Submittal Sheet

MODEL GBR-CRD
(Up to 3 hour – Ceiling Radiation Damper)
Description
GBR-CRD Ceiling Radiation Damper is UL and cUL listed,
and exceeds UL 555C for use in 3-hour fire rated assemblies.
GBR -CRD is also Warnock-Hersey certified for use in fire
rated floor/ceiling or roof/ceiling assemblies.
Application
 The GBR-CRD ceiling radiation damper employs a folded
curtain style blade for point-of-origin control of radiant
heat in a ventilation system
 The GBR-CRD is to be installed horizontally in the ceiling
membrane for the floor/ceiling or roof/ceiling assemblies
with a fire resistance rating up to and including 3 hours
 Ventilation fans shall be ducted out of the plenum space
using any UL 181 Class 0 or Class 1 duct
 UL listed as fan/damper assembly for the following Wood
Frame Construction designs: L521, L546, L558, L562, L574,
L576, L581, L583, L585, P522, P533, P538 and P545
 Available for Delta Breez Ventilation Fans: GBR50, GBR50L,
GBR80, GBR80H, GBR80HL, GBR80HLED, GBR80L, GBR80LED,
GBR80MHL, GBR80MHLED, GBR100, GBR100H, GBR100HL,
GBR100HLED, GBR100L, GBR100LED, ELT80-110, ELT80-110D,
ELT80-110H, ELT80-110MH, ELT80-110LED, ELT80-110DLED,
ELT80-110HLED and ELT80-110MHLED
Features
 Galvanized steel frame and sleeve
 Folded ceramic curtain blade
 165°F fusible link
 Size: 8 1/2” x 8 3/4”
 High temperature, non-asbestos, reinforced fiber thermal
fabric
Warranty
 3-year limited warranty
Information is subject to change without notice or obligation
Ratings
 UL 555C Fire Resistance Rating: 3 hour (horizontal,
for use in 1, 2, or 3 hour rated assemblies)
Listings
 CSFM listing: 3226-0368:104
 UL 555C listing: R27832
 Warnock Hersey listing #: 101232214SAT-003,-004
 Meets NFPA Standards: 90A and 101
 Meets Building Code Standards: IBC, NBC, NFPA,
SBC, and UBC
8
3
4 "
8
1
2 "
5
1
8 "
46101 Fremont Blvd., Fremont, CA 94538 | tel [phone] | www.deltabreez.com
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