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Bard 8402-102BX is an OEM limit control used in Bard wall mounted HVAC equipment to help protect the unit by opening the control circuit when abnormal high temperature conditions are detected. This L190-30 style limit is commonly used in the heater and airflow safety chain, so replacing a weak or nuisance-tripping limit can restore reliable operation and prevent repeated shutdowns. Because limit controls are application-specific by temperature rating and sensing element length, confirm the L190-30 rating and the 3 inch sensing element match your existing part and your Bard model and serial 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.