Aprilaire 1150 Installation, Operation And Maintenance Manual page 6

fIgURE 3 – Mounting Hole locations
Keyhole for 3/8" diameter fasteners (2)
fIgURE 4 – Distribution Tube Dimensions
MODEl 1150
14" Tube length
1 .50 (TYP)
10" Active dispersion length
1½" Diameter
dispersion tube
MODEl 1180
2" Diameter dispersion tube
6
4 .00"
0 .75"
(19 .0mm)
3/8" Flat washer
3/8" Lock washer
3/8-16 x ½" Hex head bolt
Molded tubelet with
3/16" orifice
29½" Tube length
1 .50 (TYP)
25½" Active dispersion length
bACKVIEw
16 .00" (406 .4mm)
MODEl 1160
1 .50 (TYP)
16" Active dispersion length
1½" Diameter
dispersion tube
Molded tubelet with ¼" orifice
20" Tube length
3/8" Flat washer
3/8" Lock washer
3/8-16 x ½" Hex head bolt
Molded tubelet
with ¼" orifice
3/8" Flat washer
3/8" Lock washer
3/8-16 x ½" Hex head bolt
90-914
90-912