Lennox 26W42 Pressure Switch 320788-704 This prevents sediment from settling

This prevents sediment from settling directly on the plunger

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

The unit features an integrated LED status indicator for real-time visual diagnostics and a Normally Open (N

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

Lennox 26W42 Pressure Switch 320788-704 This prevents sediment from settlingThe 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