... tube 4. Delivery:7day SPLIT PRESSURIZED SOLAR WATER HEATER ,FEATURE:1. Solar water heater with SOLAR KEY MARK certificate2. Special high quality Insulated ... mark, EN12975, CCC, CE, ISO6. Can connected with the exsiting oil heater or gas heater7.Long life span and no extra ... sealContact sheetsaluminum fin 2012 type split pressurized solar water heater (with SRCC,EN12975,Solar keymark Certificate