Installation Guide
© 2021 United States Stove Company
25
VENTING INSTALLATION
VERTICAL TERMINATIONS
IMPORTANT:
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) HMIN /
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)
HMAX
HMIN
A
B
B