Premium radiation damper for use with BROAN ventilation fans (sold separately).
Features
- 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
- Separate outer frame allows complete fan and damper servicability without disturbing the surrounding ceiling material
- Meets or exceeds NFPA-90A
RDF1 for use with the following ventilation fan models:
BROAN XB50, XB80, XB110, ZB80, ZB110