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RDFU Nutone Premium Radiation Damper

Item #: RDFU
Retail: $85.99 Price: $78.84
You Save: $7.15 (8.3%)
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Many codes require that exhaust fans installed in multi-family fire-rated ceilings must be protected by dampers, which, in case of fire, protect against the spread of heat and flame. NuTone offers a variety of radiation/fire damper solutions to meet most any need.

When the air temperature passing through the damper exceeds 165°F the fusible link melts, triggering the thermal fabric to automatically close across the damper. Airflow is interrupted by a flame and heat barrier, preventing the rapid spread of fire to other areas.

  • For use in 1, 2 and 3 hour rated floor-ceiling and roof-ceiling constructions
  • Galvanized steel frame
  • High temperature, non-asbestos, reinforced fiber thermal fabric
  • Stainless steel closure springs
  • 165°F fusible link
  • Removable damper allows complete fan and damper serviceability without disturbing the surrounding ceiling material
  • Meets or exceeds NFPA-90A
  • UL Classified (UL-555C)
  • Same grilles that come with standard fans and fan/lights can be used

RDFU for use with the following ventilation fan models:

RN80, RN110, RN80L*, RN110L*, XN50, XN80, XN110, XN50L*, XN80L*, XN110L*, XN110H*, XN110HL*, ZN80, ZN110, ZN80L*, ZN110L*, ZN110H*, ZN110HL*, ZN80M*, ZN110M*, ZN80ML*, ZN110ML*

* Sensor and light cable extensions required on these models (Purchase Model RDJUMPU separately).

 
 
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