Blue Lightning Rod 47 in. Long Anode Rod for Water Heater, Nipple Type, Pack of 6

This anode rod is for residential water heaters. It is made of magnesium. Its 6 in. long nipple is made for newer tanks that have extra thick top insulation. Its flexible design makes it easy to install. It can be installed where there is no more than 13 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|Residential size|3/4 in. x 6 in. MIP x MIP nipple|3/4 in. Dia anode rod|45 in. long|Installs in only 15 in. clearance|Helps prevent tank deterioration