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NATURAL GAS AND LIQUID PROPANE GAS
M
odel
N
umber
Capacity
6
5 70,000 24 3 22213
1
⁄2 5
9
1
⁄25
3
1
⁄2 6
0
3
⁄4 2
8
3
⁄41
1
3
⁄46
953
1
⁄2
F
F
loor to
S
pace
Heating
R
eturn
i
n.
G
F
loor to
S
pace
Heating
O
utlet
i
n.
H
F
loor
t
o
Heater
T
op
i
n.
K
D
epth
i
n.
J
F
loor
t
o
Water
C
onn.
i
n.
Approx.
S
hipping
W
eight
l
bs.
E
F
loor
t
o
Gas
C
onn.
i
n.
A
F
loor to
V
ent
Conn.
i
n.
D
F
loor to
T
&P
Conn.
i
n.
C
V
ent
S
ize
i
n.
B
J
acket
D
ia.
i
n.
G
al.
U
.S.
I
nput
N
at.
B
TU/Hr.
6
8
I
nput
L
P
B
TU/Hr.
G
PH
U
.S.
Recovery
1
00°F Rise*
75 76,000
6
3,000
75,500 26 3 27717
3
⁄4 3160
1
⁄4 61
1
⁄2531569
3
⁄4 5374
T
W4-50S-67FB-3N
T
W4-65S-70FB-3N
T
W4-75S-76B-3N
T
W4-50S-67FB-3N
TW4-65S-70FB-3N
TW4-75S-76B-3N
M
odel
Number
C
apacity
L
iters
246 20.5 231
F
F
loor to
Space
H
eating
Return
mm.
G
F
loor to
Space
H
eating
Outlet
mm.
H
F
loor
to
H
eater
Top
mm.
K
D
epth
mm.
J
F
loor
to
W
ater
Conn.
mm.
A
pprox.
S
hipping
Weight
kg.
E
F
loor
to
G
as
Conn.
mm.
A
F
loor to
Vent
C
onn.
mm.
D
F
loor to
T&P
C
onn.
mm.
C
V
ent
Size
mm.
B
J
acket
Dia.
mm.
I
nput
Nat.
kW
18.5
I
nput
LP
kW
5
7
G
PH
I
mp.
H
our
Liters/
R
ecovery
5
6°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
12622.1
61
M
eet or exceed ASHRAE 90.1b (current standard) C.E.C. Listed
80% Recovery Efficiency
4
8
5
4
G
al.
I
mp.
62
4
0 67,000 60,000 65 22
7
⁄8
3
18813
1
⁄2
1
⁄8
3
⁄85
6502657
3
⁄4
3
⁄41
1
3
⁄45
0
1
⁄86
5
6
1
73
5
8
182 220 1673 560 1273 320 343 1273 1432 1467 679 857617.619.6
5
4
Nat.Nat.
5
1
G
PH
I
mp.
60
4
9
LP
G
PH
U
.S.
LP
LP
257
H
our
Liters/
280
246
Nat.
Light Duty TTW
®
4 Energy Saver Models
Commercial Through-The-Wall Gas Water Heater
Printed in U.S.A.
©2007, Bradfor
d 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
Inter
national:
T
elephone
215-641-9400
●
T
elefax
215-641-9750 / www
.bradfor
dwhite.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 cer
tified by CSA Inter
national (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
T
oxic chemicals, such as those used for boiler tr
eatment, shall NEVER be intr
oduced 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 constr
uction 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).