Specification Sheet
SPECIFICATION SHEET
REFERENCE QTY. REMARKS Project
Location
Architect
Engineer
Contractor
Submitted by Date
41K 99045239B
Broan-NuTone LLC Hartford, Wisconsin www.broan.com www.nutone.com 800-558-1711
Broan-NuTone Canada Mississauga, Ontario www.broan.ca www.nutone.ca 877-896-1119
RDFU
PREMIUM
RADIATION DAMPER
FOR VENTILATION FANS
Premium radiation damper for use with Broan
and NuTone 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 serviceability without disturbing the
surrounding ceiling material
• Meets or exceeds NFPA-90A
• UL Classified (UL-555C)
RDFU for use with the following ventilation fan models:
Broan RB80, RB110, RB80L*, RB110L*, XB50,
XB80, XB110, XB50L*, XB80L*, XB110L*, XB110H*,
XB110HL*, ZB80, ZB110, ZB80L*, ZB110L*, ZB110H*,
ZB110HL*, ZB80M*, ZB110M*, ZB80ML*, ZB110ML*
NuTone 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.)
TYPICAL SPECIFICATION
Radiation damper shall be Broan/NuTone RDFU
suitable for use with the following ventilation fan
models:
Broan
RB80, RB110, RB80L, RB110L,
XB50, XB80,
XB110, XB50L, XB80L, XB110L, XB110H, XB110HL,
ZB80, ZB110, ZB80L, ZB110L, ZB110H, ZB110HL,
ZB80M, ZB110M, ZB80ML, ZB110ML
NuTone
RN80, RN110, RN80L, RN110L,
XN50, XN80,
XN110, XN50L, XN80L, XN110L, XN110H, XN110HL,
ZN80, ZN110, ZN80L, ZN110L, ZN110H, ZN110HL,
ZN80M, ZN110M, ZN80ML, ZN110ML
Radiation damper shall be rated for use in up to three
hour ceiling constructions. It shall be UL Classified
(UL-555C) and meets or exceeds NFPA-90A.
SEE DETAILS ON
UL CLASSIFICATION
MARKING ON PRODUCT

