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The Bard 8402-116BX is an OEM L300-30F high limit switch used as a safety temperature control in Bard HVAC equipment, helping protect the system by opening the circuit if internal temperatures rise beyond safe operating conditions and then resetting as temperatures drop. This Blue Label boxed replacement is commonly used in Bard wall mounted units and other Bard packaged equipment where dependable overheat protection is critical for heaters and airflow sections. If you are troubleshooting nuisance trips, no heat, or intermittent operation, replacing a weak or out of calibration limit with the correct Bard 8402-116BX part helps restore proper safety operation and reliable run time, and it is also listed as the replacement for older Bard 8402-116 in some parts catalogs.
* 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.