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The Aprilaire 400 bypass humidifier can humidify a tightly-constructed home of up to 4,000 square feet. The Aprilaire 400 Humidifier features a unique water-conserving design that does not require a drain line. The digital humidistat automatically adjusts the humidity level as outside temperatures change.
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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 400 Humidifier includes a built-in bypass damper that is conveniently labeled for winter and summer settings. The Aprilaire 400 comes complete with the new #60 Aprilaire digital humidity control, one Aprilaire water panel, outdoor temperature sensor, saddle valve, 24V transformer, and installation instructions from Aprilaire!
|Actual Gallons Per Day||17|
|Equipment Type||Whole House Humidifier|
|Gallons Per Day||15 - 20|
|Square Footage||4000 - 5000|
this unit was installed this winter to help my wife who has copd and me who was getting cracked nose bleeds and dry skin, also static electric. this unit solved the problems with a 90% effectiveness. would recomend this unit for anyone who has the problem
Before purchasing this unit I had a standalone house humidifier - but that was a hassle and did not work well.I purchased the Aprilaire 400 specifically because it does not need a drain - and thus also uses less water! I bought this from discountfurnac