... Certificate: SRCC, Solar Keymark, CE and ISO9001 Solar hot Water Heater 1) Highly efficient absorber of ... the storage tank in one direction.3) Withstand pressure of 6 Bar, can be connected directly with ... polyurethane foam;6) Simple structure, easy to assembly and install, diffuse flat plate reflector can be assembled ... ISO,CE,SGS, SRCC, Solar Keymark integrated low pressure solar hot water heater