CAUTION

Label all wires prior to disconnection when servicing controls. Wiring errors can cause improper and dangerous operation.

"Verify proper operation after servicing."

Two inch clearance is allowable from combustible construction for hot water pipes.

Sufficient clearance should be provided at one end of the boiler to permit access to heat exchanger tubes for cleaning. Maximum operating water supply pressure 160 psi. Gas supply pressure: 13.8" w.c. max., 5.5" w.c. min.

ROUGH-IN DIMENSIONS/

CAPACITIES

INSTALLATION CLEARANCES

These boilers are approved for installation on combustible flooring in an alcove with minimum clearance to combustibles See chart below.

WARNING

AN AMPLE SUPPLY OF AIR MUST BE PROVIDED

FOR PROPER COMBUSTION AND VENTILATION.

TABLE 1, ROUGH-IN DIMENSIONS

Sufficient area should be provided at the front and sides of the unit for proper servicing. Clearances of 48" in front and 24" on sides is recommended. In a utility room installation, the door shall be wide enough to allow the boiler to enter or to permit the replacement of another appliance.

LEVELLING

Each unit should be checked after installation to be certain that it is level.

Models

 

DW-720

 

DW-840

 

DW-960

 

DW-1080

 

DW-1210

 

DW-1350

 

DW-1480

 

DW-1610

 

DW-1810

Dimensions

inches

mm

inches

mm

inches

mm

inches

mm

inches

mm

inches

mm

inches

mm

inches

mm

inches

mm

A

46 1/2

1181

52

1/5

1326

57

3/4

1467

52 7/8

1343

58

1/2

1486

64

1/2

1638

69

1/2

1765

75

1905

82 1/2

2096

B

29 5/8

752

29

5/8

752

29

5/8

752

32 3/4

832

32

3/4

832

32

3/4

832

34

 

864

34

 

864

34

 

864

C

54 3/4

1391

54

3/4

1391

54

3/4

1391

58

1473

58

 

1473

58

 

1473

60

1/2

1537

60

1/2

1537

60 1/2

1537

D

 

1 1/4 NPT

 

1 1/4 NPT

 

1 1/4 NPT

 

1 1/4 NPT

 

1 1/2 NPT

 

1 1/2 NPT

 

1 1/2 NPT

 

2

NPT

 

2

NPT

E

7 3/4

197

7 3/4

197

7 3/4

197

7 1/2

191

7 1/2

191

7 1/2

191

7 1/2

191

7 1/2

191

7 1/2

191

F

15 1/2

394

15

1/2

394

15

1/2

394

18 1/2

470

18

1/2

470

18

1/2

470

18

1/2

470

18

1/2

470

18 1/2

470

G

17

1/4

438

17

1/4

438

17

1/4

438

18

9/16

471

18

9/16

471

18

9/16

471

19

1/8

486

19

1/8

486

19

1/8

486

H

4 1/4

108

4 1/4

108

4 1/4

108

 

4

102

 

4

102

 

4

102

4 1/2

114

4 1/2

114

4 1/2

114

J

 

2 NPT

 

2 NPT

 

2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

K

 

2 NPT

 

2 NPT

 

2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

 

2 1/2 NPT

L

 

1 NPT

 

1 NPT

 

1 NPT

 

1 1/4 NPT

 

1 1/4 NPT

 

1 1/4 NPT

 

1 1/4 NPT

 

1 1/4 NPT

 

1 1/4 NPT

M

12

 

305

14

 

356

14

 

356

 

16

406

16

406

18

457

18

 

457

18

 

457

20

 

508

N

15 1/2

394

16

1/2

419

16

1/2

419

17 1/4

438

17

1/4

438

17

1/4

438

13

3/4

349

13

3/4

349

13 3/4

349

W

32 1/8

816

31

1/8

791

32

1/8

816

30 15/16

786

30 15/16

786

30 15/16

786

31

 

787

31

 

787

31

 

787

Approx.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Shipping

780 lbs

354 Kg.

950 lbs

431 Kg

950 lbs

431 Kg

1000 lbs

454 Kg

1075 lbs

488 Kg.

1100 lbs

499 Kg

1125 lbs

510 Kg

1150 lbs

522 Kg

1250 lbs

567 Kg

Weight.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Minimum Clearances To Combustibles

 

 

 

Water

Blank

 

 

 

 

 

Top

Side

Side

Rear

Vent

Front

 

All Models

12" (305mm)

18" (457mm)

6" (155mm)

6" (155mm)

6" (155mm)

Alcove

 

 

 

 

 

 

 

 

3

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A.O. Smith DB/DW-720-1810 warranty ROUGH-IN Dimensions Capacities, Installation Clearances, Levelling

DB/DW-720-1810 specifications

A.O. Smith has a longstanding reputation for quality and innovation in the water heater industry, and the DB/DW-720-1810 model exemplifies these values. This particular water heater is designed to provide reliable hot water, making it suitable for both residential and commercial applications. Its impressive features and cutting-edge technologies set it apart from conventional models.

One of the primary features of the A.O. Smith DB/DW-720-1810 is its energy efficiency. It operates using advanced insulation technologies, minimizing heat loss and promoting energy savings. This model is designed with a high-efficiency burner that substantially reduces energy consumption while maintaining optimal performance. It also complies with industry standards for energy efficiency, ensuring that users can enjoy lower utility bills without sacrificing comfort.

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