PRODUCT DATA/OWNER’S GUIDE
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HE440A, HE480A
Steam Power Humidifier
APPLICATION
HE440A, HE480A Steam Power Humidifiers use a thermal fan
interlock control to provide whole house humidification on
demand. A two-stage water treatment system keeps the
reservoir clean, maintains operation and reduces mainten-
ance. Steam power humidifiers work with furnaces, heat
pumps, setback thermostats and virtually any Honeywell
humidity control. Use the Honeywell H1008 Automatic
Humidity Control for optimal performance.
FEATURES
• Humidifies the air without a call for heat from the
thermostat so relative humidity fluctuates less,
optimizing homeowner comfort.
• Two-stage water treatment system keeps reservoir
clean; maintains operation and reduces maintenance.
• Low water cut-off switch, built-in overflow and thermal
cut-off switch protection are integral safety features.
• Capable of humidifying a large area.
• Ideal for homes with extensive woodwork, hardwood
floors, antiques, oil paintings, leather furniture, pianos,
and fine collectibles.
• Compact size allows easy installation.
• Includes easy-to-use humidity control that mounts on
the wall or duct for more installation flexibility.
Application/Features..........................................................1
Specifications ....................................................................2
Ordering Information .........................................................2
Installation .........................................................................3
Wiring ................................................................................5
Plumbing ...........................................................................7
Operation...........................................................................7
Maintenance......................................................................8
Checkout/Troubleshooting.................................................9
Replacement Parts............................................................11
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