The GeneralAire 747L Duct-Mount Humidifier is an outstanding choice for humidification. Heated air in the system duct absorbs moisture as it passes across and through a water-soaked, drum-mounted evaporator sleeve on its way to the living area. The drum-mounted evaporator sleeve picks up moisture as it slowly rotates in a water reservoir. A float valve controls the level of water in the reservoir. Application: Perfect choice when plenum mount is not possible. Drum-type humidifier mounts in any 16" wide horiz. warm air duct. (May be installed in 12" duct; output reduced.)

• A compact unit that mounts in the warm air supply duct when bypass or flow through installations aren’t possible. Delivers 16 GPD.
• Equipped with a built-in humidity control.
• Replacement evaporator sleeve part number 727-12