Money-saving
Check the water heater anode rod
The sacrificial anode rod corrodes so the tank doesn't; replacing a spent rod can double tank life.
- How often
- Every 3 yr
- Who
- DIY or pro
- Typical cost
- $20–$60
- Time
- 45 min
Why this matters
The sacrificial anode rod corrodes so the tank doesn't; replacing a spent rod can double tank life.
If you skip it: Once the rod is gone, the tank rusts from the inside and fails years early.
Who should do it
You can do this yourself if you're comfortable, or hire it out. Many homeowners DIY it once they've seen it done.
When to do it
Aim for fall. Getting ahead of winter is the goal. Repeat every 3 years.
Frequently asked questions
How often should I check the water heater anode rod?+
Plan to check the water heater anode rod every 3 years. The sacrificial anode rod corrodes so the tank doesn't; replacing a spent rod can double tank life.
How much does it cost to check the water heater anode rod?+
It typically runs $20–$60. You can do this yourself if you're comfortable, or hire it out. Many homeowners DIY it once they've seen it done.
What happens if I skip it?+
Once the rod is gone, the tank rusts from the inside and fails years early.