Suburban Water Heater Anode Rod and Heating Element Combo (520900/233516) Two for one aluminum anode rod and 110V heating element with gasket! Compatibility:   SW4/6/10/12/16 D, DE, DEL  SW6/10/12/16 DEM  SW6DE/DEM (Above Serial Number 115103837)  SW10DE/DEM (Above... See More