Wall Collar Mounting Option
Wall collars offer an alternate method for mounting sidewall propeller fans and the optional accessories shown here. Standard construction is of galvanized steel (painted steel is optional) with heavy gauge mounting flanges and 
W.O. A
DF
G* 
B
C | E |
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| Wall Collar |
| Damper Guard |
| Weatherhood |
| Motor Side |
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Size |
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| A | B** | W.O. | C | D | E |
| F |
| Width |
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| G* |
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8 | 127⁄8 (327) | 161⁄8 (410) | 141⁄4 (362) | 51⁄2 (140) | 101⁄4 (260) | 131⁄4 (337) |
| 111⁄4 (286) |
| 101⁄2 (267) | 85⁄8 (219) | 10 (254) | |||
10 | 147⁄8 (378) | 161⁄8 (410) | 161⁄4 (413) | 61⁄2 (165) | 121⁄4 (311) | 147⁄8 (378) |
| 133⁄8 (340) |
| 121⁄2 (318) | 9 | (229) | 12 (305) | ||
12 | 177⁄8 (454) | 161⁄8 (410) | 191⁄4 (489) | 53⁄8 (137) | 141⁄4 (362) | 163⁄8 (416) |
| 155⁄8 (397) |
| 141⁄2 (368) | 11 | (279) | 14 (356) | ||
14 | 197⁄8 (505) | 183⁄8 (467) | 211⁄4 (540) | 63⁄8 (162) | 161⁄4 (413) | 171⁄2 (445) |
| 175⁄8 (448) |
| 161⁄2 (419) | 11 | (279) | 16 (406) | ||
16 | 217⁄8 (556) | 183⁄8 (467) | 231⁄4 (591) | 63⁄4 (171) | 181⁄4 (464) | 193⁄8 (492) |
| 195⁄8 (498) |
| 181⁄2 (470) | 11 | (279) | 18 (457) | ||
18 | 237⁄8 (606) | 183⁄8 (467) | 251⁄4 (641) | 6 (152) | 201⁄4 (514) | 22 (559) |
| 215⁄8 (549) |
| 201⁄2 (521) | 11 (279) | 20 (508) | |||
20 | 257⁄8 (657) | 183⁄8 (467) | 271⁄4 (692) | 61⁄2 (165) | 221⁄4 (565) | 243⁄4 (629) |
| 235⁄8 (600) |
| 221⁄2 (572) | 16 | (406) | 22 (559) | ||
24 | 317⁄8 (810) | 183⁄8 (467) | 333⁄4 (857) | 63⁄8 (162) | 261⁄4 (667) | 267⁄8 (683) |
| 303⁄8 (772) |
| 291⁄8 (740) | 18 | (457) | 26 (660) | ||
30 | 377⁄8 (962) | 183⁄8 (467) | 393⁄4 (1010) | 61⁄2 (165) | 321⁄4 (819) | 291⁄8 (740) |
| 361⁄2 (927) |
| 351⁄8 (892) | 21 | (533) | 32 (813) | ||
36 | 437⁄8 (1114) | 183⁄4 (476) | 453⁄4 (1162) | 63⁄4 (171) | 381⁄4 (972) | 33 (838) |
| 421⁄2 (1080) |
| 411⁄8 (1045) | 22 | (559) | 38 (965) | ||
42 | 497⁄8 (1127) | 183⁄4 (476) | 513⁄4 (1314) | 10 | (254) | 441⁄4 (1124) | 353⁄4 (908) |
| 481⁄2 (1232) |
| 471⁄8 (1197) | 24 | (610) | 44 (1118) | |
48 | 557⁄8 (1419) | 187⁄8 (479) | 573⁄4 (1467) | 9 | (229) | 501⁄4 (1276) | 403⁄8 (1026) |
| 545⁄8 (1387) |
| 531⁄4 (1353) | 27 | (686) | 50 (1270) | |
54 | 617⁄8 (1572) | 201⁄8 (512) | 633⁄4 (1619) | 71⁄2 | (191) | 561⁄4 (1429) | 443⁄4 (1137) |
| 607⁄8 (1546) |
| 591⁄2 (1511) | 32 | (813) | 56 (1422) | |
60 | 677⁄8 (1724) | 21 (533) | 693⁄4 (1772) | 71⁄4 (184) | 621⁄4 (1581) | 483⁄8 (1229) |
| 67 (1702) |
| 655⁄8 (1667) | 32 | (813) | 62 (1575) | ||
72 | 817⁄8 (2080) | 22 (559) | 833⁄4 (2127) | 71⁄2 | (191) | 741⁄4 (1886) | 531⁄4 (1353) |
| 791⁄2 (2019) |
| 781⁄8 (1984) | 32 | (813) | 74 (1880) | |
*Dimensions are for exhaust fan guard. See CAPS for supply fan and for optional OSHA motor side guard dimensions. **All sizes except 20 and 72 are 2 in (51 mm) larger if a VCD damper is used. For complete dimensional information refer to submittal. All dimensions given in inches (mm).
Motor Side Guard — Protective guards of welded steel wire completely enclose the motor and drive side of the fan. Guards are coated with Permatector, a thermal setting polyester urethane. Other paint finishes are also available. Sizes 20 and larger only.
OSHA Motor Side Guard — Protective guards of expanded metal screen in structural steel frames are available to completely enclose the motor and drive side of the fan.
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.
Note: Wall collar, fan, damper and guards ship completely factory assembled except when ordered as a kit.. Weatherhood ships loose.
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.
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.
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