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Specification summary
Low pressure copper undersink
Suitability
• Low pressure indoor applications
• Left, right, or bottom plumbing connections
Not suitable as a pool or spa heater.
The system should be located and arranged so
as to achieve the closest proximity to water draw
off points.
Construction
• High grade copper inner cylinder
• Galvanised steel outer casing
• CFC-free polyurethane foam insulation
Operating pressures
Maximum inlet pressure
Maximum working pressure
Inlet
Ø diameter
Cylinder size
9 L
14 L
22 L
44 L
8 | Low pressure indoor copper cylinders: Owner and installer guide: 20733-D 04-18
= 76 kPa
= 76 kPa
Outlet
Diameter
Height
Ø 340 mm
305 mm
Ø 340 mm
415 mm
Ø 340 mm
575 mm
Ø 445 mm
585 mm
Element
Low watt density nickel plated copper, 1.25 " BSP
boss.
Thermostat
7 " Cotherm probe 20 A over-temperature
thermostat, manually resettable at 85 °C.
Weights (empty/full)
• 9 L:
7/16 kg
• 14 L:
8/22 kg
• 22 L:
9/31 kg
• 44 L:
11/55 kg
½ " BSP male (9 L, 14 L, 22 L)
¾ " BSP male (44 L)
120 mm
Element rating
1 kW
1 kW
1 kW
1.5 kW
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