ClimaTek Furnace Pressure Switch .60 Fits Lennox Armstrong Ducane 74W90 74W9001
 

This is a new ClimaTek Furnace Pressure Switch.60 Mounting bracket may come different from original. In this case you may need to use the original mounting bracket. 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:

74W90 74W9001

Repair Difficulty Level: difficulty graph

Partial List of Units that Use This Item:



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