Commercial Through-The-Wall Gas Water Heater

Light Duty TTW®4 Energy Saver Models

Meet or exceed ASHRAE 90.1b (current standard) C.E.C. Listed

 

 

NATURAL GAS AND LIQUID PROPANE GAS

 

 

 

 

 

 

80% Recovery Efficiency

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

Capacity

 

 

 

Recovery

 

A

B

C

D

E

F

G

H

J

K

Approx.

 

 

 

100°F Rise*

 

Floor to

Jacket

Vent

Floor to

Floor

Floor to

Floor to

Floor

Floor

Depth

Shipping

Number

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vent

Dia.

Size

T&P

to

Space

Space

to

to

 

Weight

 

 

 

 

LP

 

 

 

 

 

 

 

 

Nat.

Nat. Nat.

LP

LP

Conn.

 

 

Conn.

Gas

Heating

Heating

Heater

Water

 

 

 

U.S. Imp.

BTU/Hr.

BTU/Hr.

U.S. Imp.

U.S.

Imp.

in.

in.

in.

in.

Conn.

Return

Outlet

Top

Conn.

in.

lbs.

 

Gal. Gal.

Input

Input

GPH

GPH

GPH

GPH

in.

in.

in.

in.

in.

TW4-50S-67FB-3N

48

40

67,000

60,000

65

54

58

49

6578

22

3

5018

1134

1312

5018

5638

5734

2634

188

TW4-65S-70FB-3N

65

54

70,000

63,000

68

57

61

51

69

24

3

5312

1134

1312

5312

5912

6034

2834

222

TW4-75S-76B-3N

75

62

76,000

75,500

74

61

73

60

6934

26

3

53

15

1734

53

6014

6112

31

277

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Model

Capacity

 

 

 

Recovery

 

A

B

C

D

E

F

G

H

J

K

Approx.

 

 

 

56°C Rise*

 

Floor to

Jacket

Vent

Floor to

Floor

Floor to

Floor to

Floor

Floor

Depth

Shipping

Number

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Vent

Dia.

Size

T&P

to

Space

Space

to

to

 

Weight

 

 

 

 

LP

 

 

 

 

 

 

 

 

Nat.

Nat.

 

LP

 

Conn.

 

 

Conn.

Gas

Heating

Heating

Heater

Water

 

 

 

Liters

kW

kW

Liters/

Liters/

mm.

mm.

mm.

mm.

Conn.

Return

Outlet

Top

Conn.

mm.

kg.

 

Input

Input

Hour

 

Hour

 

mm.

mm.

mm.

mm.

mm.

TW4-50S-67FB-3N

182

19.6

17.6

246

 

220

 

1673

560

76

1273

320

343

1273

1432

1467

679

85

TW4-65S-70FB-3N

246

20.5

18.5

257

 

231

 

1753

610

76

1360

320

343

1360

1511

1543

730

101

TW4-75S-76B-3N

284

22.3

22.1

280

 

276

 

1772

660

76

1346

381

451

1346

1530

1562

787

126

All propane heaters are equipped with a cast iron burner. To order a propane heater replace the suffix “B” with “C” and change the suffix “N” to “X”. For 5 year models, change suffix from “3” to “5”.

*Based on manufacturers rated recovery efficiency.

110 V.A.C. Required for Power Venting / 110 V.A.C. 60HZ 3.1 Amperes. NSF construction available.

 

 

 

C

 

 

 

K

A

 

 

B

 

J

H

 

 

 

D & G

 

 

 

 

 

E

F

 

 

 

TW4-50S-67

 

3"

4"

TW4-65S-70

 

Vent Pipe

Vent Pipe

TW4-75S-76

 

 

 

Max. Equivalent Length

†60 ft.**

†180 ft.

Min. Equivalent Length

7 ft.

15 ft.

Number

1

55 ft.

175 ft.

of

2

50 ft.

170 ft.

90° Elbows

3

45 ft.

165 ft.

Subtract 5ft. for each additional 90° elbow

†For high altitude installations, consult the installation instructions.

**TW4-75S Max. 3" vent length is 50ft.

Note: (TW4-75S will not have a pedestal base).

All natural gas models meet SCAQMD Requirements. Meets NAECA Requirements.

General

All gas water heaters are certified at 300 PSI (2068 kPa) test pressure and 150 PSI (1034 kPa) working pressure. All water connections are 3⁄4" NPT (19mm) on 11" (279mm) centers, all gas connections are 1⁄2" (13mm).

All models design certified by CSA International (formerly AGA/CGA), ANSI Z-21.10.1 and/or 10.3 and peak performance rated.

Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.

Suitable for Water (Potable) Heating and Space Heating

Toxic chemicals, such as those used for boiler treatment, shall NEVER be introduced into this system. This unit may NEVER be connected to any existing heating system or component(s) previously used with a non-potable water heating appliance.

Ambler, PA

For U.S. and Canada field service, contact your professional installer or local Bradford White sales representative.

Sales 800-523-2931 Fax 215-641-1670 / Technical Support 800-334-3393 Fax 269-795-1089 Warranty 800-531-2111 Fax 269-795-1089

International: Telephone 215-641-9400 Telefax 215-641-9750 / www.bradfordwhite.com

Sales / Technical Support 866-690-0961 /905-238-0100 Fax 905-238-0105 /www.bradfordwhite.com

©2007, Bradford White Corporation. All rights reserved.

355-B 0407

Printed in U.S.A.

Page 2
Image 2
Bradford-White Corp 355-B warranty Commercial Through-The-Wall Gas Water Heater, Light Duty TTW 4 Energy Saver Models

355-B specifications

Bradford-White Corp 355-B is a premier water heater that exemplifies quality, reliability, and energy efficiency. As part of the Bradford White lineup, it offers a robust solution for both residential and commercial applications. Known for its advanced technology and superior performance, the 355-B model is engineered to meet high standards while optimizing energy use.

One of the standout features of the Bradford-White 355-B is its unique combustion technology. This water heater uses a direct vent system, ensuring that it draws in fresh air for combustion while venting exhaust gases effectively. This design minimizes the risk of backdrafting and enhances safety, making it ideal for indoor installation. The direct vent system also allows for flexible positioning, which can be a significant advantage in constrained spaces.

The 355-B is equipped with a state-of-the-art electronic ignition system, which eliminates the need for a standing pilot light. This feature not only improves energy efficiency but also provides reliable starts in various conditions, contributing to the unit's overall durability. With a recovery rate that efficiently meets high-demand needs, the 355-B is capable of serving multiple fixtures simultaneously, ensuring a steady supply of hot water.

Energy efficiency is further enhanced by the insulation used in the Bradford-White 355-B. Its high-density foam insulation reduces heat loss, thus helping to lower energy bills. The unit also features a high-efficiency gas burner that can adjust to the demand, ensuring that energy is used only when necessary. This combination of features aligns with modern energy-saving standards, making it an environmentally friendly choice.

The Bradford-White 355-B is designed with user-friendly maintenance in mind. The unit includes a removable access panel, allowing technicians to perform routine checks and servicing without difficulty. Additionally, the robust construction ensures long-lasting performance, backed by substantial warranties that provide peace of mind for owners.

In conclusion, the Bradford-White Corp 355-B water heater stands out in the marketplace for its innovative features, energy efficiency, and ease of maintenance. Its combination of advanced combustion technology, user-friendly design, and reliable performance make it an excellent choice for anyone in need of a dependable hot water solution. Whether for a home or a commercial space, the 355-B promises to deliver consistent hot water and comfort for years to come.