Table 6. technical data venting – American Water Heater BCL3 85T390 6NOX User Manual
Page 18
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18
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. 2006.
taBle 6. teChniCal data Venting
model BCl3 95t199 6noX
input: 199,000 Btu/hr
total Vent height (feet)
Vent Connector size: 6 inches
6
8
10
15
20
30
50
100
input Btuh/hr
rise
Vent Connector diameter (inches)
199,000
1 Ft.
7
7
7
6
6
6
6
6
199,000
2 Ft.
7
7
6
6
6
6
6
6
199,000
3 Ft.
6
6
6
6
6
6
6
6
number of 199 heaters
Combined input in
thousands of Btu/hr
manifold and Common Vent diameters (inches)
2
398,000
7
7
7
6
6
6
6
6
3
597,000
7
7
6
6
6
6
6
6
4
796,000
6
6
6
6
6
6
6
6
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