Rv water heater anode rod exclusive suburban anode rod absorbs the corrosive action accused by hot water and prolongs. Rv water heater anode rod exclusive suburban anode rod absorbs the corrosive action accused by hot water and prolongs. As soon as the anode rod is depleted and fully decayed, the water heater begins to rust, then crack, fail and leak. The life of your water heater tank. Get rid of the embarrassing rotten egg smell! Did you know that the magnesium anode rod inside your hot water tank is the number one key contributor to the production of your smelly, hydrogen sulfide gas? Aluminum Zinc Alloy sacrificial anode rod made of high-quality Aluminum Zinc Alloy that is key element for permanently eliminate rotten egg smell from water tank. The RV anode rods size and material type: aluminum/zinc anode rod, 9.25" long, " threads, uses a 1-1/16 socket. The RV Aluminum/Zinc anode rod fits for almost all water heaters including; A.O. smith, Rheem, Reliance, Richmond, Kenmore, State, GE and many more that also use the standard " NPT Anode Rod Connection. The RV Aluminum/Zinc anode rod should be removed from the water heaters tank annually for inspection and replaced when more than 6 of core wire is exposed at either end of the rod. Pack of 2: Unscrew the anode rod to drain the tank. Always keep a spare in your RV.