Venting Runs - Majestic fireplaces NVBC42 Installation & Operation Instructions

Venting Runs

Horizontal Run (in feet)
1 2 3 4
40
38
A
36
B
34
32
30
28
26
24
22
20
18
16
14
12
= Acceptable venting configuration
= Unacceptable venting configuration
A: Vertical installations up to 40 feet (12m) in
height. Up to a 6 ft. horizontal vent run can be
installed within the vent system using a
maximum of two 90-degree elbows or four
45-degree elbows.
B: Vertical installations up to 40 feet (12m) in
height. Up to a 10 ft. horizontal vent run can be
installed within the vent system using a
maximum of two 45-degree elbows.
Fig. 13 Venting configurations.
7412950
5 6 7 8 9 10
FP567
Majestic Fireplaces
Horizontal Run (in feet)
2 4
40
38
36
34
32
30
28
26
24
22
20
18
16
14
12
10
8
= Acceptable venting configuration
= Unacceptable venting configuration
A: Vertical installation up to 40 feet (12m) in
height. Up to a 16 ft. horizontal vent run
can be installed within the vent system
using a maximum of two 90 degree elbows
or four 45 degree elbows.
B: Vertical installation up to 40 feet (12m) in
height. Up to a 20 ft. horizontal vent run
can be installed within the vent system
using a maximum of two 45 degree elbows.
Fig. 14 Venting configurations when installing 36GSKBB.
NVB Series B-Vent
®
8
6 10 12 14 16 18 20
A
B
FP567a
11