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These dampers cover the vast majority of sizes required for residential applications and feature Flexible Link design. Dampers are power close/spring open operation. Two wire, 24 volt with adjustable stop. Installation only requires a 4-1/4" slot in the duct.
10" x 8" 12" x 8" 14" x 8" 16" x 8" 18" x 8" 20" x 8" 22" x 8" 24" x 8" 26" x 8" 28" x 8" 10" x 10" 12" x 10" 14" x 10" 16" x 10" 18" x 10"
CAT. NO. MFG. NO. DIMENSIONS EACH 5H477 5H479 5H480
20" x 10" 24" x 10" 26" x 10" 28" x 10" 12" x 12" 14" x 12" 16" x 12" 18" x 12" 20" x 12" 24" x 12" 14" x 14" 16" x 14" 18" x 14" 20" x 14" 24" x 14" 16" x 16"
12" x 8" 14" x 8" 16" x 8" 18" x 8" 20" x 8" 22" x 8" 24" x 8" 12" x 10" 14" x 10" 16" x 10"
18" x 10" 20" x 10" 22" x 10" 24" x 10" 14" x 12" 16" x 12" 18" x 12" 20" x 12" 24" x 12"