Solarwasserheizung Solarwarmwasserbereiter-System pres

solar water heating ,solar water heater system ,pressurized solar system solar heating systems 1. Material of Inner Tank: SUS304-2B Stainless Steel With 0.5mm thickness. 2.Material of Outer Tank: SUS304-2B Stainless Steel With 0.4mm thickness. 3.Copper Coil: diameter : 10mm; thickness: 1mm. 4.Insulation: polyurethane foam with 55mm thickness. 5.Magnetic-controlled Al-N-Al splash all glass evacuated heat-collecting tubes(size: 58mm*1800mm) 6.Material of Support: Stainless Steel Profiled Bar with 1.2mm thickness 7.With the electric heater system, it can be lasting used in the cloudly, rainy and snowy days. Qualitu Policy 1,Products regular:≥99% 2,Products test before output:100% 3,Replace free of bad products:100% 4,Guarantee:5years Feature: Simple Installation,no maintenance,effective operation! Easy retrofitting to existing systems! Suitable for single and multiple solar heating application systems! Preferred option for extremely cold areas and questionable water quality! Incoming potable water is routed to the solar storage tank! Porcelain enamel or SUS316 stainless storage tank with electrical or gas back up!