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Bard 8402-124BX - L270-30 limit control switch

Bard 8402-124BX is an OEM limit control (L270-30) used in Bard wall-mounted gas/electric equipment as a flame rollout safety switch that helps protect the heater section by opening the circuit if excessive temperatures are detected near the burner area. When a rollout or overheat condition occurs, this control interrupts operation to prevent damage and improve overall safety, making it a critical component when troubleshooting nuisance shutdowns or replacing a failed safety. Because temperature limits and mounting styles vary by model and serial range, confirm the part number and the specific trip rating required for your unit before ordering.


  • Technical Specifications
  • Product number: 8402-124BX
  • Manufacturer description: Limit Control L270-30 - Boxed
  • Weight: 0.100 lbs
  • HTS Code: "9032.10.0030"

  • Previous Versions
  • 8402-124 (Obsolete, superseded by 8402-124BX)

$17.00 *

* 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.