Trane CNT4820 Control SPST A/R N/C Limit 155F Open

The Trane CNT4820 Control is a Single Pole Single Throw Adjustable Reset Normally Closed limit control for Trane HVAC equipment. It’s a safety switch that opens a circuit automatically when a certain temperature threshold is reached. For the CNT4820, the circuit opens at 155 degrees Fahrenheit 155F and cuts off the flow of electricity. It is a safety feature that protects your Trane HVAC equipment from potential overheating and damage to the whole system, including the compressor and other electrical components. The Trane Control acts as a vital safety measure to extend the life and reliable operation of your Trane HVAC system.