This product ends the extra cost associated with water corrosion to Hot Water Heater, gives 3X corrosion protection, alarmed to know when protection has reduced into area of concern, fortuitously the alarm positioned for visual & to hear the low energy speaker.
Web Sites that tell consumers to change out anode at 5 Years, & HVAC Hardware Stores, start to stock, because the round anode begins to fail a Hot Water Heater casing at 1/2 length.