secure wiring

preventing repeated cycling under fault conditions

such as the EnergyRite series

typically featuring a 135°F trip point to prevent heat exchanger damage and unsafe operating conditions

Automatic Reset: Resets at 160°F to resume normal operation once internal temperatures have stabilized

Trane CNT3781 Limit Switch secure wiringThe Trane CNT3781 is a precision engineered 180F CO Auto Limit Switch designed for high reliability thermal protection in commercial and industrial HVAC systems. Featuring a non adjustable fixed trip point at 180 degrees Fahrenheit, this high limit safety control occupies a critical role in the safety circuit, preventing heat exchanger damage by breaking the circuit upon detecting excessive discharge or internal temperatures. With a robust 10 7 8 inch