Water Heater Noise: Why You Need to Listen

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Strange noises are important to listen for in any home system. Noises in your water heater are indicative of problems that should be fixed right away before extensive damage is caused. Luckily, with a Midlothian plumber by your side these negative outcomes can become a thing of the past.


Schedule a water heater inspection with a Midlothian plumbing specialist at Dial One Johnson Plumbing, Cooling and Heating. Fill out our form online or contact us by phone at (469) 557-2703. 


Read on for what noises you need to look out for and what they mean for your water heater. 

Rumbling or Popping

As temperature increases inside your water heater, a rumbling or popping noise might be heard. The popping noise is caused by hot water trying to pass through layers of sediment. If it is very faint, there is no need to worry just yet. However, if the popping can be heard across your home, you need to have your water heater drained. The increased sediment buildup will lead to damage in the unit. 


Rumbling, on the other hand, happens when sediment is floating around, rather than resting on the bottom, the water heater. As with popping noises, rising sediment accumulation will amplify these rumbling sounds. Contact a plumber Midlothian, TX for water heater repair and draining services.

Hammering Noise

When you turn off the hot water in your home, the unused water in your pipes is sent back to the heater. A knocking or banging noise happens when the pipes are constantly hitting the wall during this backflow of water. Loose fasteners do not help to avoid extra damage. The fasteners may loosen overtime as the pipes are constantly expanding and contracting due to the water becoming heated and cooled. 


It is crucial to call a plumber to correct this issue as there are risks involved if it is not resolved fast. These include bursting water pipes and extra damage to your wall. Although these risks are serious, there is only a small chance of needing to have the water heater replaced. A plumber will be able to assess the pressure in the tank and install better fasteners to avoid pipes banging against your wall. 

Sizzling Sounds 

In a water heater, condensation is produced as a result of the tank being heated. Although condensation is normal, a sizzling sound means that you need to act right away. This noise is the result of condensation dripping onto the burners or your system. Water should not be escaping your water heater and should definitely not hit the burners. The only way for this to occur is if there is a leak caused by a crack or other issue. 


You will need to contact a plumber to take care of this issue. It is not safe for a homeowner to open the unit and inspect it for any issues. Leave this to the professionals. 

Screaming or Screeching 

You can expect screaming or screeching from a horror movie, but definitely not from your water heater. The reason why you might be hearing these alarming noises is because the water is trying to fit through a very small opening. This is most likely a valve or buildup issue. There are a few areas where your water heater may encounter valve issues: 


  • Temperature and pressure valve may need to be loosened to relieve pressure.
  • Outlet valve should be opened and void of faults. 
  • Inlet valve should also be fully open without visible damage. 
  • Water lines need to flow correctly without any kinks or damage.


These are not things that you can repair on your own. A plumber needs to be called to inspect these valves for any issues. They will be able to open up the water tank and other components in hard to reach areas. 

Humming Noise

A humming water heater usually means that there is a loose connection in the system. The loose connection is most likely located in the heating element of the heater. Water will flow around the loose heating element and cause vibrations. These vibrations are interpreted as humming and may vary in sound frequency.


To fix this issue, the heating element of the system will need to be tightened. For safety reasons and to prevent any issues, you should call a plumber to tighten this part. It is vital that you don’t try to fix this plumbing issue yourself to avoid any further damage to your water heater. 

Water Heater Maintenance

Without regular, professional maintenance your water heater becomes a sitting duck. Issues like leaks, corrosion, sediment build up and heating malfunctions are all bound to happen without maintenance. These sensitive systems require quite a bit of care to properly function. 


Regular water heater maintenance will prevent any damages that could be causing strange noises. Not only will you have fewer performance issues with your water heater, but your unit will become more efficient and will last longer. Money not spent on expensive repairs and replacements goes right back into your pocket.


When you need water heater maintenance look for plumber Midlothian, TX for reliable and expert technicians to help with annual service. If you are prone to putting your water heater at the bottom of your priority list, ask for service reminders from our team. We will remember that your water heater is in need of service so that you don’t have to.

Plumber Midlothian, TX

When it comes to taking care of your water heater, you want plumber Midlothian, TX services you can trust. Midlothian plumbing companies such as Dial One Johnson Plumbing, Cooling and Heating are able to inspect your water heater for any inconsistencies and have it repaired right away. We have a team that is ready to help you – no matter what you need. Rely on us for quality plumbing services in Midlothian, Texas. 


Schedule a maintenance appointment for your water heater with a trusted Midlothian, TX company — Dial One Johnson Plumbing, Cooling and Heating. Contact us online or give us a call at (469) 518-2809. 

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