10¼"
L
C
4¼"
SOFFIT
HOOD
CENTER LINE
90
0
ANGLE
BOOT
(included)
(included)
COMBINATION FILTER
(B08999040)
LINER
(LB30, LB36,
LT30, or LT36)
25"
SOFFIT
CUTOUT
6" ROUND
TO 7” ROUND
TRANSITION
(included)
(purchase
separately)
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
0
angle boot
.
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
0
angle boot into soffit opening and connect boot to 7” round duct.
10. Install
grille
(included) into soffit opening.
11. Use duct tape to make all connections secure and air tight.
Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711
Broan-NuTone Canada Mississauga, Ontario www.broan.ca 877-896-1119
626998C
INSTALLATION INSTRUCTIONS
357NDK DUCTLESS CONVERSION KIT FOR THRU SOFFIT VENTING
FOR USE WITH PM390 POWER MODULE
