Parallel Volume Damper Low Leak 3000PLL-24X30 Residential Registers & Grilles 104 - four way *

104 - four way * 2x2 galvaneal steel panel with seismic support holes * Square to round No Labor Collar * Soft White Options * 104 D - steel multi-shutter damper * 104 O - steel opposed blade damper * 104 FR

425 Series Submittal

listed Fire-Resistance Diffusers * TVB - Thermal Vapor Blanket * Square collar

Use for applications with round ductwork to create a clean and easy to install finish for your round registers or diffusers

Nylon bushings on adjustable blades prevent metal on metal rattle

Parallel Volume Damper Low Leak 3000PLL-24X30 Residential Registers & Grilles 104 - four way *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