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Venting tables – technical venting data, Venting tables, Technical venting data – State SBL85 390NE A User Manual

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14

Servicing should only be performed by a Qualified Service Technician

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 SBL95 199NE
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 (Btu/hr)

Manifold and Common Vent Diameters (Inches)

2

398,000

9

8

8

8

7

7

7

6

3

597,000

10

10

10

9

9

8

8

7

4

796,000

12

12

12

10

10

9

9

8

MODEL SBL85 275NE(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 275 Heaters

Combined Input (Btu/hr)

Manifold and Common Vent Diameters (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 SBL85 390NE(A)
Input: 390,000 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)

390,000

1 Ft.

-

-

-

-

8

7

7

6

390,000

2 Ft.

-

-

-

8

8

7

7

6

390,000

3 Ft.

-

-

8

8

8

7

7

6

Number of 400 Heaters

Combined Input (Btu/hr)

Manifold and Common Vent Diameters (Inches)

2

780,000

12

12

12

10

10

9

9

8

3

1,170,000

16

14

14

14

12

12

10

9

4

1,560,000

16

16

16

14

14

14

12

10

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