solar work 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 and reasonable, it can solve this problem: avoid the water dirty that create by the water circulation in the circulatory pipe. Otherwise it is very convenient for installation, just need connect all parts
solar work station