A.O. Smith NW 37-670 warranty Sizes and Data 780KW Thru 3300KW

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SIZES AND DATA 780KW THRU 3300KW

 

Model Number

 

 

 

 

 

 

 

 

 

Inlet* &

Boiler

Prefix

Gal.Cap.

Std.KWInput

D

E

F

G**

H

J

K

S

T

Outlet*

Drain

NW

220

780K

60

50

25

71

21

2

25 1/2

30

5 1/2

5

1 1/2

NW

220

840K

60

50

25

71

21

2

25 1/2

30

5 1/2

5

1 1/2

NW

220

900K

60

50

25

71

21

2

25 1/2

30

5 1/2

5

1 1/2

NW

220

960K

60

50

25

71

21

2

25 1/2

30

5 1/2

5

1 1/2

NW

220

1020K

60

50

25

71

21

2

25 1/2

30

5 1/2

5

1 1/2

NW

220

1080K

60

50

25

71

21

2

25 1/2

30

5 1/2

5

1 1/2

NW

220

1140K

60

50

25

71

21

2

25 1/2

30

5 1/2

5

1 1/2

NW

334

1200K

60

50

25

99

25

2

25 1/2

30

7 1/4

6

2

NW

334

1260K

60

50

25

99

25

2

25 1/2

30

7 1/4

6

2

NW

334

1380K

60

50

25

99

25

2

25 1/2

30

7 1/4

6

2

NW

334

1500K

60

50

25

99

25

2

25 1/2

30

7 1/4

6

2

NW

334

1620K

60

50

25

99

25

2

25 1/2

30

7 1/4

6

2

NW

334

1740K

60

50

25

99

25

2

25 1/2

30

7 1/4

6

2

NW

400

1800K

66

56

28

90 1/2

25 1/2

2 1/2

30

33

7 3/4

8

2

NW

400

1860K

66

56

28

90 1/2

25 1/2

2 1/2

30

33

7 3/4

8

2

NW

400

1980K

66

56

28

90 1/2

25 1/2

2 1/2

30

33

7 3/4

8

2

NW

400

2100K

66

56

28

90 1/2

25 1/2

2 1/2

30

33

7 3/4

8

2

NW

500

2200K

72

62

31

90 1/2

26 1/2

2 1/2

34

36

7 3/4

8

2

NW

500

2340K

72

62

31

90 1/2

26 1/2

2 1/2

34

36

7 3/4

8

2

NW

500

2460K

72

62

31

90 1/2

26 1/2

2 1/2

34

36

7 3/4

8

2

NW

500

2580K

72

62

31

90 1/2

26 1/2

2 1/2

34

36

7 3/4

8

2

NW

670

2700K

78

68

34

96 1/2

30 1/2

2 1/2

38

39

7 3/4

8

2

NW

670

2820K

78

68

34

96 1/2

30 1/2

2 1/2

38

39

7 3/4

8

2

NW

670

2940K

78

68

34

96 1/2

30 1/2

2 1/2

38

39

7 3/4

8

2

NW

670

3060K

78

68

34

96 1/2

30 1/2

2 1/2

38

39

7 3/4

8

2

NW

670

3180K

78

68

34

96 1/2

30 1/2

2 1/2

38

39

7 3/4

8

2

NW

670

3300K

78

68

34

96 1/2

30 1/2

2 1/2

38

39

7 3/4

8

2

NOTE: For boilers 3400KW to 6000KW, consult factory.

*All fittings under 4” will be threaded type. All fittings 4” and larger will be flanged.

**Where overall height is a problem a larger diameter vessel with a reduced height may be furnished.

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Contents DURA-POWER Models NW 37 Sizes and Data 45KW Thru 720KW Dimensional DataSizes and Data 780KW Thru 3300KW ELECTRICAL/RECOVERY Data Water Boiler SpecificationsModel and Rating Plate Grounding FeaturesForeword ApprovalsInstallation Control Circuit Power CircuitCalculating Amperage/Overcurrent Protection Boiler CircuitsElectrical Configuration Table Typical Wiring DiagramsFilling System CleaningFailure to clean the system may cause OperationMaintenance System Water Test ChecklistALL Other Parts Service and Repair ExpenseClaim Procedure Tank

NW 37-670 specifications

A.O. Smith NW 37-670 is a highly regarded water heater that stands out in the residential water heating market. Renowned for its efficiency and reliability, this unit offers homeowners a perfect blend of advanced technology, high performance, and convenience.

One of the main features of the A.O. Smith NW 37-670 is its high recovery rate, which allows for rapid heating of water to meet the demands of a busy household. With a 37-gallon tank capacity, this model can effectively supply hot water for various applications, such as showers, dishwashing, and laundry. The design incorporates a powerful heating element that ensures the water is heated quickly, thus minimizing wait times and improving overall comfort.

Efficiency is a cornerstone of the NW 37-670's design. This water heater features an impressive Energy Factor (EF), which translates to lower energy bills for homeowners. A.O. Smith has integrated advanced insulation materials to maintain water temperature longer, reducing the energy required for reheating. This not only helps in cutting down costs but also promotes eco-friendliness, making it an excellent option for environmentally conscious consumers.

The technology behind the A.O. Smith NW 37-670 includes a state-of-the-art electronic control system. This system continuously monitors the unit's performance and adjusts operations to optimize efficiency. Additionally, the water heater is equipped with a robust diagnostic system that provides real-time feedback, making it easier for homeowners to identify any potential issues before they escalate.

Durability is another defining characteristic of the NW 37-670. Constructed with high-quality materials, including a glass-lined tank for added protection against corrosion, this water heater is designed to last for years with minimal maintenance. The anode rod further enhances its longevity by reducing the potential for rust and increases the lifespan of the unit.

Installation and maintenance are straightforward due to the user-friendly design of the A.O. Smith NW 37-670. It can fit into various spaces, making it a versatile option for both new constructions and replacement projects. A.O. Smith also provides comprehensive support and warranty services, ensuring customer satisfaction and peace of mind.

In summary, the A.O. Smith NW 37-670 is a top-tier water heater that combines efficiency, advanced technology, and durable construction. With its substantial capacity, rapid recovery rate, and modern control features, it is an excellent choice for any home looking for dependable hot water solutions.