Skip to main content
Plumbing

Check Water Heater Anode Rod

HARD45 minPlumbing

Why It Matters

The anode rod protects your tank from corrosion. Once it is gone, the tank itself starts rusting through, leading to a flood.

Quick Guide

  1. 1

    Gather your tools and materials

    You'll need: Socket wrench (1-1/16 inch), Breaker bar. Materials required: Replacement anode rod.

  2. 2

    Perform the check water heater anode rod

    Inspect the sacrificial anode rod in your tank water heater and replace it if more than 50% corroded. Safety note: Turn off power and water supply first.

  3. 3

    Verify and clean up

    Check that the work was completed correctly and clean up your workspace. If if the rod is stuck or you cannot reach it, consider calling a professional.

Get the full guide personalized to your home

Sign up free to see the full guide for YOUR home — tailored to your climate zone, systems, and property.

Sign up free

Tools & Materials

Tools

  • Socket wrench (1-1/16 inch)
  • Breaker bar

Materials

  • Replacement anode rod