How to Get Rid of Water Heater Odors

Posted by on Dec 10, 2013 in Water Heater Repair San Francisco | 0 comments

If you have foul-smelling water coming from your water heater follow Water Heater Repair San Francisco’s instructions below to get your water smelling and tasting much better.

The Causes of Water Heater Smells in Ones San Francisco Home

According to Soquel Creek Water District, “The smell is the result of four factors that must all be present for the odor to develop. These factors include:

  • A high concentration of sulfate in the raw water
  • Sulfate reducing bacteria, non-toxic to humans (sulfate is reduced to a sulfide state by the bacteria)
  • Little or no dissolved oxygen in the water
  • Hydrogen (a component of water which may be present due to water conditions reacting with the anode)”  Read more:

The most typical reason for hot water smell is microorganisms in the water system.
This is more prevalent in houses that make use of well water and cities that make use of wells as their water source.

Setting your water heater temperature level at 140 degrees or above should help reduce microorganisms development.

How you can eliminate stinky water.

The instructions are for cleaning your water heater with chlorine bleach (clorox).

Turn off the electric or gas supply to the tank.

Turn off the cold water supply to the tank.

Open the hot side of the kitchen faucet to permit air to enter the tank.

Attach a garden hose to the drain valve and drain water heater.

Close the drain valve.

Now you need a way to get the bleach into the tank.
If your water heater has a flexable line where cold water enters the tank, unscrew the line from the tank.
If not, get rid of the pressure relief valve. An aspect could be eliminated from an electric water heater.

Utilize a funnel to pour the bleach into the opening.
Use 5 ounces of bleach for each gallon of the tank capability.
Example – A 50 gallon water heater would need 250 ounces of bleach (about 2 gallons).

Reinstall the water line or relief line.

Refill the tank with water.

Close the hot side of the kitchen faucet as soon as all the air is out of the line.

Run all hot water fixtures (including the dishwasher and clothing washer) until you smell bleach.
The idea is to get rid of the microorganisms in the water lines likewise.

Let the water stand in the water heater tank and water lines undisturbed for 2 to 3 hours.

Drain your tank once more and refill it. Let it set undisturbed for 30 minutes and drain the one more time.

Refill the tank. Open all the hot water fixtures and let them run up until the smell of bleach is gone consisting of the dishwasher and clothing washer.

Gas Water Heaters
Relight the water heater pilot burner.

Electric Water Heaters
Turn the power back on.

If the drain valve congests up when your tring to drain the tank go to the flush hot water heater page to see exactly how to change the drain valve with a ball valve.

You could have to repeat this treatment more than as soon as however typically one time takes care of foul water or water heater odor.

Also, by changing ones anode rods, and even the type used can do the trick as the following video illustrates:

More Resources

Controlling Odors in Hot Water Heaters – City of Fellsmere

Solving rotten-egg odor in water heaters

Your Household Water Quality: Odors in Your Water

Phil Luther Plumbing Content Writer and Curator Phil is a prolific writer of content for plumbing related websites in the United States. Google Profile, Phil on Twitter, Phil on Home Energy Pros