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Ducts, Dampers, Adapters & Caps

Broan® Radiation Damper for InVent Series Fans & Fans w/ Lights for Use in Wood Truss Installations

Radiation damper for use with Broan® and NuTone® InVent ventilation fans and fans with lights (sold separately) in wood truss installations.




  • For use with 1, 2 or 3-Hour-Rated Floor-Ceiling and Roof-Ceiling Designs
  • UL Classified UL555C
  • Meets or exceeds NFPA-90A
  • UL/cUL Listed for use in the following Floor Ceiling and Roof Ceiling Assemblies: L521, L528, L546, L558, L562, L574, L576, L581, L583, L585, P522, P533, P538, P545, and P547 when installed per instructions
  • Stainless steel closure springs
  • 165˚ F fusible link
  • Galvanized steel frame
  • Separate outer frame allows complete fan and damper serviceability without disturbing surrounding ceiling material
  • Kit includes the following: Radiation Damper, 4-inch Round Metal Damper / Duct Connector, Mounting Support Bars, Plaster Supports, Motor Mounting Bracket, Light Jumper Cable
  • RDMWT for use with these Broan® InVent Fan and Fan/Light models: A110-B, A80-B, A80HD-B, AE110-B, AE110L-C, AE50-B, AE80B-B, AE80BL-D, AE80S-B, AE80SL-C, AE110S-B, AE110SL-C, AR80X-B, AER110-B, AER80-B, AER50-B, AR110-B, AER110L-C, A110F1, A80F1, AE100BF1, AE110F1, AE50F1, AE80BF1, AE80BLF1, AE50110DC, AE50110DCL, AE50110DCS, AE50110DCSL, AE50110DCF, AE50110DCLF, A000HFNF, A000HFKT, A000HSNF, A000HSKT, A000HLNF, A000HLKT
  • RDMWT for use with these NuTone® InVent Fan and Fan/Light models: AEN110-B, AEN110L-C, AEN50-B, AEN80B-B, AEN80BL-D, AN110-B, AN80C-B, AERN110-B, ARN80-B, ARN80HD-B, AERN110L-C, AEN110F1, AEN80BF1, AN000HFNF, AN000HFKT, AN000HSNF, AN000HSKT, AN000HLNF, AN000HLKT
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