Temple, GA

#557RDD CRD with Sleeve Plenum Mount

#557RDD CRD with Sleeve Plenum Mount

Product Specifications

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.

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