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New Hot Water Heater Has Foamy Water: 4 Common Reasons

You’ve put in a new hot water heater with all the latest features! You’re overjoyed! But then you see it’s producing foamy water. What a pathetic situation!

Why does the new hot water heater have foamy water?

There are a couple of reasons for this issue. First of all, air in the water is responsible for this. Secondly, sediment buildup is also responsible for this issue. Not only that, but a dirty faucet aerator can also turn the water foamy. Finally, heating the water for too long can also be the cause of this issue.

This information is inadequate for you to understand. Try to manage some time to get the entire part!

Sounds like what you’re looking for? Well, let’s hop into the main part!

4 Reasons for Foamy Water from The New Hot Water Heater

You’ve got a brief about the reasons for this issue. But you need to go through the details for the proper interpretation. The reasons and solutions are discussed below in detail-

Reason 1: Air in The Water

The very first reason for foamy water is air in the water. Water with tiny air bubbles can have a foamy or milky look. The water in your pipes is pressurized. 

Filling a glass with water helps to relieve the pressure. It also has the potential to generate air bubbles in your water. As a result, the water becomes frothy.

How does this happen then? Air gets in the water if there are loose or improper fittings in the pipes. If you hear water running in pipes without any leak, then it’s a sign!

Reason 2: Sediment Build Up

You might think your new water heater is bad. That’s why it might give foamy water. But actually, foamy water is flowing out due to sediments in it. 

Mineral buildup is the most common cause of sediment in your hot water. If you have hard water, this is very likely. If you have a lot of sediment in your water heater, it can go into your pipes. And as water runs out of your faucet, it foams up.

If you notice sediment in your water, you should not drink it. Also, until the problem is resolved, drink bottled water. You can also drink other filtered water until fixing the issue.

Considering installing a water softener for sediments would be a good idea for this!

Reason 3: A Dirty Faucet Aerator

Foamy water flowing can be due to a dirty faucet aerator. A faucet aerator is a mesh cap that fits over the faucet’s end. This reduces the amount of splashing. Mineral deposits can build up on the aerator, especially if you have hard water. 

The pressure of the water coming out of your faucet will be increased as a result of these deposits. As a result, the quantity of bubbles increases, resulting in a foamy appearance. 

An unfit faucet aerator can damage your faucet. And if you’re using delta or peerless faucets, then there’s an advantage. That is, you can actually interchange delta and peerless faucets.

But you might be using other faucets. Not sure which faucet to use to replace the current faucet? We’ve got a couple of suggestions for you!

Product 1
Product 2

These are the faucets that are quite durable for the water system. These are suitable in the washrooms and kitchens as well!

Reason 4: Heating The Water for Too Long

Heating the water for too long can turn the water foamy. This is because of the cold and hot water capacity of containing oxygen. To be precise, cold water can have more oxygen than hot water. 

When you try to heat the water, the oxygen tries to escape. And if you heat them for more than the time required, it gets foamy. Because the oxygen tries to escape but gets stuck while being heated.

These are the reasons for this issue! Troubleshoot your heater or look for the signs to identify the culprit behind your problem. Once you know what caused this, you can move on to fixing your heater. 

How To Fix This Foamy Water?

We’ve already got to know about the reasons for the issue. But how to resolve them? 

You can limit the recurrence of foamy water by performing some simple troubleshooting. To begin, check the pressure in your hot water tank. It’s a good beginning. You should also flush your hot water tank and inspect the anode. 

These easy chores can not only assist to reduce the amount of hazy water. But they can also help to prevent it. They’ll also help your water system last longer.

You should also check the fittings of your water pipes. Don’t forget to shut off the water valve before doing this.

You can also contact the experts to take any help or any assistance regarding this.


Question: How to identify if the water heater goes bad?

Answer: Firstly, you’d notice that the heater doesn’t produce hot water. You might see there is a decrease in the water flow. You’d also hear some noises. Then there might be water with the swelling smell.These are the basic symptoms of a bad water heater.

Question: What if I don’t flush my water heater?

Answer: Sediments would form if the water heater was not flushed. Leaving sediment in your water heater will not only make it work harder. But it will also make it less efficient. However, it would result in a slew of major issues. Things like a ruptured pipe, a decrease of water pressure, or even the tank itself breaking down.

Question: How long can I use my water heater?

Answer: Well, the usage life of a water heater can depend on the quality of its usage. But there is a typical lifespan of a water heater as well. You can use it for at least 6 years to more than 12 years. If you use your water heater with good treatment, you can keep it for up to 15 years. 

Final Words

Now, you know why the new hot water heater has foamy water! We believe our information was adequate and clear to understand.

We wish you all the best with your home improvement!