The Aprilaire Model 700 Whole-House Humidifier features truly automatic control, so there's never a need to manually control the humidifier—though it can be installed in manual mode, if desired. Please be aware that the model code 700A is no longer used. Aprilaire has renamed the unit to 700. The new Aprilaire 700 Whole-House Bypass humidifier replaces the older 700A. The 700A is no longer available. * The 700 is for vertical use ONLY. This unit can NOT be used with horizontal applications.
Complementing any central heating and cooling system, the Aprilaire Model 700 Whole-House Humidifier: 
- Utilizes an outdoor temperature sensor for monitoring even the slightest changes in outdoor temperature
- Delivers up to 50% more moisture in comparison to competitive units
- Has an evaporation capacity of 0.75 gallons per hour—among the highest capacity humidifiers sold
- Humidifies tightly-constructed homes up to 4,200 square feet in size
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The air inside your home is drier than you think
 Heating your home dries out the air. The resulting dry air absorbs moisture from you and everything inside your home. Even newer, tighter built homes will succumb to the negative effects of air that is too dry.
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Product Features:
- 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
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Aprilaire Humidifier Specifications: |
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SQ. FT. AREA* (air changes/hr.) |
A. UNIT SIZE (inches) B. PLENUM OPENING (inches) |
WATER FEED RATE |
ELECTRICAL DATA |
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Model 700 Power Humidifier |
1,050 loose house (2) 2,100 average house (1) 4,200 tight house (1/2) |
A. 15-29/32W x 18H x 10-11/32D B. 14-3/4W x 14-5/16H |
6 gph |
120V - 60Hz 0.8 AMP |
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Model 600 Bypass Humidifier |
1,000 loose house (2) 2,000 average house (1) 4,000 tight house (1/2) |
A. 15-3/8W x 15-3/4H x 10-1/4D 6" dia. round opening B. 9-7/8W x 12-5/8H |
3 gph |
24V - 60Hz 0.5 AMP |
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The Digital Control provides accurate information and automatically delivers proper humidity levels continually; regardless of temperature or conditions.
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Know your relative humidity - Backlit display provides the current humidity level in your home.
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Know when your system is running - The green light clearly indicates that your humidifier is up, running and protecting your home, comfort and health.
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Know when to replace the water panel - The "smart" feature measures usage of your water panel, rather than simply relying on the calendar. The yellow light lets you know when it's time for replacement.
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Know immediately when service is needed - In the unlikely event that there is a issue the red clearly indicates that there is a problem, while the digital display provides the service code that your dealer can use to isolate the problem saving time and money.
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Turn on the HVAC blower for humidification
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Failure to have this unit professionally installed will void the warranty. There will be no exceptions to this policy. Improper installation of this unit will result in injury or death. This is a gas appliance which can cause great harm to you or your family if installed improperly. We make no claims regarding local building codes or approvals.
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Get green with greater comfort from Aprilaire Whether you’re updating your home to be more healthy, energy-efficient and sustainable or you’re building a new green-certified home, Aprilaire offers a complete line of innovative products designed to improve the quality of indoor air. Whole-house humidifiers help prevent premature aging of your home’s structure, provide optimum comfort and can protect respiratory systems against viruses and bacteria. Humidity control helps qualify your home for the Green-Built Certification Program of the National Association of Home Builders.
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