Installation | 12
Mounting with Keyholes
1 The NHTC Series humidifier is wall mounted using keyholes located on the back of the unit’s
cabinetry.
2 Use #12 x 3 in. (7.5 cm) screws mounted into 2x4 studs or better. 2 screws are needed for a
single unit (NHTC 010 to 100). 3 screws are needed for a double unit (NHTC 150 to 200).
3 Keyholes are spaced 16 in. (40.6 cm) apart center to center for large units and 10.7 in.
(27.2 cm) apart for small units. Insert screws into the studs until there is 1/4 in. of screw
exposed. Be sure the screws are level to each other.
4 Raise the unit and place the screws through the keyholes. Make sure the unit is level then
tighten the screws to secure the unit in place.
5 Place L Shaped brackets on top of the unit, with holes inline with the studs. Using the
appropriate sized wood screw fasten the “L” brackets to the studs securing the unit from
any upward motion. See Figure 6: Mounting With Keyholes.
Figure 6: Mounting With Keyholes
Note: Use screws longer than 3/4” (7.5 cm) if drywall or other spacer is present.
B
A
Install “L” bracket
after hanging
humidifier
#12 x 3 in. (7.5 cm)
Wood Screws
Insert screws so that
1/4 in. (6 mm) exposed,
hang unit, tighten
screws.
Unit Size Screws Dim A in (cm). Dim B in. (Cm)
5-30 2 10.7 (27.2) -
50-100 2 16 (40.6) -
150-200 3 16 (40.6) 16 (40.6)
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