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- The FAMCO ADO Motorized HVAC Damper - Normally Opened is normally opened with a power close and spring return motor assembly. The ADO is made with 24 volt or 120 volt motors. End switches are available with all models. End switches allow another appliance to be operated when the damper has reached its full power (either open or closed). The floating motor mount assures proper alignment of motor, shaft and damper to prevent binding, while the clutch/coupler reduces the number of moving parts for greater service life. All units without the end switch come with a flow control adjustment so that the damper blade can be blocked from opening or closing 100%. (Note: the end switch will not work if the flow control adjustment is preventing the damper from reaching it's full potential.) This product is not rated for use in dryer ventilation, as it could trap lint and pose a fire risk. Quality constructed in 28 gauge Galvanized steel.
- Tight seal provides positive closure
- Adjustable flow control standard
- Damper Size6 inDomestic / ImportDomesticTypeSpring ReturnVoltage Rating120 VDimensions10 in L x 6 in Diagauge28ManufacturerFresh Air Manufacturing Co.Manufacturer #ADO6120MaterialGalvanized SteelSeriesADOShapeRoundSpecificationsNormally Open