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 in, 6 in, 7 in and 8 in ducts.
$168.06
each
6 In Stock
or for lower prices and free shipping.
Easy slide-in installation
2.5 VA allows for many dampers on one zone
Available in 4 sizes to fit most rigid round branch ducts
Quiet, long life motor automatically shuts itself off in full open and closed positions
GGaskets around blade and under motor housing for low internal leakage and very low external leakage
Range stops with easy adjustments from top of motor
Easy-to see and reliable mechanical blade position indicator
Easy-to hood up with conventional thermostat wire
Simple manual blade positioning with push button gear release
Motor or actuators mounting - direct connection to damper shaft