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 IS20100-5853 - OEM Lennox Ducane Armstrong Furnace Air Pressure Switch $83.45 Replaces: $83.45 Add to Cart Quick view
Add to Cart Quick view 14A44 - OEM Lennox Armstrong Ducane Furnace Air Pressure Switch $69.95 This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Air Pressure Switch. It replaces the part numbers listed below.An air switch is safe $69.95 Add to Cart Quick view
Add to Cart Quick view IS22141081S5 - OEM Lennox Ducane Armstrong Furnace Air Pressure Switch $66.95 Replaces: $66.95 Add to Cart Quick view
Add to Cart Quick view 558701 - OEM Lennox Ducane Armstrong Furnace Air Pressure Switch $108.95 Replaces: $108.95 Add to Cart Quick view