Greenheck’s damper interactive selection guide removes the guesswork. Find blade type, velocity, pressure, AMCA listings, submittals, drawings and more, all in one easy-to-use format. Balancing dampers are control dampers that balance the flow of air in an HVAC system.

The FAMCO Manual Damper is an Airflow Control Damper that is designed to manually adjust the airflow within a centralized heating and cooling duct system so that airflow levels are equal throughout the system. Quality constructed from 26 gauge galvanized steel, the FAMCO Manual Damper is set via a lever with 9 Airflow settings, for up to 85% ...

What distinguishes automatic dampers from manual dampers? Automatic dampers are controlled by your thermostat or central control system. Manual dampers, on the other hand, must be adjusted by hand. This makes them a more cost-effective solution but also means you will have less control over the airflow in your system.

Shop Greenheck Manual Balancing Dampers. Identifying and ordering replacements parts for your Greenheck equipment is now easier then ever. Use our serial number search to ensure you're getting the right part!

Choose from our selection of manual dampers, including standard duct and fittings, quick-disconnect duct and fittings, and more. In stock and ready to ship.

Young Regulator Model 820ALP Opposed Blade Manual SLIP-IN Damper. Opposed Blade design distributes air evenly across the damper face. Reduces noise and turbulence when restricting airflow. Individual Synthetic Blade Bushings. Prevents blade pivot rattle; Frame / Blade - 0.50 Extruded Aluminum with Reinforcing Channels

The MD25 Manual Balancing Damper has a 3" frame. It features: Easy installation. Becomes part of the ductwork. Galvanized steel construction.

The MD35 Manual Balancing Damper has a 5" frame. It features: Non-stick, non-corrosive bearings that assure long damper life and ease of operation. Shake-proof, low maintenance linkage. Frame design that interlocks without bolts, screws or rivets and has internally braced corners to reduce racking.

Manual dampers work by the homeowner twisting a screw to regulate the airflow that goes into specific areas. On the other hand, motorized damper functions on its own, and motorized dampers are more convenient for homeowners with a programmed HVAC zoning system.

Arzel Zoning STK-BALR7 - 7" BalancePro Manual Round Damper- This item is a 7" BalancePro Manual Round Damper manufactured by Arzel Zoning. Balances airflow in existing HVAC systems based on the load calculation and measurements performed at each register or diffuser. Fully adjustable. To install, apply included template to ductwork, cut access hole, insert, and …