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SBN71-120 thru 85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
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Model: SBN 85-366NE, SBN 85-390NE
T.rh/utB 000,993/000,663:tupnI otal Vent Height (feet)
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Input Btu/hr Rise Vent Connector Diameter (inches)
366,000
399,000
1'
9 9 9 8 8 8 8 8
10 9 9 9 8 8 8 8
366,000
399,000
2'
9 9 8 8 8 8 8 8
9 9 9 8 8 8 8 8
366,000
399,000
3'
9 8 8 8 8 8 8 8
9 9 8 8 8 8 8 8
No. of Units Combined Input (Btu/hr x 1,000) Combined Vent/Manifold Diameter
2
732,000 12 10 10 9 9 9 8 8
798,000 12 12 10 10 9 9 8 8
3
1,098,000 14 14 14 12 12 10 9 9
1,197,000 14 14 14 12 12 10 10 9
4
1,464,000 16 16 14 14 14 12 12 10
1,596,000 16 16 16 14 14 12 12 10
VENT TABLES FOR CATEGORY I - TYPE B GAS VENT