Spec Sheet

Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711
Model 643
•
For 8" round duct
•
Built-in backdraft damper
•
.025 Aluminum - natural finish
•
Attachment collar 3-3/8" long
Model 643FA
•
Same features as Model 643
•
Without backdraft damper
•
Includes mesh screen
•
Intended for make-up air inlet
applications
Model 613
•
For 12" round duct
•
High capacity
•
Built-in backdraft
damper and bird screen
•
.025 Aluminum - natural
finish
Model 441
•
Gravity dampers
•
Collar with bird screen for
attaching 10" round duct
•
24 GA CRCQ steel construction
with aluminum louvers
Model 646
•
For 6" round duct
•
Polymeric construction - white
finish
Model 642
•
For 4" round duct
(4" to 3" transition included)
•
Built-in backdraft damper
•
Aluminium - natural finish
•
Do not use for dryer venting
Model 450 Flexible Wall
Ducting Kit
•
Includes 5 ft. of 4", flexible,
vinyl ducting, 4" diameter
metal duct connector,
2 duct clamps, 4" to 3"
reducer and a white
polymeric louvered wall
vent
Model 885AL
•
For 3" or 4" round duct (4"
to 3" transition included)
•
Spring-loaded backdraft
damper and bird screen
•
.025 Aluminum - natural
finish
•
Do not use for dryer
venting
Model WVK2A Flexible Wall Ducting Kit
•
Includes 5 ft. of 4", flexible, 2-ply metallic
laminate ducting, 10" long 4" diameter
metal duct, 2 duct clamps, 4" to 3"
reducer, an engineered resin material
wall cap with white finish, and mounting
screws
•
Duct conforms to UL181 Class 1 air
connector requirements
•
Do not use for dryer venting
Model 610FA
•
For 10" round duct
•
.025 Aluminum - natural finish
•
Attachment collar 3-3/8" long
•
Without backdraft damper
•
Includes mesh screen
•
Intended for make-up air inlet
applications
Model WC650
•
White wall cap for 4”
round duct - includes 4
mounting screws
•
Engineered resin
material for impact and
UV resistance
•
Weighted backdraft
damper guards against
wind, birds or lint build-up
•
4” diameter metal duct
connector