OEM Standards: Guaranteed genuine Weil-McLain part performance for maintaining equipment safety certifications

Is a common wire (C-wire) required for operation

This specific tool set ensures precise seating of components to maintain hydraulic balance and system integrity

lowering energy consumption and mechanical wear on the reversing valve

or a failing blower motor that is preventing the heat exchanger from cooling properly

Lennox 23G38 Limit Switch OEM Standards: Guaranteed genuine Weil-McLainAs a core safety component for critical heating applications, the Lennox 23G38 Limit Switch provides essential thermal protection by monitoring the internal temperature of the heat exchanger. This OEM Lennox part is a fixed temperature L180F 40F auto limit switch, engineered to open the electrical circuit at 180F and automatically reset when the temperature drops to 140F. This high limit safety control prevents equipment damage and potential fire