32
VENTING
Hussong Mfg. Co., Inc. • Kozy Heat Fireplaces
#BAY-41-LE R.5 July 2019
7.6.1.2 Minimum Horizontal Vent Terminations
IMPORTANT: Horizontal vent sections require at least ¼ in (6 mm) rise
for every 12 in (305 mm) of travel.
Table 7.2, NG/Propane - Minimum Horizontal Terminations
Minimum
Vertical Rise (V
MIN
)
Minimum
Horizontal Run (H
MIN
)
Maximum
Horizontal Run (H
MAX
)
9 in
229 mm
6 in
152 mm
18 in
457 mm
(i)
Minimum Vertical Rise, Minimum/ Maximum Horizontal
Termination:
9” (229mm) vertical rise + 90° horizontal elbow + 6” (152mm)
minimum horizontal run / 18” (457mm) maximum horizontal run +
termination cap
(ii)
Typical Corner Installation:
9” (229mm) vertical rise +90° horizontal elbow + 18” (457mm)
maximum horizontal run + termination cap
9” (229mm) vertical rise +90° horizontal elbow + 48” (1219mm)
maximum horizontal run + termination cap
See Figure 7.2 on page 33 for natural gas and propane combination
venting off the top.
DIAG.2 TOP VENTING (HORIZONTAL TERMINATIONS)
(A)
Stand-off Brackets
(B)
Stand-off Heat Shields
(C)
90
°
Elbow
(D)
Termination Cap
D
C
A
B
D
C
A
B
9” (229mm) V
MIN
+ 90° ELBOW + 18” (457mm) H
MAX
15” (381mm) V
MIN
+ 90° ELBOW + 48” (1219mm) H
MAX
V
MIN
H
MIN
H
MAX
9” (229mm) V
MIN
+ 90° ELBOW + 6” (152mm) H
MIN
/ 18” (457mm) H
MAX
NATURAL GAS AND PROPANE
CORNER INSTALLATION
(i)
(ii)
