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The Trane CNT0428 is a professional-grade SPST (Single Pole Single Throw) temperature control engineered for precision sensing in demanding HVACR applications
By utilizing this HVAC blower motor
maintaining the integrity of the furnace gas system without the need for field modifications to the original switch
this unit is a critical mechanical element in Comefri ATZAF series double-inlet fans
Lennox 14A43 Pressure Switch 320735-701 The Trane CNT0428 is aThe 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,
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