Install Instructions
Manuals
Brands
Aprilaire Manuals
HVAC Supplies
Manual Humidifier Control
1
2
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10
7
SCREW
H
(x4)
INSIDE OF
RETURN
DUCT
GASKET
G
BASE PLATE
D
HUMIDISTAT SWITCH
C
COVER
B
KNOB
A
RETURN DUCT
Figure 2 – Sheet Metal Duct Mount
90-1229
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