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Bard 8301-066BX - Discharge Air Sensor (Boxed)

Bard 8301-066BX is an OEM discharge air sensor supplied boxed for protection, used to monitor leaving-air temperature in compatible Bard wall-mount and commercial HVAC equipment so the control system can regulate capacity and protect the unit during operation. A faulty discharge air sensor can cause incorrect temperature readings, nuisance lockouts, or unstable comfort, so replacing it with the correct Bard part helps restore proper feedback for staging, safety logic, and overall system performance. Confirm your unit model and control board requirements before ordering to ensure the correct sensor match and connector style for your application.


  • Technical Specifications
  • Product number: 8301-066BX
  • Manufacturer description: Discharge Air Sensor - Boxed
  • Weight: 0.300 lbs
  • HTS Code: "8415.90.8085"

  • Previous Versions
  • 8301-066 (Obsolete, superseded by 8301-066BX)

$36.00 *

* 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.