Brochure

VERTICAL DISCHARGE
Galvanized steel housing
installs easily between
ceiling joists
Steel mounting brackets
with keyhole slots for fast
installation
504
10" vertical discharge
Fits 10" round duct–use
Model 472 transition/
damper (available
separately) for 8" round
duct (performance will be
reduced)
505
8" vertical discharge with
built-in damper
8" fan, 8¼" diameter housing
673
6" vertical discharge with
built-in damper
6" paintable fan, spin-on,
white polymeric grille
CHAIN-OPERATED UTILITY FANS
Pull-chain opens the door
and starts fan
Housing adjusts to fit walls
from 4½"–9½" thick
Specially designed
polymeric fan blade
Housing features foam-
insulated door for energy
efficiency
506
10" fan (10
3
8" diameter
sleeve)
507
8" fan (8
3
8" diameter sleeve)
ROOM-TO-ROOM FANS
Room-to-Room ventilators
provide quick solutions
where more ventilation is
needed—without installing
new ductwork.
Built-in variable speed
control
Easy installation through
wall 3"–5½" thick
Permanently lubricated
motor
Paintable white polymeric
grilles
Not for use in kitchens
510, 10"; 511, 8"
506 | 507
510 | 511 512
504 | 505 673
504 673
512
510, 511
505
506 507
512
6” Room-to-Room
Use 57W or 57V variable speed
control separately
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