Description
This is a BRAND NEW Lennox/Armstrong/Ducane Gas Furnace Air Pressure Switch. The Part # is 12W53 (also 12W5301 20293411 R20293411 & Honeywell # IS20151-3439) & it is rated at 1.52" 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:
IS20151-3439 20293411
Repair Difficulty Level:
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