... CPCCertificate: Solar Kemark , SRCC, AS/NZ, ISO9001Gross size: 2.s.q.mConnections: 22mm cu tube, G3/4" male threadWorking pressure: 6 ... iron tempered glassFrameAl-6063(Powder painting)InsulationGlass woolSealingEPDMMounting frames for flat roof and slope roof are availableFunctions: domestic hot water ... water, public center hot water, hospital, swimming pool etc. Pressurized flat panel solar collector