2 Pack RV Water Heater Anode Rod 4.5" x 1/2" NPT Magnesium Anode Rod Replacement Part for Atwood Dometic Water Heater 11553, for RV, Trailer Water Heaters

["Wide Compatibility:1/2\" NPT RV water heater anode rod compatible with most Atwood and Dometic RV water heater models. Replacement Part for Atwood 11553 .Designed for RV hot water heaters using 1/2 inch threaded anode rods","Premium AZ63 Magnesium Material :Made from high-quality AZ63 magnesium alloy, this anode rod attracts corrosive elements in water to help protect your water heater tank and extend its lifespan","Exact Size & Easy Installation :Measures 4.5\" long with 1/2\" NPT threads. Easy to install or remove using a 21mm socket. Includes PTFE tape for a secure seal.","Effective Corrosion Protection :Works as a sacrificial anode rod to reduce rust and corrosion inside the tank. Replace the rod when it is mostly consumed for continued protection","Compatibility Notice :Designed for 1/2\" thread water heaters only. Not compatible with 3/4\" thread or 9.25\" length anode rods. Please confirm size before purchase"]