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Bard part number 9043-310 is an OEM auxiliary limit switch (manufacturer reference 434701) used as a protective control in Bard wall-mounted HVAC equipment. This switch is designed to open the control circuit when an unsafe operating condition is detected, helping prevent overheating and component damage and supporting reliable system operation. Because limit switches are selected by exact temperature rating, mounting style, and electrical connection type, confirm compatibility by matching the 9043-310 part number to your unit model and service literature before ordering.
* Orders less than $50 may incure a minimum order fee.