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CONSTRUCTION DETAILS
HOUSING:
Constructed of heavy gauge galvanized steel welded and bolted to make a
rigid unit of industrial quality. Removable side panel provides access
to fan motor and shutter.
FAN
The high performance propeller mounted in a deep spun orifice provides a
high efficiency unit. Unitized construction is used throughout. Heavy
duty oversized ball bearings assure long life.
MOTOR
The motor is a heavy duty totally enclosed type with ball bearings and is
designed for continuous operation.
FACTORY WIRED
Factory wiring offers big savings in installation time and costs. Fan and
50% recirculating shutter motor are factory wired with flexible conduit
to an outside junction box. (100% recirculation shutter available).
Download Fan Specifications (PDF file)
MAKE UP AIR FANS DIMENSIONS AND ACCESSORIES
OPTIONAL
MOTORIZED LOUVERS TO RECIRCULATE INSIDE AIR
|
Model |
A |
B |
B2 |
C |
D |
|
MAF
18 |
23" |
18" |
34" |
18
3/4" |
15" |
|
MAF
26 |
32" |
32" |
44" |
26
3/4" |
15" |
|
MAF
32 |
38" |
38" |
49" |
32
3/4" |
15" |
|
MAF
38 |
44" |
44" |
55" |
38
3/4" |
15" |
|
MAF
44 |
50" |
50" |
67" |
44
3/4" |
30" |
|
MAF
50 |
56" |
56" |
79" |
50
3/4" |
30" |
|
MAF
56 |
62" |
62" |
85" |
56
3/4" |
30" |
|
MAF
62 |
68" |
68" |
97" |
62
3/4" |
30" |
Dimension B2 is for a full size recirculating shutter.
WALL WEATHER HOODS
Designed to reduce the entrance of rain or snow into the tube vent
system. Constructed of galvanized steel and furnished with bird
screen and mounting flanges.
| Model |
A |
B |
C |
| WH 18 |
45" |
30" |
30" |
| WH 26 |
51" |
42" |
36" |
| WH 32 |
60" |
42" |
36" |
| WH 38 |
72" |
58" |
45" |
| WH 44 |
117" |
58" |
45" |
| WH 50 |
126" |
58" |
45" |
| WH 56 |
144" |
74" |
59" |
| WH 62 |
160" |
74" |
59" |
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