Electric boiler heating element 1,380V 2-10KW 2,AISI 304 ... with flange 4,wooden case package,CE, ROHS Electric boiler heating elementOur heates are made from metal pipe as a ... shell which filled with high-resistance alloy wire as heating material, used the high-purity magnesia of high thermal ... as a material to fill and compact in the electric wire around, with good insulation properties.This product has ...