... .CE,ISO,EN12975 3.pressurized system 4.0.7Mpa pressure 5.OEM, 7days delivery The integrated pressurized solar system use copper to exchange ... the heat to water.it can withstand 0.7Mpa pressure.Certificates and authorizations: EN 12975, Solar ... , Greater Noida Hall 3 Booth S323-324 Integrated pressurized solar water heater withstand 0.7Mpa