... , non pressure system with super reflector by CE, ISO Hot Solar Water :Advantages:Works with high pressure.Therefore,the warm ... .Insulation:50-60mm environmental protection PUF foaming5.Foaming Density:36Kgs/M3,hot water could be remaing up to 72 hours while the ... temp.above 15 degree6. Reflector: 2 piece with aluminium material. Hot Solar Water