... 2.Anti-freeze 3.Guarantee:6years 4.Deliver time:10days Rubber Solar Water Heater Features: 1) Reliable and efficient twin ... 2) Consist of solar collector, water tank/boiler, circulation pump, expansion evessel, controller,flowing meter,pressure gauge3) Capacity: 150L,200L,250L ... full container quantity2) Special packing for sample orders Split Rubber Solar Water Heater With Solar Keymark,EN12975,SRCC