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Robust Temperature Rating: Engineered to operate in ambient environments ranging from -40°F to 150°F
often rated up to 350°F (177°C) when using Teflon variants
Always verify your lead connections against the nameplate diagram and ensure phase rotation matches the fan blade requirements to prevent reverse airflow
With its 30-inch capillary tube and 1/4" sweat internal diameter external equalizer
The improved flow pattern ensures sensitive regulation even at low pressure differentials
Lennox 26W42 Pressure Switch 340155-7026 Robust Temperature Rating: Engineered toThe 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