Tank material: Copper Max working pressure (secondary): 1 bar Max working head: 10 m No. of heat exchangers : 2 Solar primary max working pressure: 3.5 bar Boiler primary max working pressure: 3.5 bar Solar primary coil surface area: 1.62 m2 Boiler primary coil surface area: 0.42 m2 Insulation thickness: 60 mmThe cylinders have an immersion heater boss included as standard, however the immersion heater itself is not included. (They can be bought for around £40.) Capacity (litres) Dimensions (mm) excluding insulation 115 1070 x 405 120 915 x 460 144 1070 x 460 166 1220 x 460 216 1500 x 460 344 1830 x 510

 

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