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Bard 507-298 - Vent box top insulation

Bard part 507-298 (Vent Box Top Insulation App.) is an OEM insulation piece used at the top of the vent box on compatible Bard wall-mounted HVAC units to help control unwanted heat transfer and reduce condensation risk around the ventilation section. Replacing damaged or missing vent box insulation helps the unit maintain steadier air temperature through the vent path, supports proper airflow performance, and can cut down on cabinet noise and vibration that sometimes shows up when insulation breaks down over time. For best results, confirm the vent box style and unit model match your Bard parts list before ordering, since vent assemblies and insulation layouts can vary by series and options.


  • Technical Specifications
  • Product number: 507-298
  • Manufacturer description: Vent Box Top Insulation App
  • HTS Code: "8415.90.8085"

$200.00

This Part is Used in These Models ℹ️