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and D-4073 series
crucial for modern HVAC safety standards
Whether you are retrofitting an older boiler or installing a new manifold
or differential pressure by utilizing the appropriate NPT ports for the high and low-pressure sides
Lennox 80K27 Pressure Switch Els PW 17895 and D-4073 seriesThe Lennox 80K27 Pressure Switch is a critical safety and operational component designed for high performance Lennox HVAC systems. Engineered for precision, this furnace pressure switch features a 0. 34" wc setpoint, ensuring the draft inducer motor is moving exhaust gases safely before the ignition sequence begins. The SPST (Single Pole Single Throw) configuration provides a reliable normally open circuit that closes under proper pneumatic pressure,
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