Lennox 14A43 Pressure Switch 319848-301 this 24V solenoid valve features

this 24V solenoid valve features an integrated end switch that provides essential feedback to the system controller

Common Questions What is the delay timing for the MARS 33242

Designed for rigorous duty cycles

contractors typically recommend a change-out every 6 to 12 months to prevent excessive static pressure

Lennox 14A43 Pressure Switch 319848-301 this 24V solenoid valve featuresThe Lennox 14A43 Pressure Switch is a genuine OEM dual stage pressure switch engineered for high efficiency Lennox, Armstrong Air, and Ducane furnace models. This 2 stage assembly features factory calibrated set points of 0. 90" W. C. (High) and 0. 45" W. C. (Low), providing precise differential pressure monitoring to ensure the inducer motor is creating the correct draft for safe combustion. As a direct replacement for Lennox 103271 01, 104549 01,