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Backdraft Dampers

Backdraft dampers, also called gravity dampers, keep air flowing in one direction through an HVAC duct. These dampers open when the ventilation system is running and close dynamically to prevent the backflow of air or materials.

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  • DAYTON
  • ALUMINUM BACKDRAFT DAMPER, FOR 30 IN FAN, SINGLE PANEL, 33 IN H, 33 IN W, 3 IN D, WALL
  • Item # DTN3C309
  • Mfr. Model # 3C309
  • EHC: EHC :
  • Single panel exhaust wall shutter, blade and fan diameter 30 inches, opening 5.133 square feet, frame opening A 30-1/2 inches, frame opening B 33 inches, venturi clearance dimension 30-1/2 inches, outside dimension 33-1/2 inches, aluminum frame.

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    SDS Document Not Found

    For assistance please contact the SDS Coordinator by email at productcompliance@grainger.ca

    CATALOGUE PAGE # 1856
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