328 Essex Street vent spec Model 885AL Model 613
• For 3"or 4"round duct(4" �'� 5Q • For 12"round duct I IS
to 3"transition included) 6 2 • High capacity SQ
• Spring-loaded backdraft ®Sr • Built-in backdraft
damper and bird screen damper and bird screen
• .025 Aluminum - natural • .025 Aluminum-natural
finish finish
• Do not use for dryer �S
venting �il,.,�23 Ig IZ 142
4 \ l
Model 610FA
• For 10" round duct I��" I %K
• .025 Aluminum-natural finish ,,/ Model 441
• Attachment collar 3-3/8" long • Gravity dampers
• Without backdraft damper • Collar with bird screen for
• Includes mesh screen attaching 10" round duct
• Intended for make-up air inlet \ • 24 GA CRCQ steel construction
applications IQ with aluminum louvers
8
Model 643 I Model 450 Flexible Wall
• For 8" round duct ilk Ducting Kit
• Built-in backdraft damper• Aluminum natural finish /T�� • Includes 5 ft.of 4",flexible,
Attachment
6 5Q•
vinyl ducting,4"diameter
• Attachment collar 3-3/8"long metal duct connector,
Model 643FA \ 2 duct clamps,4"to 3"
• Same features as Model 643 reducer and a white
• Without backdraft damper �� polymeric louvered wall
• Includes mesh screen vent
• Intended for make-up air inlet
applications
Model WC650
• White wall cap for 4"
round duct-includes 4
mounting screws
sr�\ 6 g4 • Engineered resin 6 2
Model 642 material for impact and
• For 4" round duct �T UV resistance p
�—
(4"to 3"transition included) • Weighted backdraft
// damper guards against
• Built-in backdraft damper �S wind, birds or lint build-up
• Aluminium-natural finish ,yl • 4"diameter metal duct
• Do not use for dryer venting �'IF3 I connector
4
Model WVK2A Flexible Wall Ducting Kit
1 • Includes 5 ft.of 4",flexible,2-ply metallic �10
6,� y laminate ducting, 10" long 4"diameter sr�`
Model 646 �®• metal duct,2 duct clamps,4"to 3"
• For 6" round duct 8 reducer, an engineered resin material
• Polymeric construction-white wall cap with white finish,and mounting
finish screws
6' • Duct conforms to UL181 Class 1 air 61�5d
connector requirements 2
!IAO
BRAN® • Do not use for dryer venting
Broan-NuTone LLC Hartford,Wisconsin www.broan.com 800-558-1711