• Can be installed in a furnace room without a drain.
• Capable of humidifying a large area.
• Small footprint, light weight and reversible
components allow easy mounting on either warm air
supply or return air duct of any forced air furnace.
• Minimal amount of water and electricity needed for
operation, saving the homeowner money.
• Unique snap-lock fittings and reversible components
allow quick installation and maintenance.
• Interior components designed for easy clean up
or replacement.
APPLICATION
The HE120A,B By-Pass Drum Humidifier uses the warm air
furnace blower to provide humidification for the whole house.
The HE120A,B works with virtually any Honeywell humidity
control, but use the Honeywell Perfect Climate Comfort
Center™ control for optimal performance.
• Durable thermoplastic cabinet resists rust, corrosion
and warpage.
• Includes easy-to-use humidity control that mounts on
the wall or duct for more installation flexibility.
•Perfect Climate Comfort Center™ control can be
installed to replace both the thermostat and humidity
control for improved aesthetics and convenience.
• Optional Automatic Flushing Timer can be used to
reduce the frequency of maintenance. A drain is
required if the timer is installed.
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number.
If you have additional questions, need further information, or would like to comment on our products or services, please write or
phone:
1.Your local Home and Building Control Sales Office (check white pages of your phone directory).
2.Home and Building Control Customer Logistics
Honeywell Inc., 1985 Douglas Drive North
Minneapolis, Minnesota 55422-4386
In Canada—Honeywell Limited/Honeywell Limitée, 35 Dynamic Drive, Scarborough, Ontario M1V 4Z9.
International Sales and Service Offices in all principal cities of the world. Manufacturing in Australia, Canada, Finland, France,
Germany, Japan, Mexico, Netherlands, Spain, Taiwan, United Kingdom, U.S.A.
68-0190–3
2
HE120A,B BY-PASS DRUM HUMIDIFIER
INSTALLATION
WARNING
Electrocution and Chemical Hazard.
Can cause death or blindness.
Do not cut or drill into any air conditioning line or
electrical accessory.
CAUTION
Freezing Water Hazard.
Can result in water damage to property.
Locate the humidifier where the ambient temperature is
between 32°F and 180°F (0°C and 82°C).
IMPORTANT
To assure optimal product performance, be sure the
template is level before marking location.
1. Determine the best location for the humidifier and draw a
level line on the duct. See Fig. 2 for humidifier
components.
HORIZONTAL
COVER
HUMIDIFIER HOUSING
WATER PAN
WATER VALVE OPENING
BEARING END OF
DRUM SHAFT
DRUM
ASSEMBLY
M12252
Fig. 3. Humidifier components.
9. On the inside of the humidifier housing where the by-
pass tube connects, snap the bearing bracket into place
with the U shape of the bracket pointing up.
10. Snap the motor plate into place on the opposite side of