
MODEL 671 
CEILING/WALL 
FANS
SPECIFICATION SHEET
Simple installation and dependability make this odor 
and moisture removing fan a real value.
FEATURES
GRILLE:
• White polymeric - blends well with any decor
• Torsion spring grille mounting - no tools required
• Metal grille kit available - (purchase separately) 
MOTOR:
• Plug-in, permanently lubricated
• Broan-designed polymeric blower wheel
• Snap in/out motor assembly for easy cleaning - no screws 
to drive or drop
HOUSING:
• Compact, 25 gage galvanized steel - attaches easily to wall 
or ceiling joists
• Double strength mounting flanges with keyhole slots
• Removable wiring cover - make connections away from 
tight corners
• No electrical knockout to remove
• Polymeric duct fitting with tapered sleeve for easy, positive
duct connection
• Quiet polymeric damper prevents cold backdrafts - no 
metallic clutter
Model 1667H: Rough-in housing for 1671F finish assemblies 
(packed 6 per carton)
• U.L. listed for tub or shower enclosure with GFCI branch 
wiring
CONTROLS: Designed by Broan for use with this product
(purchase separately)
• Model 57V (Ivory)57W (White)
• Electronic Variable Speed Control
• Model 59V/59W 60-Minute Time Control
• Model 61V/61W 15-Minute Time Control
TYPICAL SPECIFICATION
Ventilator shall be Broan Model 671.
Ventilator shall have galvanized steel housing with doublestrength mounting flanges. It shall be ducted vertically 
(horizontally) to a roof cap (wall cap).
Motor assembly shall be removable and permanently 
lubricated.
Air delivery shall be no less than 70 CFM and sound levels no 
greater than 6.0 Sones. All air and sound ratings shall be 
certified by HVI. Units shall be U.L. listed.
SPECIFICATIONS
MODEL VOLTS AMPS CFM SONES DUCT
671 120 1.15 70 6.0 3" ROUND
Broan-NuTone LLC, 926 West State Street, Hartford, WI 53027 (1-800-637-1453)
REFERENCE QTY. REMARKS Project
HVI-2100 CERTIFIED RATINGS comply with 
new testing technologies and procedures 
prescribed by the Home Ventilating Institute, 
for off-the-shelf products, as they are available 
to consumers. Product performance is rated at
0.1 in. static pressure, based on tests conducted 
in AMCA’s state-of-the-art test laboratory. 
Sones are a measure of humanly-perceived 
loudness, based on laboratory measurements.
Location
Architect
Engineer
Contractor
Submitted by Date
50G 99041071K