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NST011
Solar System Single Coil Electric Backup
Single Coil, Single-Wall
Electric Backup Models
Capacity
Recovery at
90°F Rise*
A
Floor to
Heater Top
B
Jacket
Diameter
C
Floor to Water Conn.
D
Floor to T&P Conn.
E
Floor to Solar Collector Supply
F
Floor to Solar Collector Return
Approx.
Shipping
Weight
Model Number
U.S.
Gal.
U.S.
GPH.
in.
in.
in.
in.
in..
in.
lbs.
N-SW2-60R5DS
60
20
59
¼
22
60
¼
53
29
½
7
3
⁄
8
217
N-SW2-75R5DS
75
20
59
¼
24
60
¼
53
29
½
7
3
⁄
8
241
N-SW2-115R5DS
115
20
62
¾
28
¼
62
¼
55
¾
29
½
7
3
⁄
8
345
Single Coil, Double-Wall
Electric Backup Models
Capacity
Recovery at
90°F Rise*
A
Floor to
Heater Top
B
Jacket
Diameter
C
Floor to Water Conn.
D
Floor to T&P Conn.
E
Floor to Solar Collector Supply
F
Floor to Solar Collector Return
Approx.
Shipping
Weight
Model Number
U.S.
Gal.
U.S.
GPH.
in.
in.
in.
in.
in..
in.
lbs.
N-DW2-75R5DS
75
20
59
¼
24
60
¼
53
29
½
7
3
⁄
8
241
N-DW2-115R5DS
115
20
62
¾
28
¼
62
¼
55
¾
29
½
7
3
⁄
8
345
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