Product Overview

SPECIFICATION SHEET
Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711
REFERENCE QTY. REMARKS Project
Location
Architect
Engineer
Contractor
Submitted by Date
WALL CAPS
90G 99042286L
Model 885BL
For 3" or 4"
round duct (4"
to 3" transition
included)
Spring-loaded
backdraft damper
and bird screen
24 GA CRCQ
Steel, black
electrically-
bonded epoxy
finish
Model 639
For 3¼" x 10" duct
Spring-loaded
backdraft damper
and bird screen
24 GA CRCQ
Steel, black
electrically-bonded
epoxy finish
Model 649
Same features as
Model 639
.025 Aluminum -
natural finish
Model 843BL
For 6" round duct
Spring-loaded backdraft
damper and bird screen
22 GA CRCQ Steel, black
electrically-bonded epoxy finish
Attachment collar 1¼" long
Model 641
Same features as Model 843BL
.025 Aluminum - natural finish
Model 641FA
Same features as Model 641
Without backdraft damper
Intended for make-up air inlet
applications
Model 647
For 7" round duct
Spring-loaded
backdraft damper
and bird screen
.025 Aluminum -
natural finish
Model WC638
For 3¼" x 14" duct
Spring-loaded
backdraft damper
and bird screen
26 GA CRCQ
Steel, black finish

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