If the blower wheel does not spin freely

Always verify the actuator housing type before installation to ensure proper fitment and travel

7-inch width

Use a multimeter to perform an ohm check at the back of the controller pins

Does this kit include the delay oil valve

Utica-Dunkirk 21992 Limit Switch 322056-301 If the blower wheel doesWhen you are troubleshooting a boiler or furnace that is short cycling or experiencing a blower that refuses to shut down, the Utica Dunkirk 21992 Limit Switch is a primary diagnostic focal point. This OEM replacement limit switch is engineered specifically for Utica and Dunkirk heating systems to provide critical thermal protection. As a high limit safety control, this component features SPDT (Single Pole Double Throw) contact configuration and is