... .Anti-freeze 3.Guarantee:6years 4.Deliver time:10days Induction Hot Water Heater Features: 1) Reliable and efficient twin-glass solar ... .: YYJ-S01 (complete set)2) Consist of solar collector, water tank/boiler, circulation pump, expansion evessel, controller,flowing meter,pressure ... full container quantity2) Special packing for sample orders Induction Hot Water Heater With Solar Keymark,EN12975,SRCC