Specification

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
71L 99042286S
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
•
Do not use for dryer
venting
Model 639
•
For 3¼" x 10" duct
•
Spring-loaded backdraft
damper and bird screen
•
24 GA CRCQ Steel, black
electrically-bonded epoxy
finish
•
Do not use for dryer venting
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
•
Do not use for dryer venting
Model 641
•
Same features as Model 843BL
•
.025 Aluminum - natural finish
Model 641FA
•
Same features as Model 641
•
Without backdraft damper
•
Includes mesh screen
•
Intended for make-up air inlet
applications
Model 647
•
For 7" round duct
•
Spring-loaded backdraft
damper and bird screen
•
.025 Aluminum - natural finish
•
Do not use for dryer venting
Model WC638
•
For 3¼" x 14" duct
•
Spring-loaded
backdraft damper
and bird screen
•
26 GA CRCQ Steel,
black finish