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Bard S538-346 - Exhaust Damper Assembly

Bard part S538-346 is an OEM exhaust damper assembly used on Bard wall-mount HVAC equipment to control relief and exhaust airflow during ventilation and economizer operation. A properly working exhaust damper helps the unit maintain intended building pressure while bringing in outdoor air, and it supports stable comfort and system performance when the ventilation controls call for exhaust. This factory-correct assembly is built for direct fit and dependable operation, making it the right choice when replacing a damaged, sticking, or leaking damper so your Bard unit can regulate exhaust air the way it was designed to.


  • Technical Specifications
  • Product number: S538-346
  • Manufacturer description: Exhaust Damper Assembly
  • HTS Code: "8415.90.8085"

$194.00