9kw industrial water heater 1,380V 9000W 2,AISI 316, ... days 4,guarantee time:1 year 9kw industrial water heaterOur heates are made from metal pipe as ... conductivity as a material to fill and compact in the electric wire around, with good insulation properties ... and quick heat dissipation etc. Commonly used in heating for water heater element, boiler heater,plastic packaging, small die heating, analytical ...