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          Model 600           Model 700      
         500 Series                600 Series                  700 Series                    400 Series
It is important to use genunie Aprilaire replacement parts.  You can easily make your unit like new when you buy a "maintenance kit".  The maintenance kit has everything you need (water panel, scale control insert, water distribution tray, drain connector and more)
Aprilaire 400 Series Replacement Parts
Model 440/445 Aprilaire By-pass Humidifier
Aprilaire 500 Series Replacement Parts
Aprilaire 550 Series By Pass Humidifiers
Aprilaire 560 Series By Pass Humidifiers
Apilaire 600 Series Replacement Parts
Aprilaire 700 Series Replacement Parts
Aprilaire Water Panels should be replaced once a year, with the exception of the 45 Water Panel should be replace 2 times a year.
Aprilaire Humidifier Maintenance Kits
Aprilaire 110 and 112 Series Humidifier
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WE ACCEPT: DISCOVER, MASTER CARD, VISA, AMERICAN EXPRESS AND PAYPAL When you buy from us you can rest assured that the replacement filters and parts are "Genuine" Aprilaire products - the only kind recommended by Aprilaire.