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Bard 8402-065BX - Limit Control Switch

Bard 8402-065BX is an OEM automatic limit control (limit switch) used in Bard HVAC equipment to help protect the unit from unsafe temperature conditions by opening the safety circuit when the sensed temperature rises to its rated limit. This L160, 4.0 differential style control is commonly applied where Bard needs dependable over-temperature protection for heaters, heat sections, or other high-temperature areas inside the unit, helping prevent nuisance shutdowns and component damage when airflow is restricted or heat builds up. For correct fit and operation, confirm your unit model and the original control rating before ordering, since limit controls are safety-critical parts and must match the factory specification.


  • Technical Specifications
  • Product number: 8402-065BX
  • Manufacturer description: Limit Control L160-4.0 - Boxed
  • Weight: 0.100 lbs
  • HTS Code: "9032.10.0060"

  • Previous Versions
  • 8402-065 (Obsolete, superseded by 8402-065BX)
  • 8402-048 (Obsolete, superseded by 8402-065)
  • 8402-029 (Obsolete, superseded by 8402-048)

$35.00 *

* 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.