2 Pack 1/2Inch NPT RV Water Heater Anode Rod with PTFE Tape Magnesium-Anode1992
If the anode rod is depleted and fully decayed, the water heater begins to rust, then crack, fail and leak. Use with: For Atwood. Unscrew the anode rod to drain the tank. If the rod is mostly eaten away, replace with a new one.