Product Description
The Aprilaire 400M bypass humidifier can humidify a tightly constructed home of up to 4,000 square feet. The Aprilaire 400M Humidifier features a unique water-conserving design that does not require a drain line.
Type: Drainless Bypass
Evaporative Capacity: 17 gal/day
Humidistat: Manual
Add the Aprilaire 4788 Humidifier Annual Maintenance Kit to your order! This convenient kit gives you all the parts you need to maintain your Aprilaire 400M humidifier each year and keep it running in like-new factory condition.
The Aprilaire 400M Humidifier includes a built-in bypass damper that is conveniently labeled for winter and summer settings.
The Aprilaire 400M comes complete with the Aprilaire non-digital humidity control, one Aprilaire water panel, saddle valve, 24V transformer, and installation instructions from Aprilaire!
If you have any questions regarding this product please feel free to email support@DiscountFurnaceFilter.com or call 1-888-623-4678 and one of our knowledgeable Customer Experience Representatives will be happy to help.
FAST SHIPPING
Orders placed by 5 PM EST typically ship the same day so your filters arrive fast and ready to use. We carry all popular sizes and offer free shipping on purchases over $50, making it easy to keep clean air flowing and your system running smoothly.
Learn moreHERITAGE
For over seven decades our family has been dedicated to helping homeowners breathe easier. What began as a small-town HVAC shop has grown into a trusted online destination for quality air filters and supplies, still driven by the same care and values that started it all.
Learn moreQUALITY
We offer filters and home comfort essentials from trusted names like Lennox, Honeywell, Filtrete, and Aprilaire. Each order is packed with care and delivered fast. With Discount Furnace Filter you can expect top brands, responsive support, and better air for your home.
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