Commercial Gas Water Heaters

 

 

 

 

 

 

 

 

Dimension Tables for BTN Models 120-400

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Approx.

Type of

Input

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Approx. Ship.

Model

Tank Cap.

Rating

A

B

C

D

E

F

 

G

 

 

H

 

I

J

Weight

 

 

 

 

Gas

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Gals.)

Btu/Hr.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Std.

ASME

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTN120

71

 

nat

120,000

63

 

4 1/4

 

59 1/2

50 7/8

 

19 5/8

 

19

1/2

 

51 7/8

 

6

 

27 3/4

400

 

--

BTN154

81

 

nat

154,000

68

 

4 1/2

 

62

 

53 5/8

 

20 1/2

 

21

1/2

 

54 5/8

 

6

 

27 3/4

470

 

--

BTN180

99

 

nat

180,000

72

 

4 1/2

 

70

 

61 5/8

 

20 1/2

 

21

1/2

 

61

 

6

 

27 3/4

470

 

--

BTN199

99

 

nat

199,000

72

 

4 1/2

 

70

 

61 5/8

 

20 1/2

 

21

1/2

 

61

 

6

 

27 3/4

470

 

--

BTN200(A)

100

 

nat

199,000

72

 

4 1/2

 

70

 

61 5/8

 

20 1/2

 

21

1/2

 

61

 

6

 

27 3/4

603

 

625

BTN250(A)

100

 

nat

250,000

72

 

4 1/2

 

70

 

61 5/8

 

20 1/2

 

21

1/2

 

61

 

6

 

27 3/4

603

 

625

BTN275(A)

100

 

nat

275,000

72

 

4 1/2

 

70

 

61 5/8

 

20 1/2

 

21

1/2

 

61

 

6

 

27 3/4

603

 

625

BTN310(A)

85

 

nat

310,000

73

 

4 1/2

 

72

 

62 1/2

 

20 1/2

 

21

1/2

 

63

 

6

 

27 3/4

603

 

625

BTN366(A)

85

 

nat

366,000

73

 

4 1/2

 

72

 

62 1/2

 

22 1/2

 

21

1/2

 

63

 

6

 

27 3/4

725

 

833

BTN400(A)

85

 

nat

390,000

73

 

4 1/2

 

72

 

62 1/2

 

22 1/2

 

21

1/2

 

63

 

6

 

27 3/4

725

 

833

All dimensions are in inches.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Recovery Capacities for BTN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input

 

 

 

 

 

 

 

 

 

Temperature Rise - Degrees F - Gallons Per Hour

 

 

 

 

 

 

 

Model

 

Rating

 

Gal.

 

30

 

40

 

50

 

60

 

70

 

80

 

90

 

100

 

110

 

 

120

 

130

 

140

 

 

Btu/Hr.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

BTN120

 

120,000

 

71

 

388

 

291

 

233

 

194

 

166

 

145

 

129

 

116

 

106

 

 

97

 

90

 

83

BTN154

 

154,000

 

81

 

498

 

373

 

299

 

249

 

213

 

187

 

166

 

149

 

136

 

 

124

 

115

 

107

BTN180

 

180,000

 

99

 

582

 

436

 

349

 

291

 

249

 

218

 

194

 

175

 

159

 

 

145

 

134

 

125

BTN199

 

199,000

 

99

 

643

 

482

 

386

 

322

 

276

 

241

 

214

 

193

 

175

 

 

161

 

148

 

138

BTN200(A)

 

199,000

 

100

 

643

 

482

 

386

 

322

 

276

 

241

 

214

 

193

 

175

 

 

161

 

148

 

138

BTN250(A)

 

250,000

 

100

 

808

 

606

 

485

 

404

 

346

 

303

 

269

 

242

 

220

 

 

202

 

186

 

173

BTN275(A)

 

275,000

 

100

 

889

 

667

 

533

 

444

 

381

 

333

 

296

 

267

 

242

 

 

222

 

205

 

190

BTN310(A)

 

310,000

 

85

 

1002

 

752

 

601

 

501

 

430

 

376

 

334

 

300

 

273

 

 

251

 

231

 

215

BTN366(A)

 

366,000

 

85

 

1183

 

887

 

710

 

592

 

507

 

444

 

394

 

355

 

323

 

 

296

 

273

 

254

BTN400(A)

 

390,000

 

85

 

1261

 

945

 

756

 

630

 

540

 

473

 

420

 

378

 

344

 

 

315

 

291

 

270

SUGGESTED SPECIFICATION

Water Heater(s) shall be Model __________ as manufactured by A. O. SMITH, or equal. Water heater(s) shall be of glass-lined design,

and gasfired, equipped to burn __________ gas and design certified by the Underwriter Laboratory under Volume III tests for

commercial heaters for delivery of 180°F water, and meet the requirements of ASHRAE/IES 90.1-2004. Heaters shall have an input rating of __________ and a recovery rating of __________ GPH at a temperature rise of 100°F with a storage capacity of __________

gallons. Heaters shall be equipped with 1 1/2” water inlet and outlet openings (BTN 200, 250, 275, 310 rear openings are 2”), a 2 3/4” x 3 3/4” boiler-type handhole cleanout and shall have a maximum working pressure of 160 psi. Water heater(s) shall be equipped with an integrated control system consisting of a 180°F adjustable thermostat with upper and lower sensing bulbs, which average the water temperatures at the top and bottom of the tank for maximum water temperature control. Heater(s) shall be provided with a manual reset gas shutoff device, a gas pressure regulator set for the type of gas supplied, coated steel burners, an approved draft diverter, anodes for cathodic protection, flue damper and IID system. A.G.A. pressure and temperature relief valve shall be furnished and installed by the factory. The heater shall be insulated with foam insulation or equal. The outer jacket shall have a baked enamel finish over a bonderized undercoating. All internal surfaces of the heater(s) exposed to water shall be glass-lined with an alkaline borosilicate composition that has been fused-to-steel by firing at a temperature range of 1400° to 1600°F. Heater tank shall have a 3 year limited warranty against corrosion or sediment buildup as outlined in the written warranty. Fully illustrated instruction manual to be included.

For Technical Information and Automated Fax Service, call 800-527-1953. A.O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

www.hotwater.com

AOSCG10500

Revised September 2008

PG 4 OF 4

Page 4
Image 4
A.O. Smith BTN 120-40D specifications Asme, Suggested Specification

BTN 120-40D specifications

The A.O. Smith BTN 120-40D is a commercial-grade water heater designed for efficiency and reliability in various applications. Known for its robust performance, it offers a combination of advanced technologies and user-friendly features, making it a top choice for businesses and industries that require a consistent supply of hot water.

One of the standout features of the BTN 120-40D is its impressive heating capacity. With a storage tank that holds up to 120 gallons, this water heater can provide a high volume of hot water for restaurants, hotels, and other establishments that experience heavy usage. The design ensures a quick recovery rate, allowing it to keep pace with peak demands without any significant drops in temperature.

This unit is equipped with A.O. Smith's state-of-the-art control technology, which optimizes energy usage while maintaining set temperature levels. The intelligent diagnostics feature allows for real-time monitoring and alerts, helping to prevent issues before they arise. This predictive maintenance capability not only enhances efficiency but also extends the lifespan of the unit.

In terms of construction, the BTN 120-40D is built with high-quality materials to withstand the rigors of commercial use. Its robust tank is protected with a glass-lined coating, providing excellent corrosion resistance. Additionally, it has been designed with an insulation layer that minimizes heat loss, ensuring energy efficiency and reducing overall operational costs.

The water heater also comes with advanced safety features, including an adjustable thermostat and a combination temperature and pressure relief valve, which work together to maintain optimal performance and safety standards. The unit is compatible with both natural gas and propane, offering flexibility in fuel options.

Overall, the A.O. Smith BTN 120-40D exemplifies durability, efficiency, and cutting-edge technology. Its capacity to deliver large volumes of hot water, combined with smart features and high-quality materials, makes it an ideal solution for those requiring a dependable water heating system. Whether for commercial kitchens, laundries, or industrial processes, this model stands out as an investment in reliable performance and operational efficiency.