Model 440 Series Parts
The Model 440 was first introduced in 1971. This is a "bypass" humidifier. The Model 440 was in production until 1996. The replacement bypass humidifier for this model is the Model 600 or 600M.
4232 Blue Orifice
Model numbers 350, 360, 440, 700, 700A, 700M, 760, 760A, and 768.
This is the tiny nylon component which accurately meters the flow of water into your humidifier. It allows a specific amount of water to go into the...
9960 Weather Station
9960
Digital Weather Station. Operates on one AAA battery. Displays current temperature and relative humidity. Displays in Celsius or Fah...
Purchase any Humidifier water panel or maintenance kit and receive a free weather station. Promotion is for new orders placed between February 1st and February 29th, 2012.
4004 In Line Strainer
All Models except 350, 360, 445, 445A, 448, 110 and 112
The In-Line Strainer is a tiny strainer that fits in the inlet fitting of the water solenoid valve which allows water to enter your humidifier....
4079 Feed Tube & Nozzle - For Models 350, 360 & 440
Models 350, 360, and 440
This is the water feed tube which attaches to the outlet side of the solenoid valve. It then slides into a nozzle (part number 4184) which attache...
4040 24 Volt Solenoid Valve
The solenoid valve allows water to come into your humidifier. This valve can be used on all Aprilaire humidifiers ...
4081 Water Distribution Tray - For Models 440, 445, 445A & 448
Model 440, 445, 445A and 448
These are the water distribution trays which distribute water evenly to all portions of the evaporative panel. They attach to the u-shaped scale c...
Part # 12 Water Panel Evaporator
Fits Models 440, 445, 445A, 448, 112 and 224.
Water Panel Evaporators are the heart of your humidifier and the component which generates the important humidity to keep you comfortable during the h...
Purchase any Humidifier water panel or maintenance kit and receive a free weather station. Promotion is for new orders placed between February 1st and February 29th, 2012.



