Preferred™ Series Small Bypass Humidifier Model HUMBBSBP

Perfect for smaller homes, this 12 gallon per day bypass humidifier adds moisture to dry, indoor air with an assist from your heating and cooling system’s blower fan. As a result, you can enjoy relief from common dry-air discomforts such as static electricity, skin dryness, sore throats and dry sinuses.


  • Water Vapor Output: 12 gal./day
  • Sound: Nearly silent
  • Capacity: 12 gallons per day


  • Furnace or fan coil dependent dispersal
  • Solenoid valve and water distribution system
  • Large or small capacity models available
  • Treated aluminum or water-saving paper evaporator pad models available
  • Front-facing, easy-access door
  • Nearly silent operation
  • Use with any type of cooling system
  • 10-year parts limited warranty upon timely registration1
1To the original owner, when product is used in an owner-occupied residence, a 10-year parts limited warranty upon timely registration of your new equipment. Warranty period is 5 years if not registered within 90 days. Jurisdictions where warranty benefits cannot be conditioned on registration will automatically receive a 10-year parts limited warranty. See warranty certificate for complete details.



Capacity 12 gallons per day
Sound Nearly silent



Dispersal Uses blower from furnace or fan coil
Damper Built-in bypass
Evaporator Pad Treated, expanded aluminum
Compatible controls Evolution ® control, Preferred™ Thermidistat™ or separate humidifier control



Installation Can be mounted onto units installed in upflow, downflow or horizontal positions
Electrical 24V powered by furnace or fan coil



Outer casing Taupe color on UV-resistant thermoplastic matches Bryant furnace and fan coils
Dimensions 13″H x 14″W x 10.25″D


Bryant reserves the right to discontinue or change any specification or design without prior notice or obligation.


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