UL Rated Ceiling Radiation Damper Assemblies
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#241FRD Top Inlet Register Box Rectangular ceiling damper Minimum Size: 8" x 4" (203mm x 102mm) with 4" (102mm) diameter inlet Maximum Size: 12" x 12" (305mm x 305mm), 10" (254mm) diameter inlet |
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#243FRD 90° Side Inlet Register Box Rectangular ceiling damper Minimum Size: 8" x 4" (203mm x 102mm) with 4" (102mm) diameter inlet Maximum Size: 14" x 8" (356mm x 203mm), 10" (254mm) diameter inlet |
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#505RD Top Inlet Insulated Register Box Round ceiling damper in inlet collar. R-6.3 duct liner Minimum Size: 8" x 4" (203mm x 102mm) with 4" (102mm) diameter inlet Maximum Size: 14" x 8" (356mm x 203mm), 8" (203mm) diameter inlet |
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#507RD 45° Inlet Insulated Register Box Round ceiling damper in inlet collar. R-6.3 duct liner Minimum Size: 8" x 4" (203mm x 102mm) with 4" (102mm) diameter inlet Maximum Size: 14" x 6" (356mm x 152mm), 8" (203mm) diameter inlet |
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#509 90° Side Inlet Insulated Register Box Rectangular ceiling damper. R-6.3 duct liner Minimum Size: 8" x 4" (203mm x 102mm) with 4" (102mm) diameter inlet Maximum Size: 14" x 6" (356mm x 152mm), 8" (203mm) diameter inlet |
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