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Richmond Part Subpage

Richmond Anode Rod Replacement

Highest-ROI Richmond maintenance task. Replace every 4-7 years.

Updated May 2026 · Richmond Water Heaters

The anode rod protects the tank from corrosion. Replace every 4-7 years — single highest-ROI Richmond maintenance task.

Replacement schedule

Water hardnessReplace
Soft (under 7 gpg)Year 5-7
Medium (7-11 gpg)Year 4-5
Hard (over 11 gpg)Year 3-4

Types

  • Magnesium — factory standard; can cause sulfur smell in well water
  • Aluminum-zinc — eliminates sulfur smell
  • Powered — electric, never replaced. $150-250

DIY replacement

  1. Off breaker/gas
  2. Close cold supply; open hot tap
  3. 1-1/16" socket on breaker bar (75-100 ft-lb)
  4. Unscrew; inspect; replace if consumed
  5. Teflon tape on new; install

Cost

  • Magnesium: $30-45
  • Aluminum-zinc: $40-55
  • Powered: $150-250

Bottom line

Cheapest highest-ROI Richmond maintenance.