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Bard 8402-145BX - Green auto reset limit switch

The Bard 8402-145BX is an OEM green auto reset temperature limit switch rated L230-30, designed to help protect Bard HVAC equipment from overheating by opening the safety circuit at its setpoint and automatically resetting after temperatures drop. This type of high limit control is commonly used in electric heat and air handler sections where dependable temperature protection is critical for safe operation and preventing nuisance damage. If you are replacing a failed or tripping limit, confirm the L230-30 rating and the original part number in your Bard unit documentation to ensure proper fit and correct safety performance.


  • Technical Specifications
  • Product number: 8402-145BX
  • Manufacturer description: L230-30 Exp. Face - Boxed Auto Green
  • Weight: 0.150 lbs
  • HTS Code: "9032.10.0030"

  • Previous Versions
  • 8402-145 (Obsolete, superseded by 8402-145BX)

$37.00 *

* Orders less than $50 may incure a minimum order fee.

What does the "BX" suffix mean?

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.