Spec Sheet
NATURAL GAS AND LIQUID PROPANE GAS
Energy Saver Models
Meet or exceed ASHRAE 90.1b (current standard) C.E.C. Listed
8
0% Recovery Efficiency
Model
Number
C
apacity
F
Floor
to
T
op of
Heater
in.
A
pprox.
Shipping
Weight
lbs.
E
Floor
to
G
as
Conn.
in.
A
Floor to
Vent
C
onn.
in.
D
Floor to
T&P
C
onn.
in.
C
Vent
Size
in.
B
Jacket
Dia.
in.
Gal.
U.S.
Input
Nat.
BTU
GPH
Nat.
Imp.
Input
LP
BTU
GPH
LP
U.S.
R
ecovery
90°F Rise*
40 40,000 2057
1
⁄2
2 1404136
M
-1-TW- 40S6BN
50
Gal.
Imp.
33
42 40,000
37,500
37,500 22 2
47
16641
3
⁄4 48
1
⁄4
49
49
1
⁄2
12
1
⁄2
12
1
⁄2
25
1
⁄4
58
3
⁄836
GPH
Nat.
U.S.
43
43
40
40
GPH
LP
Imp.
33
33
M-1-TW- 50S6BN
M
odel
Number
Capacity
L
iters
F
F
loor
to
Top of
H
eater
mm.
Approx.
S
hipping
Weight
kg.
E
F
loor
to
Gas
C
onn.
mm.
A
F
loor to
Vent
Conn.
mm.
D
F
loor to
T&P
Conn.
mm.
C
V
ent
Size
mm.
B
J
acket
Dia.
mm.
I
nput
N
at.
kW
H
our
N
at.
Liters/
I
nput
L
P
kW
Recovery
5
0°C Rise*
H
our
L
P
Liters/
1
51 11.7 163
1
89 11.7
1
1.0
1
1.0
1
51
1
51163
1
461
1
483
5
10
5
60
5
1
5
1
1
040
1
060
3
20
3
20
1
195
1
225
G
Floor
to
W
ater
Conn.
in.
G
F
loor
to
Water
C
onn.
mm.
1
245
1
257
27
1
⁄4
H
Depth
in.
H
D
epth
mm.
6
40
6
90
6
4
7
6
M
-1-TW- 40S6BN
M
-1-TW- 50S6BN
TTW
®
1 Through-The-Wall Gas Water Heater
Printed in U.S.A.
©2006, 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
Inter
national:
T
elephone
215-641-9400
●
T
elefax
215-641-9750 / Fax on Demand 888-538-7833 / www
.bradfordwhite.com
Sales / T
echnical Support
866-690-0961 / 905-238-0100
●
Fax 905-238-0105 / www
.bradfordwhitecanada.com
1000-B 0506
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 ar
e 3⁄4" NPT (19mm) on 8" (203mm) centers, all gas connections are 1⁄2" (13mm).
All models design certified by CSA International (formerly AGA/CGA), ANSI Z-21.10.1 and peak performance rated.
Dimensions and specifications subject to change without notice in accor
dance 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 change suffix “BN” to “CX”.
F
or 10 year models, change suffix from “6” to “10”.
*Based on manufactur
ers rated recovery efficiency.
110 V.A.C. Required for Power Venting / 110 V.A.C., 60HZ, 3.1 Amperes
C
A
G
F
E
B
D
H
2"
Vent Pipe
3"
Vent Pipe
M-1-TW50
M-1-TW40
†
50 ft.
7 ft.
45 ft.
40 ft.
35 ft.
†
120 ft.
15 ft.
115 ft.
110 ft.
105 ft.
Max. Equivalent Length
Min. Equivalent Length
Number 1
of 2
90° Elbows 3
†For high altitude installations, consult
the installation instr
uctions.