Spec Sheet
Single Coil Electric Backup Models
Meet or exceed ASHRAE 90.1b (current standard)
Model
Number
Approx.
Shipping
Weight
lbs.
A
Floor to
Heater
Top
in.
C
Floor to
Water
Conn.
in.
B
Jacket
Dia.
in.
Capacity Recovery at
90°F Rise*
S-SW2-60R6DS
S-SW2-75R6DS
S-SW2-115R6DS
U.S.
Gal.
60
75
115
Imp.
Gal.
50
62
96
U.S.
GPH
20
20
20
Imp.
GPH
18
18
18
59
1
/
4
59
1
/
4
62
3
/
4
63
1
/
4
63
1
/
4
66
3
/
4
210
236
340
22
24
28
1
/
4
E
Floor to
Solar
Collector
Supply
in.
29
1
/
2
29
1
/
2
29
1
/
2
7
3
/
8
7
3
/
8
7
3
/
8
53
53
55
3
/
4
D
Floor to
T&P
Conn.
in.
Model
Number
Approx.
Shipping
Weight
kg.
A
Floor to
Heater
Top
mm.
C
Floor to
Water
Conn.
mm.
B
Jacket
Dia.
mm.
Capacity Recovery at
50°C Rise*
S-SW2-60R6DS
S-SW2-75R6DS
S-SW2-115R6DS
Liters
227
283
435
Liters/
Hour
76
76
76
1504
1504
1593
1607
1607
1695
95
107
154
559
609
717
E
Floor to
Solar
Collector
Supply
mm.
749
749
749
F
Floor to
Solar
Collector
Return
in.
F
Floor to
Solar
Collector
Return
mm.
187
187
187
1346
1346
1416
D
Floor to
T&P
Conn.
mm.
EcoStor
™
Indirect Water Heater System
General
All electric water heaters are certified at 300 PSI test pressure (2068 kPa) and 150 PSI working pressure (1034 kPa). All potable water and electrical
connections are 3⁄4" NPT (19mm) on 8" (203mm) centers. All models ETL listed.
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 side of this system. The potable side may NEVER be
connected to any existing heating system or component(s) previously used with a non-potable water heating appliance.
C
D
F
E
A
B
Solar Sensor Wiring
Junction Box
Optional Outlet
for Recirculation
(S-SW2-60R & S-SW2-75R)
Solar Thermistor Wires
Upper Heating Element
with Thermostat
Thermostat
(controls lower element
on dual element models)
Solar Thermistor Wires
Lower Heating Element
(on dual element models)
*Based on standard 240 volt 4500W/4500W, Non-Simultaneous operation.
Optional 5500W/5500W, Non-Simultaneous operation.
For single element models change suffix "D" to "S".
Printed in U.S.A.
501-B-0914-A
©2014, 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
Model
Number
Electric Backup Water Heater Ratings
First Hour Supply (Gal.)
Single
Element
Dual
Element
Standby Heat
Loss Rating
(°F/Hr.)
S-SW2-60R6DS
S-SW2-75R6DS
S-SW2-115R6DS
84
97
124
46
53
83
1.1
0.9
0.7
Heat Exchanger Pressure Drop Curve
Flow Rate (GPM)
Pressure Drop (PSID)
Head Loss (ft. w.c.)
16.00
14.00
12.00
10.00
8.00
6.00
4.00
2.00
0.00
7.00
6.00
5.00
4.00
3.00
2.00
1.00
0.00
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14