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The Bard 8406-002 momentary contact push switch is an OEM control component used on Bard wall-mounted HVAC equipment to provide a brief, spring-return electrical signal when pressed, then open the circuit again when released. It is commonly used for functions that require a temporary input such as initiating a test, reset, or service operation depending on the specific Bard model and control scheme. Replacing a worn or intermittent pushbutton helps restore dependable unit operation and reduces nuisance service calls caused by inconsistent switch contact. Confirm the part number against your Bard unit data plate or the unit wiring diagram to ensure proper fit and electrical compatibility.
* Orders less than $50 may incure a minimum order fee.