Broan ULTRA Pro RB80LC Guide D'installation page 11

Page 11
Retrofit Installation
12 Insert and Secure Blower Assembly
13 Install Grille
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RB80LC  RB110LC Installation Guide

Screws from Parts Bag
3
If ceiling repairs are needed, place
Mask in Housing after Blower Assembly
is secured. See New Construction
Installation Step 6.
Remove Mask before installing Grille.
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