Description Description Replaces:Repair Difficulty LevelPartial list of Model numbers that use this part:Use Ctrl+F and enter your model number for a quick search. View AllClose
Add to Cart Quick view 49L90 49L9001 - ClimaTek Furnace Air Pressure Switch Replaces Lennox Armstrong Ducane $37.99 This is a new ClimaTek Furnace Air Pressure Switch It contains one hose port and two wiring terminals. It replaces the part numbers listed below.An a $37.99 Add to Cart Quick view
Add to Cart Quick view 12W48, 12W4801 - OEM Lennox Ducane Armstrong Furnace Air Pressure Switch $108.95 Replaces: $108.95 Add to Cart Quick view
Add to Cart Quick view 80K11, 80K1101 - OEM Lennox Ducane Armstrong Furnace Air Pressure Switch $51.95 Replaces: $51.95 Add to Cart Quick view
Add to Cart Quick view IS20100-3072 - OEM Lennox Ducane Armstrong Furnace Air Pressure Switch $114.95 Replaces: $114.95 Add to Cart Quick view