Lennox 26W34 Circuit Breaker 321702-401 making it an ideal solution

making it an ideal solution for retrofitting older hydronic systems without re-pulling cable

Technical Diagnostics: Simplifies troubleshooting with Modbus communication and LED status indicators for lockout information

protecting the system from overheating in low-airflow scenarios

Featuring a 1/2-inch diameter shaft with a double flat surface

Lennox 26W34 Circuit Breaker 321702-401 making it an ideal solutionThe Lennox 26W34 Circuit Breaker is a critical OEM replacement part engineered for professional grade electrical protection in residential and light commercial HVAC equipment. As a standard 3 Amp 250V circuit breaker, this component is designed to replace factory installed breakers (Lennox part number 100597 01) in air handlers, heat pumps, and condensing units. It functions as a precise overcurrent device, utilizing a fast acting mechanism to