... pipe solar collector 2. SRCC, CSA, Solar Keymark, AS/NZS 2712 certified 3. Continuously improve design Product Descriptionheat pipe solar collector, solar water heater, solar collector, evacuated tube & heat pipe, solar ... -80o Startup temperature: ~30oCCopper Header PipeMaterial: Copper (ASTM: C1100, DIN: ECu-58); ... flared nut(Australia) or 22mm OD copper (Europe)Heat Transfer FinsMaterial: High purity ...