The Aprilaire 4091 has been discontinued by the manufacturer and is no longer available.
The Aprilaire 4091 is a compatible part for the following humidifier models:
The Aprilaire Humidifier Hose and Nozzle 4091 is a replacement hose and nozzle for several Aprilaire humidifier models, including the 445, 445A, and 448. The water feed tube in this unit attaches to the outer side of the solenoid valve and then slides into a nozzle for attachment to the water distribution tray at the top of the humidifier. The water distribution tray then attaches to the scale control insert which encases the water panel evaporator.
The Aprilaire 4091 is made of high quality material that is built to last. With this Aprilaire Hose and Nozzle you will have your humidifier running at its optimal factory settings and maintaining the proper indoor air quality.
Aprilaire Humidifier Hose and Nozzle 4091 specifications: