Readers ask: How To Replace Anode Rod In Electric Water Heater?

How do I know if my anode rod is bad?

Smelly or discolored hot water is the biggest sign that something is wrong with your anode rod. When your anode rod has completely corroded, it can no longer protect your hot water heater lining. Your anode rod will go bad every five years or so.

How often should you replace the anode rod in a water heater?

Most water heater manufacturers will recommend inspecting the condition of the sacrificial anode every one (1) to three (3) years and replacing it when it has been consumed more than 50%. This is especially true if you have hard water or use a water softener.

Can you run a water heater without an anode rod?

Without a working anode rod, your water heater tank will be vulnerable to rust, corrosion, and other damaging effects of chemicals and minerals in your water supply.

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Is it OK to remove anode rod?

Yes, you can cut your sacrificial anode rod, whether it is magnesium or aluminum, to replace it. To do this, use a pair of gloves and a saw and cut as you remove the old anode.

How much does it cost to replace anode rod?

An anode rod costs about $50. Some homeowners may feel comfortable replacing it themselves. If not, call a professional plumber, who can assist. The cost of having it replaced professionally may be around $250 or $300.

What happens when your anode rod goes bad?

A bad anode rod can cause discolored water, a rotten egg smell, air in the lines and intermittent hot water. The anode rod protects the tank of electric water heaters & signs it should be replaced are a rotten egg smell, no heat & strange sounds.

What happens if you don’t change your anode rod?

Since the lining eventually cracks, tanks have a second line of defense against rust: a long metal “anode rod” that attracts corrosive elements in the water. When the rod itself becomes so corroded that it can no longer do its job, the tank soon rusts out, leaks and needs replacement.

Can anode rod causing rotten egg smell?

The most common cause of smelly water is anaerobic bacteria that exist in some water and react with the magnesium and aluminum sacrificial anodes that come with most water heaters to produce hydrogen sulfide gas, making the classic rotten egg odor. Softening can make smelly water much worse.

Is it too late to replace anode rod?

Anode rods are made of either magnesium or an aluminum-zinc alloy. The downside is that if you wait too long to replace the anode rod, it may be too late. If more than five years has passed, it may be too late to save the water heater.

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Which is better aluminum or magnesium anode rod?

For harder water an aluminum anode rod is the best choice for your heater and if you live in an area with soft water then a magnesium anode rod is your best choice. Aluminum anodes tend to be cheaper than magnesium anode rods. A magnesium rod will generally last less than an aluminum rod.

Why does my hot water smell like rotten eggs?

You are most likely on well water, and there is a bacteria, known as SRB (sulfate-reducing bacteria), that gets into water heaters and, although harmless to humans from a pure health perspective, creates the odor by digesting naturally occurring sulfur-based elements in the water, releasing tiny amounts of hydrogen

Do water softeners destroy water heaters?

SHORT: Dont’ do it. It destroys tank water heaters. LONG: The ion exchange that happens inside the softener swaps calcium and magnesium for sodium. Sodium is a great conductor of electricity.

Will a bad anode rod make water smell?

Many anode rods are made of magnesium or aluminum. When these rods corrode, the metals react with the sulfates in the water, turning the sulfate into stinky hydrogen sulfide.

Do aluminum anode rods smell?

The bacteria reacts with the anode rod in your water heater to produce the smell. Aluminum and magnesium anode rods are the types that bring the smell. Smelly water is most common in buildings connected to a well system. Water softeners can also increase the problem of smelly water significantly.

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