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Furnace Air Pressure Switch Fits Lennox Armstrong Ducane 12W5101 12W51 1.71"

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Description

This is a BRAND NEW Gas Furnace Air Pressure Switch. It is designed to replace the old Lennox/Armstrong/Ducane Part #s listed below. The pressure rating is 1.71" W/C. It has two wiring terminals and two hose ports.
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:
12W5101 12W51
Repair Difficulty Level:
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