Please leave these reference guides at the installaon locaon unl the installaon is finished. See owners manual for full installaon instrucons before
making final decisions as informaon is subject to change.
Specificaons (all measurements are in inches)
Horizontal Terminaon Framing
Horizontal Venng Minimum Requirements
Birchwood 20 Direct Vent Free‐Standing Fireplace
Model (with base installed) BTU Height Front Width Back Width Depth Glass Viewing Area
BIR‐20 (Tradional Base) 32,500 30‐3/4 27‐3/4 27‐3/4 15‐3/4 20‐1/16 x 14‐1/8
BIR‐20 (Pedestal Base) 32,500 35‐15/16 27‐3/4 27‐3/4 17‐3/4 20‐1/16 x 14‐1/8
BIR‐20 (Contemporary Base) 32,500 35‐15/16 27‐3/4 27‐3/4 17‐13/16 20‐1/16 x 14‐1/8
A B C D E F
35‐3/4 60 35‐3/4 65‐1/8 35‐3/4 65‐1/8
G
14‐7/8
I
15‐7/8
H
5
A
B
C
D
E
F
G
H
I
1”
1”
1”
CORNER INSTALLATION
V = Vercal
H = Horizontal
V
MIN
H
MIN
H
MAX
Consult venƟng chart in
manual for opƟons above
minimum requirements
Requirement BIR‐20
(NG) Vercal Min 24 + 90
o
Elbow
(NG) Horizontal Min 6
(NG) Horizontal Max 4 .
Tradional Base Pedestal Base Contemporary Base
8/19
