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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
Standard Features 1” rim size (2” larger than nominal duct size / order size) 14 gauge steel construction Countersunk mounting holes for a flush appearance 1-27/32” Wide x 11/32” High slots on staggered centers
UL listed and tested in accordance with UL Standard 555
Designer Color
Nylon bushings for easy adjustment and quiet setting of blades running parallel to shortest dimension
Parallel Volume Damper Low Leak 3000PLL-38X18 Smoke-Fire Damper Standard Features 1” rim sizeh3. 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
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