... parts 4.SUS304,316,321,80 Polished Stainless Steel Tubular Electric Heater: (1). Water heater element copper tube(2). Water electric heating element ... ). Heating element:(4). Hot!!! stainless steel tubular heating element(5). Water electric heater element(6). Tubular,flange heater,stainless steel,inconel sheath(7). Water ...