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The Bard 1171-029 control knob is an OEM user interface part used on compatible Bard wall mount and packaged HVAC equipment to provide positive, repeatable manual adjustment of a control setting at the unit or controller panel. If a knob is cracked, loose on the shaft, or missing, replacing it helps restore proper operation and lets technicians and building staff make accurate changes without damaging the underlying switch or potentiometer. Because fit and indexing can vary by model and control style, confirm the part number against your Bard unit documentation before ordering to ensure the correct match for your specific control panel.
* Orders less than $50 may incure a minimum order fee.