Termination Clearances - Breckwell BH23 Owner’s Instruction And Operation Manual

VENTING INSTALLATION

TERMINATION CLEARANCES

Termination clearances for buildings with combustible and
noncombustible exteriors.
ALLOWABLE VENTING
Inside Corner
Inside Corner
G
V
Outside Corner
Outside Corner
V
F
Balcony - with no side wall
with no side wall
M =
Combustible &
Noncombustible
12" (305 mm)
G =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
F =
Combustible
6" (152 mm)
Noncombustible
2" (51 mm)
M
V
Balcony - with perpendicular side wall
with perpendicular side wall
M
Combustible &
Noncombustible
M = 12" (305 mm)
P = 6" (152 mm)
Alcove Applications
C
E
= Min. 2" (51 mm) for non-vinyl sidewalls
Min. 12" (305 mm) for vinyl sidewalls
O =
= 8' (2.4 m) Min.
No.
of Caps
1
2
3
4
D = # of Termination caps x 3
Min.
C = (2 / # termination caps) x D
Max.
19
V
P
D
C
V
E
O
D C
Min. Max.
3' (914 mm) 2 x D
Actual
6' (1.8 m) 1 x D
Actual
9' (2.7 m) 2/3 x D
12' (3.7 m) 1/2 x D
Actual
© 2021 Breckwell Hearth
Actual
Actual