We maintain the lowest price on the web for this item! If you find a legitimately lower advertised price on this item (including S&H), Click Here to contact our Sales Department so we can beat the price.

Add the new Aprilaire 600 Humidifier Annual Maintenance Kit to your order! This convenient kit gives you all the parts you need to maintain your Aprilaire 600 humidifier each year and keep it running in like-new factory condition.

The Aprilaire 600M Humidifier is one of eight updated humidifier models from Aprilaire. The Aprilaire 600 Humidifier is recognized as the best manual bypass humidifier on the market, and the model 600M features an updated manual humidity control.

The Aprilaire 600M humidifier can humidify a tightly-constructed home of up to 4,000 square feet and includes an initial Aprilaire water panel. The bypass damper is conveniently labeled for winter and summer settings.

Installation and Operating Manuals:
Click Here for Detailed Aprilaire 600M Humidifier Installation Instructions

Click Here for the Aprilaire Humidifier Owners Manual

Aprilaire Humidification Facts For Total Indoor Air Comfort

*Click Here for our Same Day Shipping Policy

• Features the same performance benefits of other Aprilaire Humidifiers
• Delivers up to 50% more moisture in comparison to competitive units
• Has an evaporation capacity of 0.70 gallons per hour
• Humidifies tightly-constructed homes up to 4,000 square feet in size