Description
This is a BRAND NEW OEM Armstrong/Lennox/Ducane Furnace Air Pressure Switch. The Armstrong/Lennox part # is 65W49 (also part # R100684-09 & 100684-09). Switch is rated at -0.60" w/c and has 2 wiring terminals with one hose port.
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:
56W65 56W6501
Repair Difficulty Level:
Partial List of Units that Use This Item:
Hit Ctrl+F and enter your model number for a quick search!