VENTING TABLES – TECHNICAL VENTING DATA. State Water Heaters SBL85275NE, SBL85366NEA, SBL85390NE, SBL85310NE, SBL85275NEA, SBL85310NEA, SBL85366NE, SBL85390NEA
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VENTING TABLES
–
TECHNICAL VENTING DATA
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 and tables below which give sizing and data based upon NFPA 54 ANSI Z223.1.
MODEL SBL85275NE(A) Input: 275,000 Btu/hr
Vent Connector Size: 6 inches
Input Btu/hr
Number of Heaters
2
3
4
275,000
275,000
275,000
Combined Input in
Thousands of Btu/hr
550,000
825,000
1,100,000
MODEL SBL85310NE(A) Input: 310,000 Btu/hr
Vent Connector Size: 6 inches
Input Btu/hr
310,000
Number of Heaters
2
3
4
310,000
310,000
Combined Input in
Thousands of Btu/hr
620,000
930,000
1,240,000
MODEL SBL85366NE(A) Input: 366,000 Btu/hr
Vent Connector Size: 6 inches
Input Btuh/hr
366,000
366,000
Number of Heaters
2
3
4
366,000
Combined Input in
Thousands of Btu/hr
732,000
1,098,000
1,464,000
MODEL SBL85390NE(A) Input: 390,000 Btu/hr
Vent Connector Size: 6 inches
Input Btuh/hr
390,000
Number of Heaters
2
3
4
390,000
390,000
Combined Input in
Thousands of Btu/hr
780,000
1,170,000
1,560,000
14
Servicing should only be performed by a Qualified Service Technician
Rise
1 Ft.
2 Ft.
3 Ft.
Rise
1 Ft.
2 Ft.
3 Ft.
Rise
1 Ft.
2 Ft.
3 Ft.
Rise
1 Ft.
2 Ft.
3 Ft.
6
8
8
7
8
8
8
7
10
Total Vent Height (Feet)
15 20 30 50
Vent Connector Diameter (Inches)
8
7
7
7
7
7
7
7
7
6
6
6
6
6
6
100
10
14
14
Manifold and Common Vent Diameters (Inches)
10
12
14
9
12
14
9
10
12
8
10
12
8
9
12
7
9
10
7
8
9
6
6
6
6
-
8
8
8
8
8
8
10
Total Vent Height (Feet)
15 20 30 50
Vent Connector Diameter (Inches)
8 8 7 7 6
8
8
7
7
7
7
7
7
6
6
100
12
14
16
Manifold and Common Vent Diameters (Inches)
10
14
14
10
12
14
9
12
14
9
10
12
8
10
12
8
9
10
7
9
9
6
6
6
6
-
-
-
8
-
-
8
Total Vent Height (Feet)
10 15 20 30
Vent Connector Diameter (Inches)
8 8 7 7
8
8
8
8
8
7
7
7
50
7
6
Manifold and Common Vent Diameters (Inches)
12
14
16
12
14
16
12
14
16
10
12
14
9
12
14
9
12
12
8
10
12
100
6
6
6
8
9
10
6
-
-
-
8
-
-
-
Total Vent Height (Feet)
10 15 20 30 50
Vent Connector Diameter (Inches)
8 7 7
-
8
8
8
8
8
7
7
Manifold and Common Vent Diameters (Inches)
12
16
16
12
14
16
12
14
16
10
14
14
10
12
14
9
12
14
9
10
12
7
7
100
6
6
6
8
9
10
TYPE B GAS VENT: Single Gas Fired Tank-Type Heater
When venting single tank type water heater using Type B vent pipe, follow the tables below which give sizing and data based upon NFPA 54 ANSI Z223.1.
MODELS
MODEL SBL85275NE(A)
Input: 275,000 Btu/hr
Vent Connector Diameter: 6 inches
Vent Type: Type B Double-Wall Gas Vent
Vent Connection: Connected directly to Vent
Number of Appliances: Single
Appliance Venting: Fan assist
Note: Refer to NFPA 54/ ANSI Z223.1 for maximum vent diameter.
Lateral (Feet)
0
2
4
5
6
8
10
15
20
30
50
6
NA
7
NA
NA
NA
NA
6
7
7
NA
NA
8
6
7
NA
7
NA
7
NA
NA
NA
NA
NA
TOTAL VENT HEIGHT (FEET)
7
NA
NA
7
NA
NA
10 15 20 30
Minimum Vent Diameter (Inches)
6 5 5 5
7
NA
6
NA
6
NA
6
NA
NA
NA
6
NA
NA
6
6
NA
NA
NA
6
NA
NA
6
6
6
NA
NA
6
NA
6
NA
NA
6
6
6
50
5
5
NA
5
NA
NA
6
6
6
6
NA
100
5
5
NA
5
NA
NA
5
5
5
6
6
MODEL SBL85310NE(A)
Input: 310,000 Btu/hr
Vent Connector Diameter: 6 inches
Vent Type: Type B Double-Wall Gas Vent
Vent Connection: Connected directly to Vent
Number of Appliances: Single
Appliance Venting: Fan assist
Note: Refer to NFPA 54/ ANSI Z223.1 for maximum vent diameter.
Lateral (Feet)
0
2
4
5
6
8
10
15
20
30
50
MODEL SBL85366NE(A)
Input: 366,000 Btu/hr
Vent Connector Diameter: 6 inches
Vent Type: Type B Double-Wall Gas Vent
Vent Connection: Connected directly to Vent
Number of Appliances: Single
Appliance Venting: Fan assist
Note: Refer to NFPA 54/ ANSI Z223.1 for maximum vent diameter.
Lateral (Feet)
0
2
4
5
6
8
10
15
20
30
50
MODEL SBL85390NE(A)
Input: 390,000 Btu/hr
Vent Connector Diameter: 6 inches
Vent Type: Type B Double-Wall Gas Vent
Vent Connection: Connected directly to Vent
Number of Appliances: Single
Appliance Venting: Fan assist
Note: Refer to NFPA 54/ ANSI Z223.1 for maximum vent diameter.
Lateral (Feet)
0
2
4
5
6
8
10
15
20
30
50
8
NA
NA
NA
NA
6
8
8
NA
NA
NA
7
NA
NA
NA
6
7
7
NA
NA
NA
NA
8
NA
NA
NA
7
8
8
NA
NA
NA
NA
NA
8
NA
NA
NA
6
8
NA
8
NA
NA
NA
7
NA
NA
6
7
NA
7
NA
NA
NA
NA
8
NA
NA
6
8
NA
8
NA
NA
NA
Minimum Vent Diameter (Inches)
6 6 5 5
7
NA
6
NA
6
NA
6
NA
7
NA
NA
7
6
NA
NA
6
6
NA
NA
6
6
NA
NA
6
NA
NA
NA
NA
7
NA
NA
NA
6
6
NA
NA
6
6
6
NA
Minimum Vent Diameter (Inches)
6 6 6 6
7
NA
7
NA
6
NA
6
NA
7
NA
NA
7
NA
NA
7
NA
NA
7
7
NA
6
NA
NA
7
7
7
6
NA
NA
6
6
6
NA
NA
NA
NA
NA
NA
7
NA
Minimum Vent Diameter (Inches)
6 6 6 6
7
NA
7
NA
7
NA
6
NA
7
NA
NA
8
7
NA
NA
7
7
NA
NA
7
6
NA
NA
6
NA
NA
NA
NA
7
NA
NA
NA
7
7
NA
NA
7
7
7
NA
NA
NA
6
6
6
6
6
NA
6
6
NA
NA
NA
6
6
5
6
NA
6
6
6
NA
NA
NA
6
6
6
6
NA
6
6
6
NA
NA
NA
6
6
6
5
6
NA
6
6
6
NA
NA
6
6
5
5
NA
5
6
6
6
NA
NA
6
6
6
6
6
6
6
NA
6
Servicing should only be performed by a Qualified Service Technician
15
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