Description
This is a BRAND NEW OEM Trane/American Standard Gas Furnace Air Pressure Switch. It is rated at 0.92" W/C with 2 wiring terminals and 1 hose port.It works on many Trane/American Standard gas furnaces.
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:
21C330100P03 ES2187-0623 ES21870623
Repair Difficulty Level:

Partial List of Units that Use This Item:
Hit Ctrl+F and enter your model number for a quick search!