Broan 357NDK Installation Instructions

357NDK DUCTLESS CONVERSION KIT FOR THRU SOFFIT VENTING
1. Install PM390 per installation instructions shipped with power module.
2. Remove aluminum filters and replace with combination filter furnished with kit and aluminum filter
that was removed.
3. Remove backdraft damper. (Damper supplied with power module.)
4. Install the 6" round to 7" round transition over exhaust of unit.
5. Connect 7" round duct to transition.
6. Cut hole in bottom of soffit to allow clearance for the 90
7. Locate center of 4¼" x 10¼" opening on soffit - at horizontal centerline of hood and 25" above
top of liner.
8. Layout 4¼" x 10¼" pattern and cut opening in soffit.
9. Insert 90 angle boot into soffit opening and connect boot to 7" round duct.
0
10. Install grille (included) into soffit opening.
11. Use duct tape to make all connections secure and air tight.
2 5 "
Broan-NuTone LLC
Broan-NuTone Canada

INSTALLATION INSTRUCTIONS

FOR USE WITH PM390 POWER MODULE
H O O D
C E N T E R L IN
L C
1 0 ¼ "
4 ¼ "
S O F F IT
(purchase
separately)
LINER
(LB30, LB36,
LT30, or LT36)
Hartford, Wisconsin
Mississauga, Ontario
angle boot.
0
E
(included)
COMBINATION FILTER
(B08999040)
www.broan.com 800-558-1711
www.broan.ca
6" ROUND
TO 7" ROUND
TRANSITION
(included)
877-896-1119
SOFFIT
CUTOUT
90 0 ANGLE
BOOT
(included)
626998C