Broan ULTRA Pro RB80C Guide D'installation page 4

Page 4
New Construction Installation
3 Snap-in and
Secure Housing
and Muffler
2
4
Attach Flange, Transition and Ducting
Top and bottom flanges
go outside Housing
3
Screws from Parts Bag
Insert tab into slot
inside Housing
1
4" Ducting
3
1
Attach Muffler.
Align
Tape
Tape
Transition
Flange
RB80C  RB110C Installation Guide

Position Housing
between joists and
crimp channel on both
sides of Mounting Frame
to lock Housing in place.
Do not crimp Housing.
4
Screw from
2
Parts Bag
5