
2 Heatilator • Birmingham BIR50-B Installation Manual • 4059-701• Rev AA • 06/23
Safety Alert Key:
• DANGER! will result in death or serious injury.
• WARNING!could result in death or serious injury.
• CAUTION!
• NOTICE:
Table of Contents
2 Getting Started
B. Design and Installation Considerations 6
1. Selecting Fireplace Locations 6
3 Framing and Clearances
A. Appliance Dimensions/Weight 9
B. Clearances 10
C. Construct the Chase 11
D. Frame the Fireplace 12
4 Chimney and Termination Installation
K. Install Attic Insulation Shield 20
L. Install Roof Radiation Shields 20
5 Shrouds
D. Pyramid Style Shroud 26
6 Finishing
1. Fireplace Installed Flush on the Floor
7 Fireplace Setup
8 Reference Materials