NATURAL GAS AND LIQUID PROPANE GAS
Model
Number
Capacity
65
70,000
24
3
222
13
1
⁄
2
59
1
⁄
2
53
1
⁄
2
60
3
⁄
4
28
3
⁄
4
11
3
⁄
4
69
53
1
⁄
2
F
Floor to
Space
Heating
Return
in.
G
Floor to
Space
Heating
Outlet
in.
H
Floor
to
Heater
Top
in.
K
Depth
in.
J
Floor
to
Water
Conn.
in.
Approx.
Shipping
Weight
lbs.
E
Floor
to
Gas
Conn.
in.
A
Floor to
Vent
Conn.
in.
D
Floor to
T&P
Conn.
in.
C
Vent
Size
in.
B
Jacket
Dia.
in.
Gal.
U.S.
Input
Nat.
BTU/Hr.
68
Input
LP
BTU/Hr.
GPH
U.S.
Recovery
100
°
F Rise*
75
76,000
63,000
75,500
26
3
277
17
3
⁄
4
31
60
1
⁄
4
61
1
⁄
2
53
15
69
3
⁄
4
53
74
TW4-
50S-67FB-3N
TW4-
65S-70FB-3N
TW4-
75S-76B-3N
TW4-
50S-67FB-3N
TW4-
65S-70FB-3N
TW4-
75S-76B-3N
Model
Number
Capacity
Liters
246
20.5
231
F
Floor to
Space
Heating
Return
mm.
G
Floor to
Space
Heating
Outlet
mm.
H
Floor
to
Heater
Top
mm.
K
Depth
mm.
J
Floor
to
Water
Conn.
mm.
Approx.
Shipping
Weight
kg.
E
Floor
to
Gas
Conn.
mm.
A
Floor to
Vent
Conn.
mm.
D
Floor to
T&P
Conn.
mm.
C
Vent
Size
mm.
B
Jacket
Dia.
mm.
Input
Nat.
kW
18.5
Input
LP
kW
57
GPH
Imp.
Hour
Liters/
Recovery
56
°
C Rise*
284
22.3
276
1753
1772
610
660
76
76
1360
1346
320
381
343
451
1360
1346
1511
1530
1543
1562
730
787
101
126
22.1
61
Meet or exceed ASHRAE 90.1b (current standard) C.E.C. Listed
80% Recovery Efficiency
48
54
Gal.
Imp.
62
40
67,000 60,000
65
22
7
⁄
8
3
188
13
1
⁄
2
1
⁄
8
3
⁄
8
56
50
26
57
3
⁄
4
3
⁄
4
11
3
⁄
4
50
1
⁄
8
65
61
73
58
182
220
1673
560
1273
320
343
1273
1432
1467
679
85
76
17.6
19.6
54
Nat.
Nat.
51
GPH
Imp.
60
49
LP
GPH
U.S.
LP
LP
257
Hour
Liters/
280
246
Nat.
Light Duty TTW
®
4 Energy Saver Models
Commercial Through-The-Wall Gas Water Heater
Printed in U.S.A.
©2007, Bradford White Corporation. All rights reserved.
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
355-B 0407
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.
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.
3"
Vent Pipe
4"
Vent Pipe
TW4-50S-67
TW4-65S-70
TW4-75S-76
†60 ft.**
7 ft.
55 ft.
50 ft.
45 ft.
Max. Equivalent Length
Min. Equivalent Length
Number 1
of 2
90
°
Elbows 3
†180 ft.
15 ft.
175 ft.
170 ft.
165 ft.
C
A
J
H
E
F
B
D & G
K
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).
