1,Copper Water heater heating element 2, CE & ISO certificates 3, with/without ... anode holewith/without (M5/M6/M8)Remark:1, Our heating elements are available in Copper, SS304, SS 310, SS316 ... Voltage and Powder(3) Diameter & length of the heating tube(4) Drawing or Sample required for special configurationWe guarantee ... (2) higher quality than normal market products Water heater element with thermostat