VariGreen Remote Speed Controller 385803

Model G, direct drive centrifugal roof exhaust fans provide the industry's best performace and durability for general clean air applications where air is discharged downward, toward the roof. Units feature the most advanced motor cooling of any fan in its class.

• Energy-efficient, speed controllable, Vari-green® motor
• 17 x 17 inch base with prepunched mounting holes for easy attachment to roof curb
• 13.5 x 13.5 inch recommended roof opening

The WD-100 series are horizontally mounted backdraft dampers designed to allow vertical airflow up and prevent reverse airflow. The dampers are opened by air pressure differential (assisted by springs) and closed by gravity. The damper features a flangeless, galvanized steel frame and aluminum blades.

• Width and height furnished approximately 0.125 in. under size

GPI roof curbs are designed for flat, insulated or non-insulated roof decks. Constructed of 18 gauge galvanized steel and fully formed on three sides with a single, fully welded seam.

• Designed to fit 17" roof curb cap
• 2-inch mounting flange
• Rigid, fiberglass insulation
• Welded, straight-sided construction