... 2, CE/PED approved, high quality 3, OEM/ODM 4, Food material SUS304/316L Heat pipe solar water heater features1. The ... : 6 bar7. It can be used for other function, such as warmingHeat pipe solar water heater working principle1. The collector ... 20L, 24L 12. Pressure resistance: 10 bar pressure for expansion vesselHeat pipe solar water heater specification:DescripitionSplit solar water heaterMaterial of ...