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Bard part number 8406-082 is an OEM normally closed (NC) momentary pushbutton switch used in Bard wall mounted HVAC equipment where a technician needs a manual, spring return contact for control or service functions. Because it is NC, the circuit is closed at rest and changes state only while the button is pressed, helping restore proper unit response when an original switch is worn, intermittent, or physically damaged. For best fit and reliable operation, match the part number to the unit wiring diagram or service literature before ordering, and replace one-for-one on the existing mounting location and terminals.
* Orders less than $50 may incure a minimum order fee.