How to Prevent Plumbing Sulfur Smells – This Old House

Posted by in Home Improvement Tips, on October 12, 2015

This Old House plumbing and heating expert Richard Trethewey offers remedies to prevent smelly water. (See the shopping list, tools, and steps below.)

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Understanding New Water-Heater Regulations:

How to Adjust Water Heater Temperature:

Shopping List for How to Prevent Plumbing Sulfur Smells:
– Aluminum anode rod, used to replace magnesium rod in water heater

Tools for How to Prevent Plumbing Sulfur Smells:
– Wrench, used to remove anode rod from water heater

Steps for How to Prevent Plumbing Sulfur Smells:
1. If the sulfur smell is present in both the hot water and the cold water, call a licensed well contractor and have him or her treat the problem at the well.
2. If the odor is only in the hot water, replace the water heater’s sacrificial magnesium anode rod with an aluminum rod.
3. Sulfur smells are extremely rare in municipal water systems.

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