Lennox 17K71 Circuit Breaker 319825-402 Fabricated from high-grade materials to

Fabricated from high-grade materials to resist the thermal and chemical stresses of combustion environments

When diagnosing furnace pressure switch stuck open errors

Its compact design facilitates straightforward wall-mounted installation or integration within the original control cabinet using standard HVAC wiring harnesses

providing the reliable superheat control necessary to protect the compressor and maintain evaporator efficiency

Smith catalog

Lennox 17K71 Circuit Breaker 319825-402 Fabricated from high-grade materials toThe Lennox 17K71 Circuit Breaker (Model 17K7101) is a high performance 2 pole 45A common trip breaker designed for critical circuit protection in residential and commercial HVACR equipment. This 120 240V overcurrent protection device is engineered to safeguard compressors and fan motors from electrical faults, effectively preventing damage caused by short circuits or sustained thermal overloads. As a veteran grade HVAC replacement part, it ensures the