Broan ULTRA Pro RB110L1 Installation Manual page 9

Page 9
Retrofit Installation
8
Secure
Mounting
Frame
9
Snap-in Housing
1
1
10
Attach Flange, Transition, and Ducting
Pull existing
ductwork
into Housing
Pull existing wiring into
Housing as it is inserted
into Mounting Frame
4" Ducting
1
1
Tape
Transition
Screws set
aside
in Step 7
2
2
Align
2
2
Tape
Flange
RB80L1 RB110L1 Installation Guide
n
4
4
Screw from
Parts Bag
3
3
Insert tab into
slot inside
Housing