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The Bard 8610-039 Test Button Assembly is an OEM electrical control component used on Bard EC14 and EC20 wall-mounted environmental control units, providing a dedicated pushbutton interface for initiating built-in test or diagnostic functions during service and commissioning. This assembly helps technicians verify key safety and control operation without bypassing the factory sequence, making it a practical replacement when the original test button is worn, damaged, or intermittent. Use the unit model and serial number to confirm compatibility and wiring orientation before installation to ensure proper control response and safe operation.
* Orders less than $50 may incure a minimum order fee.