Check the listing for details. Rv Water Heater Element Stainless Steel 316 Provide Consistent Hot Water In Rv. Color: Silver, Condition: New. Listed at 25.59 USD. Description: Brand new. This RV Water Heater Element is made from stainless steel 316, which is sturdy and can be used for a long time. Part Number:520900. The RV water heater elements include a built-in resistance wire that generates heat through electrical resistance. This ensures rapid and efficient heating of your water, providing you with a reliable and consistent hot water supply in your RV. This Heavy-Duty hot water heater element wrench combine with anode rod removal tool easy to use features A3 Carbon Steel Galvanized Construction for Corrosion Resistant, and Zinc plated for durability enables easy removal of the most major screw-in water heater elements and anode rod size 3/4" NPT. One end size 1-1/2" hex, fits most residential screw-in w.