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The Bard 8402-231BX is an OEM 208 degree one-shot limit control used as a critical high-temperature safety in Bard wall-mounted HVAC equipment, commonly in electric heat or high-heat sections where overheating protection is required. This temperature limit device is designed to open the circuit at its rated trip point to help protect heater components and surrounding wiring from damage caused by restricted airflow, failed blowers, or abnormal operating conditions. Because it is a one-time safety, it must be replaced after it trips, and for best results you should confirm the exact mounting style, wiring connections, and temperature rating against your unit’s Bard parts list or wiring diagram before ordering.
* Orders less than $50 may incure a minimum order fee.
Bard uses suffixes like "BX" to manage parts internally. These do not change the physical form or function of the part.
A part number ending in "BX" simply means it is packaged in a box for shipping, rather than for internal assembly use.
Example: 8406-142BX is physically identical to 8406-142.