Water Heater Anode Rod Replacement: A Complete Guide

What an anode rod does

The anode rod is a sacrificial metal rod (typically magnesium or aluminum) inside your water heater. Through galvanic corrosion, the rod corrodes first, protecting the steel tank walls. Without it, your tank would rust through in 2-3 years.

How long do anode rods last?

Normal water: 5-7 years. Fort Lauderdale hard water: 3-5 years. Heavy use and high water pressure shorten this further.

Signs of a depleted anode rod

• Rusty or discolored hot water
• Sulfur or rotten egg smell
• Metallic taste
• Rust streaks on the outside of the tank
• Tank is 4+ years old and never inspected

Replacement cost in Fort Lauderdale

Professional anode rod replacement: $95-$175. The rod itself is $25-$60. Most of the cost is labor since the rod is often seized after years of corrosion. A $145 replacement that extends tank life by 4-5 years is one of the highest-ROI services available.

DIY vs professional

Technically DIY-possible, but most Fort Lauderdale homeowners struggle with it. The rod is usually seized from years of hard water deposits. Removing it often requires an impact gun and breaker bar. Many end up calling a pro after snapping the rod or damaging the tank fitting.

How often to check

Every 2-3 years in Fort Lauderdale. If the rod is 50%+ depleted, replace. If the core wire is exposed, the rod is done.

We include anode rod inspection in every annual maintenance visit.

Need water heater help in Fort Lauderdale?

same-day service, free estimates, upfront pricing.