Description
This is a BRAND NEW Supco Universal Gas Furnace Air Pressure Switch. The part # is NS2-0000-31 NS2000031. It has three wiring terminals (C NO & NC) meaning that it can replace air switches with either two or three wiring terminals (simply ignore the extra if you only need two). It has two hose ports meaning it can replace switches with one or two ports (comes with plugs to block off the extra port if desired). It can be adjusted from.10" w/c to 10" w/c using the springs and allen wrench provided in the kit (although you will need a manometer to set the w/c rating precisely.
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:
NS2-0000-31
Repair Difficulty Level:
Partial List of Units that Use This Item:
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