A.O. Smith HW-120M, 225M, 200M, 160M warranty Rough-In-Dimensions, Heater Performance Data

Page 2

ROUGH-IN-DIMENSIONS

TABLE 1 - ROUGH-IN DIMENSIONS

Models

 

HW-120M

HW-160M

HW-200M

HW-200M

Dimensions

Inches

mm

Inches

mm

Inches

mm

Inches

mm

A

49

3/8

1254

50 1/8

1273

53

1/4

1353

60

1524

B

30

3/8

772

30 3/8

772

33

1/8

841

33 1/8

841

C

23

5/8

600

23 5/8

600

27

1/8

689

27 1/8

689

D

20

3/4

527

20 3/4

527

20

3/4

527

20 3/4

527

E

5 1/2

140

5 1/2

140

5 1/2

140

5 1/2

140

F

10

254

10

254

10

254

10

254

G

11 13/16

300

11 13/16

300

11 13/16

300

11 13/16

300

H

 

6

152

7

178

 

7

178

7

178

J

26 11/16

678

26 11/16

678

26 11/16

678

26 11/16

678

K

20

3/4

527

20 3/4

527

20

3/4

527

20 3/4

527

L

 

1 1/4

NPT

1 1/4

NPT

 

1 1/4

NPT

1 1/4

NPT

M

 

1 NPT

1 NPT

 

1 NPT

1 NPT

N

 

1/2 NPT

1/2 NPT

 

1/2 NPT

1/2 NPT

W

1 3/4

44

1 3/4

44

1 3/4

44

1 3/4

44

Approx.

 

 

 

 

 

 

 

 

 

 

Shipping

120 lbs.

54 Kg.

155 lbs.

70 Kg.

165

Lbs.

75 Kg.

175 lbs.

79 Kg.

Weight

 

 

 

 

 

 

 

 

 

 

HEATER PERFORMANCE DATA

NOTE: To compensate for the effects of high altitude areas above 2000 feet, input rating, and therefore recovery ratings, should be reduced approximately 4% for each 1000 feet above sea level.

TABLE 2 - RECOVERY CAPACITIES

 

 

 

 

 

 

U.S. Gallons/Hrs. and Litres/Hr. at TEMPERATURE RISE INDICATED

 

 

 

 

 

 

Input

 

20F°

30F°

36F°

40F°

50F°

54F°

60F°

70F°

72F°

80F°

90F°

100F°

108F°

110F°

120F°

126F°

130F°

140F°

Model

Btuh

 

KW

11.1C°

16.6C°

20C°

22.2C°

27.7C°

30C°

33.3C°

38.8C°

40C°

44.4°

50C°

55.5C°

60C°

61.1C°

66.6C°

70C°

72.2C°

77.7C°

HW-120M

120,000

 

 

GPH

605

403

336

303

242

224

202

173

168

151

134

121

112

110

101

96

93

86

 

 

35

LPH

2290

1527

1272

1145

916

848

763

654

636

573

509

458

242

416

382

364

352

327

 

 

 

HW-160M

160,000

 

 

GPH

777

518

432

388

311

288

259

222

216

194

173

155

144

141

129

123

120

111

 

 

47

LPH

2941

1961

1634

1471

1176

1089

980

840

817

735

654

588

545

535

490

467

452

420

 

 

 

HW-200M

199,000

 

 

GPH

987

658

548

494

395

366

329

282

274

247

219

197

183

179

165

157

152

141

 

 

58

LPH

3737

2491

2076

1869

1495

1384

1246

1068

1038

934

830

747

692

679

623

593

575

534

 

 

 

HW-2250M

225,000

 

 

GPH

1096

731

609

548

438

406

365

313

304

274

244

219

203

199

183

174

169

157

 

 

66

LPH

4149

2766

2305

2074

1659

1537

1383

1185

1152

1037

922

830

768

754

691

659

638

593

 

 

 

Recovery rating of models shown in chart above are obtained by actual efficiency test data by recognized Certification Agency.

NOTE: Recovery rate shown on each models rating plate is based on the requirements of ANSI Standard Z21.10.3, which stipulates the data to be based on energy efficiency of 75%.

TABLE 3 - CAPACITY AND GAS AND ELECTRIC CHARACTERISTICS

 

Manifold Pressure

 

Maximum Supply Pressure

Electrical Characteristics

Model

Type of Gas

Inches W.C.

kPa

Inches W.C.

kPa

Volts/Hz

Amperes

HW-120M thru 225M

NATURAL

3.5

0.87

10.5

2.61

120/60

<5

HW-120M thru 200M

PROPANE

10

2.49

13.0

3.23

120/60

<5

Minimum Supply Pressure, Natural Gas: 4.5 inches W.C. (1.12 kPa)

Minimum Supply Pressure, Propane Gas: 11.0 inches W.C. (1.74 kPa)

Minimum Pressure must be maintained under both load and no load (static and dynamic) conditions.

2

Image 2
Contents Models HW-120M, 160M, 200M, 225M Commercial GAS Copper Heat Exchanger Water HeaterROUGH-IN-DIMENSIONS Heater Performance DataForeword Table of ContentsGeneral Safety Information Chemical Vapor Corrosion High Altitude InstallationsGrounding Instructions Liquid Petroleum ModelsThermal Balancer FeaturesAutomatic GAS Shutoff Control Intermittent Ignition Control ModuleCirculating Pump Tank Temperature ControlSafety Flow Switch Intermittent Ignition Control Module I.I.DSafety Flow Switch Settings Drain Valve Not SuppliedInstallation Instructions Relief Valve Proper Vent Pipe InstallationVenting Confined SpaceWater Line Connections Hard WaterClosed Water System Water Potable HeatingPiping Diagrams Page Page Sizing GAS Supply Line GAS ConnectionsCorrect GAS GAS Supply Pipe Sizes in InchesElectrical Information Page Filling OperationGeneral Purging of GAS LineFor Your Safety Read Before Operating Operating Instructions for I.I.D. ModelsChecking and Adjusting the Input Over 170F 77CD. Pilot Burner Service InformationPilot and Main Burner Maintenance Main Burner for HW HeatersThermal Balancer Schematic Diagram Protector SwitchProtector Switch Continuity Test Inspecting the Heat Exchanger Venting SystemReplacement Parts Preventive MaintenanceElectrical Service GAS Pressure RegulatorHeavy Lime Deposits Deliming SolventsRemoving Light Deposits Deliming the HW Water HeaterSystem Operation CheckoutRemoving Silicate No Spark AT Pilot Burner YESSpark AT Pilot Burner but Pilot will not Light Replace pilot burner Replace ignition ModulePilot Burner Lights but Main Burner does not Light MV & MV/PV?Conditions and Exceptions Service and Repair ExpensesClaim Procedure Limitations on Implied Warranties

HW-120M, 225M, 200M, 160M specifications

A.O. Smith is renowned for its range of advanced water heaters, and the 160M, 200M, 225M, and HW-120M models stand out as some of the most reliable and innovative options available. These water heaters are designed to deliver exceptional performance, energy efficiency, and user-friendly features, making them ideal for various residential and commercial applications.

The A.O. Smith 160M model boasts a robust design that ensures longevity and efficiency. It has a 160-gallon capacity, providing ample hot water for households with high demand. This model incorporates insulation technology that minimizes heat loss, contributing to energy savings and reduced utility bills. Additionally, it features a durable exterior that is resistant to rust and corrosion.

The 200M model takes performance a step further with a higher capacity of 200 gallons, making it suitable for larger homes or businesses. This model is equipped with advanced components, including a high-efficiency burner and a powerful thermocouple that ensures reliable heating. The 200M also includes user-friendly controls that allow for precise temperature settings and easy operation.

Next in line is the A.O. Smith 225M, which offers an impressive 225-gallon capacity. This model is designed for heavy-duty usage and features a reinforced tank to withstand high pressure. The 225M is also equipped with state-of-the-art flame retention technology that optimizes fuel use, enhancing the overall efficiency of the unit. This ensures that customers not only get hot water when needed but also experience considerable savings on energy costs.

Finally, the HW-120M model is a compact solution that does not compromise on performance. With a capacity of 120 gallons, it is ideal for smaller households or spaces where water heating needs are moderate. The HW-120M includes features such as an LED display for easy temperature monitoring and an integrated safety system that prevents overheating.

All these models utilize advanced technologies such as electronic ignition and enhanced insulation materials, contributing to a reduction in energy consumption and maintenance needs. The combination of these features makes A.O. Smith appliances a smart choice for consumers looking for efficiency, reliability, and performance. With a strong commitment to craftsmanship and innovation, A.O. Smith continues to set the standard in water heater technology, ensuring customers enjoy reliable hot water access while promoting energy efficiency.