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Bard 8402-188 is an OEM limit control (L150-105 line break, 1-pole) used in Bard wall-mount and packaged HVAC equipment to help protect the unit by opening the circuit when temperature reaches the control’s trip point and allowing it to reset once conditions return to normal. This safety control is commonly applied in heat circuits where reliable cutout protection is critical for preventing overheating conditions that can damage heaters, wiring, or nearby components. When replacing a limit, match the exact part number and ratings to your Bard model and investigate the root cause of the trip, such as restricted airflow, dirty filters, blower issues, or heater problems, before returning the unit to service.
* Orders less than $50 may incure a minimum order fee.