... material: copper4) Water capacity: 100L, 150L, 200L, 240L, 300L5) Pressure: 0. 6mpa6) Heat preservation: 72h7) Hail resistance: 25mm8) Tube ... station Including: Circulating Pump, Safety valve, Check valve, Pressure guage, Flowmeter and Expansion Vessel. Use this work station in ... the complete system (Split high pressure solar water heater) , just make it much more scientific ...