Quick Installation and Setup

No Weight to Adjust

Can be Installed in any Orientation

Engineered to Provide Constant System Pressure Regardless of Changes in Zones Celling or Blower Speed

Quick Installation and Setup

No Weight to Adjust

Can be Installed in any Orientation

Engineered to Provide Constant System Pressure Regardless of Changes in Zones Celling or Blower Speed

Quick Installation and Setup

No Weight to Adjust

Can be Installed in any Orientation

Engineered to Provide Constant System Pressure Regardless of Changes in Zones Celling or Blower Speed

The RRD is a round damper that is easily inserted into rigid round ducts for retrofit zoning in forced air heating and cooling systems. This power open, power closed damper actuator is available in four sizes for 5 Inch, 6 Inch, 7 Inch and 8 Inch ducts

The RRD is a round damper that is easily inserted into rigid round ducts for retrofit zoning in forced air heating and cooling systems. This power open, power closed damper actuator is available in four sizes for 5 Inch, 6 Inch, 7 Inch and 8 Inch ducts

The RRD is a round damper that is easily inserted into rigid round ducts for retrofit zoning in forced air heating and cooling systems. This power open, power closed damper actuator is available in four sizes for 5 Inch, 6 Inch, 7 Inch and 8 Inch ducts

Easy Slide-In Installation

2.5 Volt Amp Allows for Many Dampers on One Zone

Quiet, Long Life Motor Automatically Shuts Itself Off in Full Open and Closed Positions

Gaskets Around Blade and Under Motor Housing for Low Internal Leakage and Very Low External Leakage

Range Stops with Easy Adjustment from Top of Motor

Easy to See and Reliable Mechanical Blade Position Indicator

Easy to Hook up with Conventional Thermostat Wire

Simple Manual Blade Positioning with Pushbutton Gear Release