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Low pressure copper classic, and wetback
Suitability
•
Indoor installations
•
Low pressure systems
•
Domestic and commercial heating applications
•
Left, right, or bottom plumbing connections
Not suitable as a pool or spa heater.
Hard or aggressive water will need to be treated in
order to use this product, please test before use.
Construction
•
High grade copper inner cylinder
•
Galvanised steel outer casing
•
CFC-free polyurethane foam insulation
Operating pressures
Maximum inlet pressure
Maximum working pressure
Connections
Refer table below.
Ø A
D
8 | Low pressure indoor copper owner and installer guide: 20733-C 03-13
= 76 kPa
= 76 kPa
Tank size
All dimensions are in mm.
44 L
Ø 445
90 L
Ø 430
90 L
Ø 500
F
90 L
Ø 530
135 L
Ø 470
135 L
Ø 500
135 L
Ø 510
135 L
Ø 530
135 L
Ø 540
135 L
Ø 550
180 L
Ø 510
180 L
Ø 530
180 L
Ø 540
G
180 L
Ø 550
225 L
Ø 550
225 L
Ø 600
E
E = cold inlet
Element
Low watt density nickel plated cop-
per, 1.25 " BSP boss.
Thermostat
•
Classic tanks
7 " Cotherm probe 20 A over-
temperature thermostat, manually
resettable at 85 °C.
•
Wetback tanks
7 " Cotherm probe 20 A (no over-temperature)
thermostat
Weights (empty/full)
•
44 L :
11/55 kg
•
90 L:
16/106 kg
•
135 L:
21/156 kg
•
180 L:
26/206 kg
•
225 L:
31/256 kg
A
B
C
(wetback only)
585
120
1115
150
820
175
745
175
1310
180
1165
175
1170
175
1060
175
1035
200
980
180
1500
175
1370
175
1320
200
1265
180
1540
180
1330
205
F = hot outlet
D = centres of the wetback ports
D
E
F
(wetback only)
N/A
¾ "
¾ "
N/A
¾ "
¾ "
N/A
¾ "
¾ "
N/A
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
170
¾ "
¾ "
G = WBC
G
N/A
N/A
N/A
N/A
1 "
1 "
1 "
1 "
1 "
1 "
1 "
1 "
1 "
1 "
1 "
1 "
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