... ) Description for U Pipe Split Solar Water HeaterSystem DefinitionThe split solar water heater is the system which makes the solar collector be separated with the storage ... : aluminum alloy3) Coil material: copper 4) Water capacity: 150L, 200L,300L, 450L,5) Pressure: 0.6MPa6) Heat preservation: 78h7) Hail ... ,45tubes with 58mm diameter and 1.8m length solar water heater (split design, bear the pressure)