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Round damper + Universal damper drive + Round ceiling cup Damper System Features & Typical Application One piece cable drive system consisting of RT-WGA universal damper drive, MAT RT-250 round damper (or damper by others), rotary actuation cable, and RT-CCR round ceiling cup Typical application is for a branch duct or take-off balancing location with cable termination in the ceiling RT-CCR round ceiling cup is designed to look similar to a sprinkler head cover Damper adjustment is accomplished via rotary cable actuation using a standard 1/4” hex nut driver or MAT square nut driver Round Damper (RT-250) Available in 6 to 20 Ø Single blade shaft driven damper 20 ga. galvanized steel construction Standoff bracket for RT-WGA mounting Open/close blade stops Universal Damper Drive (RT-WGA) A one piece unit designed to work with most factory/shop built dampers Mounts to the damper in two easy steps Worm gear design prevents inadvertent damper blade movement after balancing Can drive single blade dampers up to 36" diameter Round Ceiling Cup (RT-CCR) UL94-V0 (flammability) rated paintable white polystyrene material Self-threading face plate mounts flush to the ceiling, providing an unobtrusive finish Requires less than 1.5 square inches of ceiling penetration No linkage or cable adjustment required during installation

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