Replacing the entire 67908 module provides a fresh air vent for optimal startup performance
Precision Sensing: Utilizes a high-sensitivity nylon sensing element with a fixed 5% RH differential to prevent equipment short-cycling
Zoning Compatibility: Mandatory for iHarmony zoning systems to monitor individual zone supply air and prevent equipment cycling issues
these parts are technically identical and can be used interchangeably in any Lennox application requiring a 120V to 24V step-down
this part is the manufacturer-designated direct replacement for the S1-2940-3191 and will fit the existing mounting brackets and wiring harness
Trane BLW01377 Inducer 321042-401 Replacing the entire 67908 moduleThe Trane BLW01377 Inducer is a precision engineered draft inducer motor designed for high performance combustion draft and reliable airflow induction in commercial and residential HVAC units. Operating on a 208 230V, 60Hz, 1 Phase power supply, this 3300 3600 RPM assembly ensures the steady expulsion of combustion gases, protecting system integrity and operational safety. Built with a 3. 3 inch diameter frame and an Open Dripproof (ODP) enclosure,