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 400 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.
With over 60 years of HVAC expertise, DiscountFurnaceFilter.com has built a trusted reputation by offering genuine OEM products from top brands like Lennox, Aprilaire, Honeywell, and more. Founded in 2005 by Will Housh, a third-generation HVAC professional, our mission blends family values with exceptional service. With nationwide shipping and a focus on quality, we help homeowners across the country maintain healthy, efficient homes with top-notch products at great prices.
