. This A28 Series manual reset thermostat features two SPDT switch actions, allowing for independent circuit control over a wide voltage range of 120 208 240 277 Vac. Built with a 40 90 degree setpoint range, the unit maintains a fixed 3 degree differential for each stage, with an adjustable 2 7