Description
OEM Lennox Armstrong Ducane Furnace Pressure Switch .90 & 1.5 Replaces 101021-05
This is a brand new OEM Lennox Armstrong Ducane upgraded Furnace Pressure Switch.90 & 1.5. It replaces the part numbers listed below.
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:
101021-05
Repair Difficulty Level:
