Spec Sheet
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Products made by Bradford White are manufactured in the United States using the finest raw materials and components from around the world.
Model
Number
Capacity
Double Wall Indirect Models
22 27
1
⁄240
1
⁄846
1
⁄4 5
3
⁄847
1
⁄4
F
Floor to
Exchanger
Inlet
in.
C
Floor to
T&P
Conn.
in.
Approx.
Shipping
Weight
lbs.
E
Floor to
Exchanger
Outlet
in.
B
Jacket
Dia.
in.
D
Floor to
Water
Conn.
in.
A
Floor to
Heater
Top
in.
Gal.
U.S.
Model
Number
Capacity
Liters
F
Floor to
Exchanger
Inlet
mm.
C
Floor to
T&P
Conn.
mm.
Approx.
Shipping
Weight
kg.
E
Floor to
Exchanger
Outlet
mm.
B
Jacket
Dia.
mm.
D
Floor to
Water
Conn.
mm.
A
Floor to
Heater
Top
mm.
5591175 1200 137 6991019
Meet or exceed ASHRAE 90.1b (current standard)
Gal.
Imp.
22
195
205
235
255
37
43
57
71
31
36
47
59
89
93
107
116
140
163
216
269
DW-2-40-L
DW-2-50-L
DW-2-65-L
DW-2-80-L
DW-2-40-L
DW-2-50-L
DW-2-65-L
DW-2-80-L
34
3
⁄841 27
1
⁄25
3
⁄841
7
⁄8
5591045 1083 137 699
11
1
⁄2
G
Floor
to
Thermostat
in.
G
Floor
to
Thermostat
mm.
292
11
1
⁄2
2459 27
1
⁄252
7
⁄8 5
3
⁄859
3
⁄4
2259 53
1
⁄8 27
1
⁄25
3
⁄860
11
1
⁄2
11
1
⁄2
292873
6101505 1518 137 6991343
5591505 1527 137 699
292
2921349
Residential PowerStor2
™
Series Double-Wall Indirect Water Heater
Meets NAECA Requirements
General
All units are certified at 300 PSI test pressure (2068 kPa) and 150 PSI working pressure (1034 kPa). All potable water connections are 3⁄4" NPT (19mm) on
8" (203mm) centers.
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 the potable water side. The potable side of this unit may NEVER
be connected to any existing heating system or component(s) previously used with a non-potable water heating appliance. The heat exchanger side of the
unit may be used in space heating applications.
B
D
A
F
E
C
G
POTABLE WATER FITTINGS - 3/4" NPT
ANODES
COLD WATER INLET
HOT WATER OUTLET
TEMPERATURE AND
PRESSURE RELIEF VALVE
FROM BOILER SUPPLY
3/4" NPT
TO BOILER RETURN
3/4" NPT
DRAIN COUPLING - 3/4" NPT
SURFACE MOUNTED
THERMOSTAT
Model
AHRI Certified Water Heater Ratings
DW-2-40-L
DW-2-50-L
DW-2-65-L
DW-2-80-L
First Hour
Rating
@ 135°F
(Gal.)
110
120
135
145
Continuous
Draw Rating
@ 135°F
(Gal./Hr.)
85
85
85
85
Standby
Heat Loss
Rating
(°F/Hr.)
1.1
0.9
0.7
0.6
Minimum
Heat Req.
Rate
(BTU/Hr.)
58,000
58,000
58,000
58,000
Minimum
Heat Source
Flow Rate
(Gal./Min.)
8.0
8.0
8.0
8.0
Model
DW-2-40-L
DW-2-50-L
DW-2-65-L
DW-2-80-L
First Hour
Rating
@ 57°C
(Liters)
416
454
511
549
Continuous
Draw Rating
@ 57°C
(Liters/Hr.)
322
322
322
322
Standby
Heat Loss
Rating
(°C/Hr.)
0.61
0.50
0.39
0.33
Minimum
Heat Req.
Rate
(kW/Hr.)
17.0
17.0
17.0
17.0
Minimum
Heat Source
Flow Rate
(Liters/Min.)
30.3
30.3
30.3
30.3
Model
140°F 115°F
DOE Water Heater Performance
DW-2-40-L
DW-2-50-L
DW-2-65-L
DW-2-80-L
Maximum First
Hour Rating
(Gal.) @
116
123
132
142
164
171
180
190
140°F 115°F
Continuous
Draw Rating
(Gal./Min.) @
Approximate Boiler
Output Needed
For Ratings
(BTU/Hr.)
1.5
1.5
1.5
1.5
2.3
2.3
2.3
2.3
80,000
80,000
80,000
80,000
NOTES: These certified ratings were obtained with a heat
source output rate and flow rate as specified and a 180°F
(82°C) boiler water supply temperature. Other results will be
obtained under different conditions.
NOTES: Based on 200°F (93°C) boiler water temperature and
50°F (10°C) potable water inlet temperature.
Heat Exchanger Head Loss
GPM
2
0.20
5
0.90
8
2.40
10
3.80
12
5.40
Ft. of Hd. Loss
Printed in U.S.A.543-G-0322