Parallel Volume Damper Low Leak 3000PLL-60X58 Residential Registers & Grilles 165° standard * All sizes

165° standard * All sizes utilize one main curtain stay * Galvanized finish h3

Standard Features * 2633 - Square or rectangular out-of-airstream fire damper for vertical mount only

904 - Double Deflection Adjustable Aluminum Blade Grille For a 30" x 20" Duct Opening (front blades parallel to shortest dimension)

PERFORMANCE DATA

For damper free area chart B click here * 2665 - Round fire door for vertical mount only

Parallel Volume Damper Low Leak 3000PLL-60X58 Residential Registers & Grilles 165° standard * All sizesh3. 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