© 2021 United States Stove Company
25
VENTING INSTALLATION
VERTICAL TERMINATIONS
IMPORTANT:
HORIZONTAL VENT SECTIONS REQUIRE 1/4” (6
MM) RISE FOR EVERY 12” (305 MM) OF TRAVEL.
NG/LPG - Min / Max Vertical Terminations
Min Vertical Length
Max Vertical Length
6 ft
1.83 m
40 ft
12.2 m
COMBINATION VENTING
NG/LPG - Min Horizontal Vent Terminations
Min Vertical
Venting
Min Horizontal
Run (HMIN)
Max Horizontal
Run (HMIN)
12” (304 mm)
12” (304 mm)
4ft (1.22m)
NG/LPG - Max Vertical / Max Horizontal
Combination
Max Vertical
Rise
Max Horizontal
Run
Total Length
10 ft
3.1 m
20 ft
6.1 m
30 ft
9.2 m
Maximum number of 90° elbows: 4
Restricteur
10 ° Ouvert
Restrictor
Fully Open
Restrictor
30° Open
0 2 4 6 8 10 12 14 16 18 20
NG/LPG - TOP VENT COMBINATION VENTING (V/H)
NG/LPG - 90° ELBOW + 6” (152mm) H
MIN
/
4ft (1.3m) H
Max
NG/LPG - 6ft (1.83m) MIN / 40ft (12.2m) MAX
(A) 90° Elbow
(B) Termination Cap
TOP VENTING DIAGRAM
(VERTICAL & HORIZONTAL TERMINATIONS)
H
MAX
H
MIN
A
B
B
Summary of Contents for AG23
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