... : 600Kpa ( 6bar) Features: 1,high efficiency, low heat loss 2, long life span 3, nice appearance, beautiful matching with building 4 ... 6, high heat transfer speed 7, high conductivity 8, pressure standing 9, no blasting 10, leakproofApplicationThe water heating systems for commercial ... ,Western Europe. CE, Solar Keymark split flat plate solar water heater collector