Specifications

GBR-CRD 09/20
46101 Fremont Blvd., Fremont, CA 94538
tel [phone] | www.deltabreez.com
Description
GBR-CRD Ceiling Radiation Damper is UL and cUL listed, and exceeds UL 555C for use
in 3-hour re rated assemblies. GBR-CRD is also Warnock-Hersey certied for use in
re rated oor/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
oor/ceiling or roof/ceiling assemblies with a re 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: 8.5” x 8.75”
• High temperature, non-asbestos, reinforced ber thermal fabric
Warranty
• 3-year limited warranty
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
Delta BreezGreenBuilder Series
Ceiling Radiation Damper
Specications (Non-Combustible only)
GBR-CRD
8 ½"
5 ⁄"
8 ¾"