Parallel Volume Damper Low Leak 3000PLL-42X16 Accessories Standard Features * 2633 -

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

One-piece removable slide damper for off-season closure

165° replaceable fusible link

102 P - two way

Parallel Volume Damper Low Leak 3000PLL-42X16 Accessories Standard Features * 2633 -h3. 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