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Bard 8402-144BX - L150-30 Auto Reset Limit Switch

Bard 8402-144BX is an OEM automatic reset temperature limit switch rated L150-30, commonly used as a safety control in Bard wall mount and packaged HVAC equipment to help protect components by opening the circuit if abnormal heat is detected and automatically restoring operation once temperatures return to a safe range. This genuine Bard replacement is the right choice when troubleshooting nuisance shutoffs, overheating conditions, or a failed limit that will not reset, and it is designed to match factory wiring and mounting for proper fit and dependable operation when installed to the correct Bard service manual and wiring diagram.


  • Technical Specifications
  • Product number: 8402-144BX
  • Manufacturer description: L150-30 Exp. Face Auto Org-Box
  • Weight: 0.150 lbs
  • HTS Code: "9032.10.0030"

  • Previous Versions
  • 8402-144 (Obsolete, superseded by 8402-144BX)

$20.00 *

* 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.