International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Anode rods preserve the life of a water heater by corroding themselves so the water heater doesn't.. Simply replace the 1/2' or 3/4' pipe thread head drain plug with the anode rod to protect the tank The anode rod absorbs the corrosive effects of hot water to extend the life of your water heater's tank. Rv Anode Rod For Hot Water Heater RV Water Heater Anode Rod & Flush Wand Kit - 9.25 Inch Magnesium Rod For Suburban Rv Hot Water Heater Anode Rod Chevrolet Suburban 232767 Water Heater Anode Rod Purpose Suburban Water Heater Anode Magnesium Rod - 232767 For Tank Corrosion Rv Water Heater Anode Extends water heater tank life 2 RV water heater magnesium anode rods 9.25" length and ¾ NPT threads, compatible with Suburban 232767 and MOR-FLO. 1 RV water heater flush wand Absorbs the corrosive action caused by hot water Remember to replace worn anodes to insure consistent protection.