Compact pressure solar water heater 1.100-300L 2.CE,ISO9001,CCC ... 3. best quality,can install anywhere,offer OEM 1. that type have CE,ISO9001,CCC certificate, completely guarantee high quality2. each ... different types.5.hailstone:resistance 25mm6. working pressure:0.3-0.7 Mpa,testing pressure: 1.2 Mpa7. warranty: 3 year for ...