new water heater water smells like plastic

You just installed your new water heater and notice a strange smell every time you turn on the faucet. What could be causing this?

There are a few things that could be causing your new water heater water to smell like plastic. Your heater isn’t producing enough heat, causing the water to cool down before it reaches your taps. 

This can cause the water to condense, and since PVC piping is often used in hot water systems, the chemicals in the plastic can give the water a strong odor.

If you’re sure that your piping is PVC-free, then your heater is producing too much heat. In this case, the hot water can cause the plastic smell to intensify. Adjust the settings on your heater so that the temperature is right.

The new water heater water smells like plastic

Reasons for New Water Heater Smells

When you turn on the hot water, does it smell like plastic? Many people have reported this issue with their new water heaters. There are a few reasons why this might be happening.

The most likely reason is that your heater is new, and the plastic smell is caused by the chemicals used to manufacture it. This will dissipate over time as the heater ages and breaks down these chemicals.

Another possibility is that your heater isn’t sealed, and moisture is getting in. This will cause the plastic smell to worsen over time. If this is the case, call a technician to come and take a look.

A final possibility is that your water heater isn’t getting enough air. This will cause it to overheat, leading to the release of fumes that smell like plastic. If this is the problem, have a technician check your venting system to ensure it’s clear.

Troubleshooting New Water Heater Smells

It can be alarming when you turn on your hot water for the first time, and it smells like plastic. It’s a new water heater, so it should produce fresh water. Not this time.

Before you panic and call a service technician, there are a few things you can do to troubleshoot the issue and fix it yourself. Check to make sure there is no water leaking from the heater. If everything looks normal, try flushing out the system by letting the water run until it smells better.

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If that doesn’t work, it might be time to call in a professional. But before you do, write down the symptoms so you can provide them to the technician. They’ll be able to diagnose the issue better and get your hot water running like new again in no time.

Causes of Hot Water Heater Odors

It’s not uncommon for water heaters to give off an unpleasant odor. There are a few things that could be causing the smell, but the most common culprit is a build-up of sediment in the tank.

This sediment is made up of minerals that have been deposited over time. As the water heater heats the tank, these minerals are released into the water, and they can cause it to smell bad. 

Another common cause of water heater odors is bacteria growth. If your water heater isn’t properly ventilated, this can create an ideal environment for bacteria to grow and thrive.

If you’re experiencing a bad odor from your water heater, there are a few things you can do to try and fix it. First, try cleaning out the sediment with a filter or descaling kit. If that doesn’t work, you may need to replace the heater altogether.

Best Practices for Preventing Odors in Hot Water Heaters

If you have recently installed a new water heater and noticed it smells like plastic, here are a few best practices to help you prevent this from happening again. For starters, it’s important to flush out the water heater using cool water before use. This can help remove unwanted particles stuck in the pipes or the tank.

It’s also a good idea to inspect your water heater regularly and ensure it’s always clean and free of debris. Keeping it clean will help reduce the number of bacteria in the tank, which can lead to unpleasant odors.

Finally, check your water heater for leaks or cracks every six months. Leaks can cause plastic odors and other problems such as corrosion and rusting of your tank. 

Catching these problematic issues early can save you from having bigger problems down the road. These simple steps can ensure you have fresh-smelling hot water for many years!

Ways to Get Rid of Plastic Smells in Water Heaters

So, you’ve got new water heater water that smells like plastic, and you’re wondering how to get rid of it. Fortunately, there are a few tricks you can try.

First and foremost, make sure the anode rod is in good condition. This rod helps prevent corrosion inside the tank and can be replaced if it’s trouble. If the anode rod is already corroded, then it could be causing the smell in your water.

You can also try flushing out your water heater tank by draining some of the water from the tank and refilling it with fresh water. This will flush out any contaminants that may be in the tank. Additionally, baking soda in the water heater tank can help neutralize odors.

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Another thing you can do is add a small amount of white vinegar to the water heater since this will help kill bacteria and remove odors as well as scale build-up, which can sometimes contribute to smells in your hot water supply.

Sometimes though, no matter what you do, plastic-smelling water heater water happens due to new materials used on metal parts within your hot water system. So if all else fails, give your local plumber a call, and they’ll be able to identify any issues that could be causing this smell in your water heater tank and advise you on what steps to take next!

When to Call a Plumber for Your Hot Water Heater

You should call a plumber if you’re still seeing or smelling plastic from your water heater. The tank needs to be thoroughly cleaned, or there may be an issue with your heater, and a professional can detect and resolve it. 

Calling a plumber in this situation is always the best course of action since they are trained in detecting and resolving any problem with water heaters.

A professional plumber has the necessary tools and experience to ensure your heater is working properly. They can troubleshoot the source of the plastic smell and take any steps required to ensure it doesn’t come back again. Not only that, but they’ll provide you with peace of mind knowing that your water heater is safe and running optimally.


If your water heater has just been installed and the water smells like plastic, there’s no need to worry. It’s a common issue when the water heater is new, and the plastic smell will dissipate over time. In the meantime, you can do a few things to minimize the smell.

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