1,Copper Water heater heating element 2, CE & ISO certificates 3, with ... holewith/without (M5/M6/M8)Remark:1, Our heating elements are available in Copper, SS304, SS 310, SS316, SS321 ... , Inconel & Incolloy sheath.2, Every technically possible heater can be custom-made as per your requirement.3, Mg ... dispatching(2) higher quality than normal market products Water heater element with thermostat