how to replace water heater anode

{"title":"Magnesium replacement Water Heater Anode Rod Suburban 232767","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/47\/8e\/99d725804a9f2933a3b60cd2ffcd-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"High Broad\/OEM","Model Number":"magnesium rod","Minimum Order Quantity":"1 piece","Delivery Time":"1days for 20tons","Certification":"DNV ASTM ISO CE","Place of Origin":"China","Payment Terms":"D\/P, L\/C, T\/T, Western Union, MoneyGram,Paypal etc","Supply Ability":"500mt per month","Packaging Details":"magensium anode rod be packaged in wood box then on pallet with steel bundles","Product Name":"Replacement Magnesium Rod Anode for water heater with perfect performance","Application":"Corrosion protection,Electric water heater etc","Chemical":"Magnesium alloy","Content":"magnesium anode rod \/ bar AZ31","Commodity":"Mg Alloy Ingot","Shape":"water heater extruded AZ31 magnesium alloy anode rod","Sacrificial Anode Rod":"Magnesium Rod Anode for water heater with perfect performance","AZ63B":"Magnesium Anode Rod AZ63B","Chemical Content":"Mg,Mn,Al,Zn,Cu","ASTM B 843-1995":"OEM Extruded Magnesium Anode Rod For Water Heaters And Boilers"}}

{"title":"22*110mm Magnesium Alloy Rod Electric Water Heater Anode Rod Replacement","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c8\/5c\/8bab8a8cf3e16843ec6d9cf81a5b-200x200-1.jpg","attrs":{"Price":"USD10-30\/kg","Brand Name":"DOME","Model Number":"DM013","Minimum Order Quantity":"10kg","Delivery Time":"5-8 work days","Certification":"ISO9001,CE,SGS","Place of Origin":"Zhengzhou,China","Payment Terms":"L\/C, D\/A, D\/P, T\/T, Western Union, MoneyGram","Magnesium Content":"99.9%","Type":"AZ31B, AZ61, AZ80","Shape":"Rod","Color":"Silver","Process":"Semi-Casting & Hot Rolling","Application":"Electric anode","Startand":"American Standard, ASTM G-97","Function":"Electric Anode","Material":"Mg Alloy","Size":"Dia 22xL110mm","Working temperature":"-20\u2103 - 60\u2103"}}