Water Heater Anode Rod; Tank Saver; Use With Both Atwood/ Suburban Water Heaters; Zinc Body/ Brass Fittings; With Drain Petcock; Single Fast Draining Anode Kit Universal Application Fits All Current RV Water Heaters Long Lasting, Odor Free Pressed In A Brass Bushing The Tank-Saver Anode Rod will protect your water heater tank from the damage caused by electrolysis. The Anode Rod is designed to replace the drain plug for easy installation. Purchase the Tank Saver and the Anode Rod to prolong the life of your water heater. * Premium Zinc alloy anodes out last all others * Polished brass will never corrode in drain opening like steel bushings * Unique drain feature. Allows you to drain the water heater without tools * Never gives off any foul odors in the water system * Universal application. Fits all current RV water heaters