NATURAL GAS
Light Duty High Performance Energy Saver Models
Meet or exceed ASHRAE 90.1b (current standard) C.E.C. Listed
82% Thermal Efficiency
Model
Number
Approx.
Shipping
Weight
lbs.
E
Floor to
Gas
Conn.
in.
A
Floor to
Flue
Conn
in.
C
Vent
Size
in.
B
Jacket
Dia.
in.
Capacity
Recovery at
140°F Rise*
25X-78B-3N
55X-80B-3N
U.S.
Gal.
25
55
Imp.
Gal.
21
46
Nat.
BTU/Hr.
Input
78,000
80,000
Nat.
U.S.
GPH
54
55
Nat.
Imp.
GPH
45
46
58
1
/
2
59
5
/
8
4
4
150
200
18
22
14
13
/
16
14
13
/
16
F
Floor to
Space
Heating
Return
in.
15
7
/
16
15
7
/
16
50
50
D
Floor to
T&P
Conn.
in.
Model
Number
Approx.
Shipping
Weight
kg.
E
Floor to
Gas
Conn.
mm.
A
Floor to
Flue
Conn
mm.
C
Vent
Size
mm.
B
Jacket
Dia.
mm.
Capacity
Recovery at
78°C Rise*
25X-78B-3N
55X-80B-3N
Liters
94
208
Nat.
kW
Input
22.9
23.5
Nat.
Liters/
Hour
204
210
Recovery at
100°F Rise*
Nat.
U.S.
GPH
76
78
Nat.
Imp.
GPH
64
65
Recovery at
56°C Rise*
Nat.
Liters/
Hour
287
295
1486
1514
102
102
68
91
457
559
376
376
F
Floor to
Space
Heating
Return
mm.
392
392
G
Floor to
Space
Heating
Outlet
in.
50
50
G
Floor to
Space
Heating
Outlet
mm.
1270
1270
H
Floor to
Heater
Top
in.
54
5
/
8
56
H
Floor to
Heater
Top
mm.
1388
1422
I
Floor to
Alternate
Temp.Water
Outlet
in.
56
23
/
32
58
3
/
16
I
Floor to
Alternate
Temp. Water
Outlet
mm.
1426
1477
J
Floor to
Water
Conn.†
in.
61
3
/
8
62
13
/
16
J
Floor to
Water
Conn.†
mm.
1558
1595
K
Depth
in.
22
26
1
/
4
K
Depth
mm.
559
667
1270
1270
D
Floor to
T&P
Conn.
mm.
Commercial Atmospheric Vent Gas Water Heater
General
All gas water heaters are certified at 300 PSI test pressure (2068 kPa) and 150 PSI working pressure (1034 kPa). All water connections are 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 standard 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.
H
I
J
G & D
A
K
B
C
E
F
PLUG TYPE
ANODE
X
W
Y
Z
Model
Number
X
Distance
Between
Centers
in.
Z
Height
to
Center
of Pipe
in.
Y
Depth of
Mixing
Device
in.
25X-78B-3N
55X-80B-3N
8
8
W
in.
4
4
4
5
/
8
4
5
/
8
3
1
/
4
3
1
/
4
*Based on manufacturers rated recovery efficiency.
†Dimension to top of installed mixing device.
Alternate Temperature Water Outlet Kit (ATWOK) see detail to right.
Integrated Mixing Device
(ATWOK installation required for operation)
Printed in U.S.A.
315-B-0807-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
