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Bard 139-433BX - Barometric Damper Blade
The Bard 139-433BX Barometric Damper Blade (boxed) is an OEM airflow control component used in Bard wall mount ventilation assemblies to help the unit relieve building pressure by modulating the barometric damper opening as conditions change. Replacing a bent, cracked, or binding blade helps restore proper damper movement so your system can maintain stable ventilation performance and avoid nuisance air leakage. Because damper blades are application-specific by model and intake configuration, match this Bard 139-433BX to your unit’s parts list and verify dimensions and linkage fit before ordering.
- Technical Specifications
- Product number: 139-433BX
- Manufacturer description: Barometric Damper Blade -Boxed
- HTS Code: "8415.90.8085"
$70.00
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.