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protecting motor bearings and extending the service life of your drive system
How do I switch between PTC and NTC sensor types
Optimized Pressure: Pre-set to 4" WC for stable combustion and maximum BTU efficiency
Integrated Pilot System: Includes the pilot assembly
utilizing this genuine Lochinvar limit switch ensures the equipment operates within factory-specified tolerances
Lennox 12W47 Inducer Assembly 321142-301 protecting motor bearings and extendingAs a seasoned technician, you know that a failing Lennox 12W47 Inducer Assembly is often the root cause of pressure switch trip outs and ignition failure in high efficiency systems. This genuine OEM Lennox draft inducer blower (Part Number 20556201) is the precise replacement required for Aire Flo AF92V series furnaces and select Lennox residential heating units. Engineered to manage optimal combustion airflow, this assembly pulls flue gases through
