... 6years 4.Deliver time:10days Rubber Solar Water Heater Features: 1) Reliable and efficient twin-glass solar tubes; 2) Copper heat ... solar collector, water tank/boiler, circulation pump, expansion evessel, controller,flowing meter,pressure gauge3) Capacity: 150L,200L,250L,300L,500L4) Working ... quantity2) Special packing for sample orders Split Rubber Solar Water Heater With Solar Keymark,EN12975,SRCC