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Bard 910-2299BX is an OEM return air sensor assembly used to monitor the temperature of air returning to the unit so the control system can make accurate decisions for staging, cycling, and comfort control. When a return air sensor drifts out of calibration or fails, it can cause uneven room temperatures, nuisance lockouts, or improper heating and cooling operation. This boxed sensor assembly is intended as a direct replacement for the original Bard sensor in compatible wall-mount and packaged equipment, helping restore proper temperature feedback and dependable system operation. Verify the unit model and existing sensor style before ordering to ensure correct fit and wiring compatibility.
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.