Install Instructions
Accessories
Ultra-Aire Sentry 4037220
Washable Filter 4037714
Washable Filter 6-Pack 4039155
Surface Mount Kit 4037766
2x4 Wall Mounting Bezel Kit 4037767
Rear Panel Kit 4037768
Ultra-Aire™ Dehumidifiers
are specifically designed for
professional HVAC installation
and deliver the ultimate in
indoor air quality and comfort.
2
x 6 In-Wall Installation
The UltraMD33 dehumidifier is placed into the
wall opening.
Wall opening measures 14 ½" wide by 30 ¼"
tall. Only one side of the wall will be cut to
make the opening.
Dehumidifier is secured to the wall using #10
wood screws.
Electrical wiring can run through knock out on
back of dehumidifier or knock out on bottom
of dehumidifier, depending on application.
Electrical wiring can be hard-wired or connected
to a standard 120V outlet with the included 10'
power cord.
Drain hose can run through knock outs on
back, side, or bottom of dehumidifier,
depending on application.
The power and drain connections can be
contained within the wall cavity if the
dehumidifier is installed after new construction.
Diffuser cover is secured to the dehumidifier
using either Phillips screws or Tamper Resistant
screws.
2
x 4 Through the Wall Installation
The UltraMD33 dehumidifier is placed into the
wall opening.
Wall opening measures 14 ½" wide by 30 ¼"
tall. Both sides of the wall will be cut through.
Dehumidifier is secured to the wall using #10
wood screws.
Electrical wiring can run through knock out on
back of dehumidifier or knock out on bottom
of dehumidifier, depending on application.
Electrical wiring can be hard-wired or connected
to a standard 120V outlet with the included 10'
power cord.
Drain hose can run through knock outs on
back, side, or bottom of dehumidifier,
depending on application.
Diffuser cover is secured to the dehumidifier
using either Phillips screws or Tamper Resistant
screws.
Wall Mounting Bezel Kit or Rear Panel Kit are
recommended with this type of installation.
4/4/19 Specifications are subject to change without notice. (800) 533-7533 | WWW.ULTRA-AIRE.COM
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2x4
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