Royal 557RDD1410 - #557RDD Ceiling Radiation Damper Sleeve, 14" X 10"

Item: 557RDD1410
MFG: 557RDD1410
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Royal 557RDD1410 - #557RDD Ceiling Radiation Damper Sleeve, 14" X 10"

Ceiling dampers are designed to function as a heat barrier in air handling openings penetrating fire resistive membrane ceilings. The Model Series 557RDD has been especially designed to provide protection and simple installation in specific design wood truss ceiling assemblies.

Model 557RDD is designed for installation in the supply (or return) ductwork take-off from an AHU where it penetrates the ceiling and provides a multiple-outlet plenum to feed 557RDD/grille or diffuser assemblies. May also be used as a return.
  • For wood truss ceiling assembiles.
  • ETL Classified
  • UL263/E119
  • Ducted
  • Fiberglass Plenum
  • Side Inlet

California residents: see Proposition 65 Warning


picture_as_pdf consumer catalog

picture_as_pdf installation instructions

picture_as_pdf specification sheet

Features and Specification

Weight 4.650000
ERP ID 390021
Height 15.000000
Length 7.000000
Insulated No
Galvanized Yes
Gauge 21 GA; 24 GA
Width 11.000000
UPC 848605061206
Size 14" x 10"
R-Value Not Insulated
Composition Steel
Brand Royal®
Cubic Measurement 0.668400
Flanged Yes