Technical Data Venting - American Water Heater BCG3 Instruction Manual

taBle 7. technical data Venting
type B gas Vent
multiple gas fired tank-type heaters
When venting multiple tank type heaters using Type B vent
pipe, follow the installation diagram (figure 13) and tables
below which give sizing and data based upon NfPA 54/ANSi
Z223. 1992.
model Bcg370t1205nox
input: 120,000 Btu/hr
Vent connector size: 5 inches
number of
heaters
2
3
4
model Bcg380t1506nox
input: 154,000 Btu/hr
Vent connector size: 6 inches
number of
heaters
2
3
4
model Bcg395, (a)Bcg3100-180, 199, 200
input: 180,000 and 199,000 Btu/hr
Vent connector size: 6 inches
number of
heaters
2
3
4
input Btu/hr
120,000
120,000
120,000
combined input
in thousands of Btu/hr
240,000
360,000
480,000
input Btu/hr
154,000
154,000
154,000
combined input
in thousands of Btu/hr
308,000
462,000
616,000
input Btuh/hrrise
180,000
199,000
180,000
199,000
180,000
199,000
combined input
in thousands of Btu/hr
360,000
398,000
540,000
597,000
720,000
796,000
total Vent height (feet)
6 8 10
rise Vent connector diameter (inches)
1 ft. 6 6
2 ft. 5 5
3 ft. 5 5
manifold and common Vent diameter (inches)
7 7
8 8
9 9
total Vent height (feet)
6 8 10
rise Vent connector diameter (inches)
1 ft. 6 6
2 ft. 6 6
3 ft. 6 6
manifold and common Vent diameter (inches)
7 7
8 8
9 9
total Vent height (feet)
6 8 10
Vent connector diameter (inches)
1 ft. 7 7
1 ft. 7 7
2 ft. 6 6
2 ft. 7 7
3 ft. 6 6
3 ft. 6 6
manifold and common Vent diameter (inches)
7 7
7 7
7 6
7 7
6 6
6 6
18
15 20 30 50
5 5 5 5
5 5 5 5
5 5 5 5
6 6 6 6
7 7 7 6
9 8 8 7
15 20 30 50
6 6 6 6
6 6 6 6
6 6 6 6
6 6 6 6
7 7 7 6
9 8 8 7
15 20 30 50
6 6 6 6
7 6 6 6
6 6 6 6
6 6 6 6
6 6 6 6
6 6 6 6
6 6 6 6
7 6 6 6
6 6 6 6
6 6 6 6
6 6 6 6
6 6 6 6
100
5 5
5 5
5 5
6 6
6 6
7 6
100
6 6
6 6
6 6
6 6
6 6
7 6
100
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6
6 6