Parallel Volume Damper Low Leak 3000PLL-44X20 Residential Registers & Grilles Square collar designed for a

Square collar designed for a 20” × 20”

Standard Features * 2601 - Square or rectangular for vertical mount only

Standard Features * Gang-operated opposed blade radial volume control damper for use with RD Series Round Diffusers * Available in 2" increments from 6"-24"

Available 6

Performance Data

Parallel Volume Damper Low Leak 3000PLL-44X20 Residential Registers & Grilles Square collar designed for ah3. Standard Features * 16 gauge galvanized channel frame * Parallel blades are cee stiffened 16 gauge galvanized for strength and stability * Blades pivot on non metallic celcon bushings * 1 2" square zinc plated steel pivot pins * 1 2" square zinc plated steel adjustable operating shaft extending up to 4" beyond the air control frame * Single blades on dampers with a height of 12" or less * Mill finish h3. Options * 3000 PLL Low Leak Air Control