FSD36FA "FRONT ACCESS" 1-1/2 hr Groove Blade Combination Fire/Smoke Damper

The FSD36FA Combination Fire/Smoke Damper is both UL555 and UL555S Classified. It is rated as a 1-1/2 hour fire damper and a Leakage Class II Smoke damper. It is specifically designed for supply or return ducts with grille outlet. It features:
  • Rated to 2,000 fpm and 4" w.g.
  • Through the grille access to damper and all accessories.
  • Airfoil blades, which have greater strength, less static pressure, superior sealing ability, superior fire protection ability, and produce less noise.
  • Failsafe design, which enables the damper to automatically assume the desired position when fire interrupts operational power.
  • The EFL or PFL heat-actuated release devices permit controlled closure through the actuator and are automatically remote resettable after test, smoke detection, or power failure conditions.
  • Galvanized steel construction
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Region availability

North America
United States