Description
This is a brand new OEM Honeywell Upgraded Furnace/Unit Heater Air Pressure Switch. The switch is rated at -0.55" with 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:
IS20203-4006 1747D6/B
Repair Difficulty Level:
Partial List of Units that Use This Item:
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