... -1000L 2, CE/PED approved, high quality 3, OEM/ODM 4, Food material SUS304/316L Heat pipe solar water ... and environment around 4. Back up with electric heater so that in the day without sunshine ... electric heater 6. Max. Pressure: 12bar; Operating Pressure: 6 bar7. It can be used for other function, ... the water tank does not reach Tmax, Electric Heating Element will start to work automaticallyHeat pipe ...