Blue Lightning Rod 48 in. Long Anode Rod for Water Heater, Hex Plug

This anode rod is for commercial or residential water heaters. It is made of magnesium. Its flexible design makes it easy to install. It can be installed where there is no more than 15 in. of clearance. Regular checking and changing of the anode rod can significantly extend the life of the steel tank.|Magnesium|Flexible construction|Stainless steel couplers|Braided stainless steel wire|Commercial/residential size|1 in. Plug thread|1 in. Dia anode rod|48 in. long|Installs in only 15 in. clearance|Helps prevent tank deterioration