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  Home > Humidifiers & Parts >

  Aprilaire 400 Drainless Automatic Bypass Humidifier (Digital Control)

Aprilaire 400
Aprilaire 400 Humidifier - Y0658


 
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Description
 
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Special Same Day* Ground Shipping On The Aprilaire 400 Humidifier!

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.

Type: Drainless Bypass
Evaporative Capacity: 17 gal/day
Humidistat: Automatic Digital

Dimensions
Width: 15-3/8"
Height: 15-3/4"
Depth: 10-1/4"

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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!

Furnished Materials:
Built-in bypass damper
24 VAC Transformer
Automatic Digital Humidifier Control (Humidistat)
Remote temperature sensor
Saddle valve
One #45 Water Panel
Humidifier installation template
Installation instructions

Not Furnished Materials:
Mounting screws (sheet metal screws)
Water supply line (1/4" copper)
Drain line (1/2" I.D. hose)
Low voltage wire (thermostat wire) for remote temperature sensor (length depends on sensor location)
Bypass ductwork
Model 50 Current Sensing Relay (if required)

Click Here to read our Aprilaire 400 Product Review

Installation and Operating Manuals:
Click Here for Detailed Aprilaire 400 Humidifier Installation Instructions

Click Here for the Aprilaire Humidifier Owners Manual

Aprilaire Humidification Facts For Total Indoor Air Comfort



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Features
  • Features the #60 truly automatic control
  • Eliminates standing water, making it the perfect choice for homes with septic systems, locations where a floor drain is not available or families interested in water conservation
  • Has an evaporation capacity of 0.70 gallons per hour
  • Humidifies tightly-constructed homes up to a 4,000 square foot in size.

Average Customer Review: Based on 2 reviewsWrite a review.

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  1 of 1 people found the following review helpful:
 
my review on humidifier June 8, 2009
Reviewer: gerald bellas from villas, NJ United States  
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 problems we had. the price of the unit was the best i could find searching the web. will check with discount furnace with anything else that i might need in the future. thankyou

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  1 of 1 people found the following review helpful:
 
Excellent Unit - No Drain Required June 8, 2009
Reviewer: LAM from Saylorsburg, PA United States  
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 discountfurnacefilter.com because of price, recommendations from other, and the useful information on their site.

Installation was easy - cutting into the existing duct work was the hardest part for me, but if you have some skills in this area it will be a piece of cake.  The unit can mount on either the hot or cold side.  

The automatic nature of this unit is awesome!  The exterior temperature sensor means that the unit knows to lower/raise the amount of humidity intelligently without creating harmful condensation (which is visible on your windows, but invisible and very harmful within your walls!!!!!!).  The electronic controls are great and the included damper with clear markings for winter and summer usage make this a complete package.

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