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Bard 8402-126BX is an OEM high limit control used in Bard wall mounted HVAC equipment to protect the unit from overheating by opening the safety circuit at its rated temperature and allowing the system to restart once conditions return to normal, depending on the specific control style. This part is commonly referenced as a Limit L200-30 with a 3 inch sensing element and is a direct fit replacement when your original limit control has drifted out of calibration, is nuisance tripping, or has failed open. Because limit controls are safety devices tied into the heat section and airflow conditions, confirm the exact temperature rating, insertion length, and wiring terminals on the original part before ordering to ensure proper operation after installation.
* 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.