![Aprilaire Model 600 Bypass Whole House Humidifier With Automatic Digital Humidifier Control - Walmart.com Aprilaire Model 600 Bypass Whole House Humidifier With Automatic Digital Humidifier Control - Walmart.com](https://i5.walmartimages.com/asr/d274f9bd-53d9-4e77-8e55-fc5c85c19b8d_1.71cf9d978e5c8a2ba2b9b977bf574d89.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)
Aprilaire Model 600 Bypass Whole House Humidifier With Automatic Digital Humidifier Control - Walmart.com
![The house I bought has an old furnace with this Aprilaire unit attached. I see it's a humidifier, but as far as I can tell its main purpose is to let AC The house I bought has an old furnace with this Aprilaire unit attached. I see it's a humidifier, but as far as I can tell its main purpose is to let AC](https://preview.redd.it/c6254pc7mpq71.jpg?width=640&crop=smart&auto=webp&s=befff76a2e7e7420e0260bfdf4fd2b195ec8502f)
The house I bought has an old furnace with this Aprilaire unit attached. I see it's a humidifier, but as far as I can tell its main purpose is to let AC
![Amazon.com: AprilAire 600 Whole-House Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White : Everything Else Amazon.com: AprilAire 600 Whole-House Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White : Everything Else](https://m.media-amazon.com/images/I/61q6PtyYpYL._AC_UF894,1000_QL80_.jpg)
Amazon.com: AprilAire 600 Whole-House Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White : Everything Else
![Amazon.com: Aprilaire 500 Whole Home Humidifier with Automatic Control + Bypass Humidifier Installation Kit, Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft. : Appliances Amazon.com: Aprilaire 500 Whole Home Humidifier with Automatic Control + Bypass Humidifier Installation Kit, Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft. : Appliances](https://m.media-amazon.com/images/I/71DmEPQPAkL.jpg)
Amazon.com: Aprilaire 500 Whole Home Humidifier with Automatic Control + Bypass Humidifier Installation Kit, Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft. : Appliances
![Amazon.com: Aprilaire 500M Whole Home Humidifier with Manual Control + Bypass Humidifier Installation Kit, Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft. : Appliances Amazon.com: Aprilaire 500M Whole Home Humidifier with Manual Control + Bypass Humidifier Installation Kit, Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft. : Appliances](https://m.media-amazon.com/images/I/71MS+TpMgXL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Aprilaire 500M Whole Home Humidifier with Manual Control + Bypass Humidifier Installation Kit, Compact Furnace Humidifier, Large Capacity Whole House Humidifier for Homes up to 3,000 Sq. Ft. : Appliances
![Amazon.com: AprilAire 600 Whole-House Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White : Everything Else Amazon.com: AprilAire 600 Whole-House Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White : Everything Else](https://m.media-amazon.com/images/I/61q6PtyYpYL.jpg)
Amazon.com: AprilAire 600 Whole-House Humidifier, Automatic High Output Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White : Everything Else
![AprilAire 400M Whole-House Humidifier - Manual - Large Capacity Water Saver Furnace Humidifier for Homes up to 4,000 Sq. Ft. - Walmart.com AprilAire 400M Whole-House Humidifier - Manual - Large Capacity Water Saver Furnace Humidifier for Homes up to 4,000 Sq. Ft. - Walmart.com](https://i5.walmartimages.com/asr/8bf73083-c80f-4531-81cb-9db57cc1f595.0a4a6a69ee99f429c6d8144b53821b32.jpeg?odnHeight=768&odnWidth=768&odnBg=FFFFFF)