If installing the humidifier directly to the supply duct, follow steps on pages 5–6 and 13–18.
If mounting remote from the duct, follow steps on pages 7–18.
may be hot.
Ensure drain out-
let not exposed.
Install duct nozzle.
Ensure o-ring gasket
is properly seated in
Choose a location that has access to a:
• Drain allowing a slope of 1/4 in.
per foot of drain hose.
• Cold water line.
• Electrical circuit rated to your
• Vertical surface with adequate
Hot water temperature above 120°F (49°C)
can cause burns from scalding.
duCT mounT InsTallaTIon
TrueSTEAM Humidification System
Insert nozzle and twist clock-
wise to ensure tight seal of
nozzle to TrueSTEAM.