Why is My Sump Pump Making a Loud Noise?

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Why is My Sump Pump Making a Loud Noise?

Category : News

One of the most commonly asked questions we have from customers at The Basement Sump and Pump Company is “Why is my sump pump system making a loud noise?” Most sump pumps do make some form of noise if the waterproofing system is working correctly.

However, there are several factors that can cause the sump pump system to make a louder noise than normal. Some of the most common reasons are:

  • The type of sump system that is installed
  • How airtight the sump pump is
  • The amount of lubrication of the pumps and pipes
  • The location of the pump compared to the sump pit

When the Basement Sump and Pump Company provide a sump pump installation all the factors mentioned are taken into consideration. Our team aims to provide quiet running and high performing waterproofing systems.

Reasons Why A Sump Pump Maybe Noisy When Running

If the sump pump pit is not covered this can be one of the obvious reasons why there might be a loud noise from your sump pump when it is running.

If there are gurgling water noises this usually means that the sump pump system is working as it should. The noise is caused by the water passing through the pipework.

sump pump lid covered

Sump pump lid covered

To ensure you cannot hear this noise we would recommend making sure that the sump pump pit is covered with an airtight lid.

The Age of the Sump Pump System

The older sump pump models that were constructed from PVC (Polyvinyl chloride) generate a lot more noise than the newer systems that have durable cast iron pumps. The pedestal sump pumps are the loudest models of all the sump pump systems.

Newer pumps have self lubricating motors that run a lot more quietly. If the system you are using has a motor that is noisy and you have had the system installed for a long period of time, then it is probably best to contact a specialist to look at installing a newer pump.

The Pump Extends Out of The Sump Pit

One of the most common causes of a noisy pumping system is that the sump pump system is not actually placed within the sump pit.

If the system is not correctly placed, underneath the ground, then the noise will more than likely echo around your basement.

Clanging Noise from Discharge Pipe

As any water discharges through the pipework, it can cause the pipe to vibrate and rattle against the sump pump lid.

Measures can be taken to reduce this issue, such as, wrapping insulation around the pipe which will reduce the sound once the pipework encounters the wall.

Rubber stoppers can also be used to reduce the noise of the pump, these are placed between the discharge pipe and the liner of the sump pump lid.

Install and Service Your Sump Pump System

At the Basement Sump and Pump Company, we aim to ensure that every sump pump system runs as quietly and smoothly as possible.

We work with the very best manufacturers such as, Newton Waterproofing, Delta Members and Zoeller so you can be assured that your basement system is in safe hands.

Not only do we install new basement pumping systems but we also provide sump pump servicing as well. So if your sump pump is not working correctly then we are here to help no matter what the sump pump problem maybe.

You can get in touch with our highly trained professionals by clicking the link down below or by calling 0800 019 9949.


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Bradley Brown
Bradley Brown
17:43 09 Apr 20
lewis barwick
lewis barwick
19:07 06 Jul 18
I called up for a service which was promptly booked in. Mark was friendly and knowledgeable. I will definitely be... having you back next year. Many thanks, Lewis.read more
alan holmes
alan holmes
09:59 28 Jun 18
Mark arrived early, protected floor surfaces and carried out the service with good knowledge of the site from doing the... initial installation and previous service visitsread more
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