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The Aprilaire Model 350 Humidifier is designed specifically for homes with radiators or baseboard heating systems. The Model 350 is a completely self-contained unit that's designed to be hung from the floor joists in a basement.

Ductwork is connected from the humidifier to a floor vent in a central location of the home. The humidified air is then distributed to the home through this ductwork.

  • Fits easily inside closets, heated crawl spaces and basements.
  • Humidifies tightly constructed homes up to 3,000 square feet in size.
  • Has an evaporative capacity of 0.50 gallons per hour.
  • Requires hot water, electricity and access to a drain.
  • Includes manual humidistat control that must be installed in the living area.
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