Table 6. technical data venting – State SBL85 390 NE A User Manual
Page 18

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 Sbl85275Ne(A)
Input: 275,000 btu/hr
Total Vent Height (Feet)
Vent connector size: 6 inches
6
8
10
15
20
30
50
100
Input (btu/hr)
Rise
Vent Connector Diameter (Inches)
275,000
1 Ft.
8
8
8
7
7
6
6
6
275,000
2 Ft.
8
8
7
7
7
6
6
6
275,000
3 Ft.
7
7
7
7
7
6
6
6
Number of Heaters
Combined Input (btu/hr)
Manifold and Common Vent Diameter (Inches)
2
550,000
10
10
9
9
8
8
7
7
3
825,000
14
12
12
10
10
9
9
8
4
1,100,000
14
14
14
12
12
12
10
9
Model Sbl85310Ne(A)
Input: 310,000 btu/hr
Total Vent Height (Feet)
Vent connector size: 6 inches
6
8
10
15
20
30
50
100
Input (btu/hr)
Rise
Vent Connector Diameter (Inches)
310,000
1 Ft.
-
8
8
8
7
7
6
6
310,000
2 Ft.
8
8
8
7
7
7
6
6
310,000
3 Ft.
8
8
8
7
7
7
6
6
Number of Heaters
Combined Input (btu/hr)
Manifold and Common Vent Diameter (Inches)
2
620,000
12
10
10
9
9
8
8
7
3
930,000
14
14
12
12
10
10
9
9
4
1,240,000
16
14
14
14
12
12
10
9
Model Sbl85366Ne(A)
Input: 366,000 btu/hr
Total Vent Height (Feet)
Vent connector size: 6 inches
6
8
10
15
20
30
50
100
Input (btu/hr)
Rise
Vent Connector Diameter (Inches)
366,000
1 Ft.
-
-
-
8
8
7
7
6
366,000
2 Ft.
-
-
8
8
8
7
7
6
366,000
3 Ft.
-
8
8
8
7
7
6
6
Number of Heaters
Combined Input (btu/hr)
Manifold and Common Vent Diameter (Inches)
2
732,000
12
12
12
10
9
9
8
8
3
1,098,000
14
14
14
12
12
12
10
9
4
1,464,000
16
16
16
14
14
12
12
10