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Filtered supply wall housings are available in seven sizes
for fans ranging from size 24 to 54 inches (610 to 1372 mm).
They are designed with the draw-thru concept to achieve the
highest filter and fan efficiencies.
Standard construction is galvanized steel (painted steel
optional). Mounting flanges are factory installed for either flush
exterior or flush interior. Permanent 2 inch (51 mm) washable
filters are accessed through a bolted panel and can be easily
removed for cleaning.
All accessory items available with the standard wall housing can be used with the filtered supply wall housing.
Size A B C Wall Opening Filter Size & Quantity
24 32
1
⁄4 (819) 63 (1600) 24 (610) 33
3
⁄4 (857) (4) 23
1
⁄4 (591) x 16
1
⁄4 (413)
30 38
1
⁄4 (972) 65 (1651) 26 (660) 39
3
⁄4 (1010) (4) 24
5
⁄8 (625) x 19
1
⁄4 (489)
36 44
1
⁄4 (1124) 67
1
⁄4 (1708) 28
1
⁄4 (718) 45
3
⁄4 (1162) (6) 23
1
⁄4 (591) x 22
1
⁄8 (562)
42 50
1
⁄8 (1273) 72
7
⁄8 (1851) 34 (864) 51
3
⁄4 (1314) (6) 24
1
⁄8 (613) x 25
1
⁄8 (638)
48 56
1
⁄8 (1426) 72
7
⁄8 (1851) 34 (864) 57
3
⁄4 (1467) (12) 23
1
⁄4 (591) x 18
3
⁄4 (476)
54 62
3
⁄8 (1584) 79
11
⁄16 (2024) 40
11
⁄16 (1033) 63
3
⁄4 (1619) (12) 23
1
⁄4 (591) x 20
3
⁄4 (527)
Filters are 2 in (51 mm) nominal thickness. Above filter sizes are actual dimensions. All dimensions given in
inches (mm).
Wall
INTERIOR EXTERIOR
Closure Angles
Mounting
Angles
Diffusers - Wall Housing Mounted - Manual Operator
Diffusers are constructed with heavy gauge galvanized steel frames,
blades and prepunched mounting flanges. They are designed to mount to
the interior end of the wall housing when used in the supply configuration.
Manual quadrants set the angle of the blades to deflect air in 1, 2 or 4
directions.
Closure Angles
An extra set of mounting flanges is available for field installation to close
off the interior wall opening for a finished appearance.
Notes:
1. Additional bracing (by others) above or below the
housing is required for support of the filtered supply
wall housing.
Attach at least two supports (either vertical or angled)
to the end of housing.
Vertical supports must carry 500# minimum per
support, and angled (45°) supports a minimum of 750#
per support.
2. Filtered supply wall housing, fan damper and guards
ship completely factory assembled. Weatherhood
ships loose.
Filtered Supply Wall Housing
Mounting Options
Weatherhood
Weatherhoods shield wall openings and dampers from rain and snow. Weatherhoods are
shipped unassembled in kit form for field assembly. Construction is of galvanized steel with
wire mesh birdscreen. Mounting flanges have prepunched mounting holes. 45° turn down is for
exhaust and 90° turn down is for exhaust and supply. Options include aluminum construction,
insect screen and painted finish.
Damper Guard
Damper guards meet the OSHA requirements completely enclose the damper or wall openings
on the discharge side of the fan. They are constructed of expanded galvanized steel screen in
galvanized steel frames. Mounting flanges have prepunched mounting holes. Options include
aluminum construction and painted finish.
Dampers
Used alone or in conjunction with the wall housing or wall collar, a complete line of dampers is
available for exhaust or supply configurations
FILTERED SUPPLY FAN in Wall Housing with Filter
Bank, Gravity Damper and Weatherhood
Note: This chart is for manual
calculations only. CAPS has
filter losses built into the
selection tool when the filtered
housing option is selected.