ClimaTek Furnace Air Pressure Switch Fits Lennox Armstrong Ducane 49L90 49L9001
 

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.

Function:
 

An air switch is safety designed to ensure that your inducer motor is running at the proper RPM, and creating the proper vacuum for your furnace to flue safely.

Replaces Old Part #s:

49L90 49L9001

Repair Difficulty Level: difficulty graph

Partial List of Units that Use This Item:



Hit Ctrl + F and enter your model number for a quick search!