Description
This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 92L21 (also 92L2101 20293412 & Honeywell # IS20151-3440) & it is rated at 1.61" W/C PF. Switch has 2 hose ports and 2 wiring terminals.
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:
12W52 12W5201
Repair Difficulty Level:
Partial List of Units that Use This Item:
Hit Ctrl+F and enter your model number for a quick search!