Industrial Electric Process Heaters 3" to 14" Flanged immersion heater up to 572 KW Screw plug immersion heater, 120 to 480 V, 1" to 2 1/2" ; 500 watts to 18 KW Tubular heater straight and custom formed, 400 w to 6 KW Cartridge heaters, 1/4, 3/8, 1/2, & 3/4"; standard and high temperature St...