FSD35GA 1-1/2 hr V-Groove Blade, Grille Access Combination Fire/Smoke Damper

The FSD35GA a UL555 Classified Fire Damper and a UL555S Classified smoke damper. It is designed for supply or return ducts with grille outlet. It features:
  • Through the grille access to damper and accessories.
  • Easy installation from one side.
  • Fail-safe design, which enables the damper to automatically assume the desired position when fire interrupts operational power.
  • 1 1/2 hour UL555 rated.
  • 2,000 fpm and 4" w.g. maximum.
  • UL555S Class III Smoke Rating.
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Region availability

North America
United States