SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
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7
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2
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A
Model:
SBN100-275
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B
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5
7
2
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Vent Height (feet)
0
0
1
0
5
0
3
0
2
5
1
0
1
8
6
”
6
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Input Btu/hr
Rise
Vent Connector Diameter (inches)
275,000
1'
8 8 7
7
6
6
6
6
275,000
2'
8 8 7
7
6
6
6
6
275,000
3'
7 7 7
7
6
6
6
6
No. of Units
Combined Input (Btu/hr x 1,000)
Combined Vent/Manifold Diameter
2
550,000
10 9 9
8
8
8
7
7
3
825,000
12 12 12 10 9
9
8
8
4
1,100,000
14 14 14 12 12 10 9
9
VENT TABLES FOR CATEGORY I - TYPE B GAS VENT
Model:
SBN100-250
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0
5
2
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Vent Height (feet)
0
0
1
0
5
0
3
0
2
5
1
0
1
8
6
”
6
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Input Btu/hr
Rise
Vent Connector Diameter (inches)
250,000
1'
8 8 7
7
7
6
6
6
250,000
2'
7 7 7
7
6
6
6
6
250,000
3'
7 7 7
7
6
6
6
6
No. of Units
Combined Input (Btu/hr x 1,000)
Combined Vent/Manifold Diameter
2
500,000
9 9 9
8
8
7
7
7
3
750,000
12 12 10 10 10 9
8
8
4
1,000,000
14 14 12 12 10 10 9
9
