1) Back up with electric heater so that in the day without sunshine hot water can also used.
2) Capacity: 100L,150L,200L,250L,300L,400L,500L.
3) Inner Tank: Stainless steel 1.2mm SUS316L/porcelain inner tank
4) Outer Tank: painted steel-0.5mm/Stainless steel-0.5mm
5) The heat insulation material: Polyurethane.
6) The thickness of the insulation: 45mm.
7) The test pressure: 10 bars
8) The accessories:
a. electrical heater
b. the temperature and pressure relief valve.
c. the sensor.