Description: This multi-blade balancing damper is constructed of heavy-gauge galvanized steel. It is rated for pressure differential up to 4 inches of water column and velocities up to 2,000 feet per minute. Ideal applications include places where it is difficult to gain access to manually adjust the damper for balance and airflow. Available in sizes up to 48 inches in width and height, the unit is operated with a hand-held controller from an access point at a diffuser or wall plate. No permanent electrical power is required.
Contact: 715-359-6171; www.greenheck.com; eProduct 184