69W43 Furnace Flame Sensor - For Lennox, Armstrong & Ducane Furnaces - Replaces 69W4301 LB-74940B LB74940B - 2 Pack 3204267 Safe for use on all

Safe for use on all sealed hard floors

restoring the mechanical rotation necessary for proper airflow and efficient drying

protect connections from moisture and direct exposure to the elements

Decreased Suction: Replace if the vacuum exhibits reduced airflow or struggles to lift standard debris

Note: Not compatible with gasoline engines or the newer 2017+ redesigned intake systems

69W43 Furnace Flame Sensor - For Lennox, Armstrong & Ducane Furnaces - Replaces 69W4301 LB-74940B LB74940B - 2 Pack 3204267 Safe for use on all69W43 Furnace Flame Sensor Key Features Detects burner flame to enable safe and continuous furnace operation. Constructed with a durable cermet insulator and a corrosion resistant sensing rod. Angled probe design for direct replacement and optimal positioning. Replaces Cross Reference Part Numbers 69W43 69W4301 LB 74940B LB74940B 102431 02 790 801A1 Compatibility & Fitment Designed as a direct replacement part for specific furnace models from: Lennox