Anode rod: inspect and replace

The sacrificial anode protects the tank from corrosion. When it is mostly consumed (core wire exposed), replace it. Powered anodes are an option where odor is a problem.

Single source ~60 min moderateBrands: All

Before you start

Electric: power off. Gas: set control to pilot/vacation (do not touch gas piping)
Close cold supply and relieve pressure before removing

Diagnostic steps

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

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