... pressurized tank CE,CCC,ISO9001,ISO14001 certificate Split Flat Plate Solar Hot Water Heating SystemFeather:1. Special ... AS 1432-1973Φ 25mm OD, 0.71 mm wall thicknessType C-copper tube, to AS 1432-1973 ... Φ 12 mm OD, 0.40 mm wall thickness7Free machining brass20mm(3/4” BSP)0.03 ... & MeasuresWeight emptyWeight fullStructural pressure test38kg40kg800kPa Split Flat Plate Solar Hot Water Heating System