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PRO PLUS Ceiling Radiation Damper

  • UL 555C listed for use in a 1-hour fire-rated wood truss ceiling designs
  • 165 degree Fahrenheit fusible link
  • High-temperature, non-asbestos, reinforced fiber thermal fabric
  • Galvanized steel frame

Ceiling Radiation Damper shall be assembled with Energy Star® rated ventilation fans, fan/lights and fans with motion/humidity sensors. CRD shall be UL and cUL listed for wood truss assemblies and meet UL 555C for use in a 1-hour fire-rated ceiling as listed. CRD shall exceed the National Fire Protection Agency NFPA-90A.

Because the CRD is in an assembly it can only be rated for 1-hour. When the CRD is by itself it can be rated up to 3-hours but in an assembly, it can only be 1-hour.
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Radiation Damper


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