Lennox 26W42 Pressure Switch 320788-704 Robust construction handles the high

Robust construction handles the high current draw typical of commercial refrigeration compressor start-up cycles

Enhanced Safety: Engineered as a fail-safe to prevent heat exchanger damage or water overflow during condensate management failures

Always verify the specific MFD requirements listed on the original motor nameplate or the service manual for your specific outdoor unit model

This prevents sediment from settling directly on the plunger

Lennox 26W42 Pressure Switch 320788-704 Robust construction handles the highThe Lennox 26W42 Pressure Switch is a critical OEM component designed for high efficiency two stage furnace operation. Engineered to monitor and regulate inducer motor performance, this switch features precise dual factory set points of 0. 55" W. C. (Low) and 0. 95" W. C. (High). As a veteran grade HVAC replacement part, it ensures the sequence of operation is maintained by verifying proper vacuum pressure before allowing the ignition process to