Volume Damper Low-Leak OBD 3000-0BDLL-30X16 T-Bar Installation Instructions * UL approved

Installation Instructions * UL approved installation instructions

Extruded aluminum frame with signature line marks

Tool operated Opposed Blade Damper

53% free area * 1306: 3/4" lattice opening

INSTALLATION INSTRUCTIONS

Volume Damper Low-Leak OBD 3000-0BDLL-30X16 T-Bar Installation Instructions * UL approvedh3. Standard Features * Opposed blade operation for precise volume control * 16 gauge galvanized channel frame * Blades are vee 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.