Sump Pump Sounds Like Washing Machine – Reasons & Solution

A sump pump is indisputably an indispensable tool for a functional house. Still, at times it can cause a lot of inconveniences. Being a sump pump user for about two decades, I have encountered numerous issues regarding different types of pumps. All these experiences have made me quite an expert in caring for all these problems by myself. One of the most common issues with the submersible sump pump is that it can make a bothersome commotion. These sounds can vary depending on the reasons behind them.

Do you usually need help when it comes to fixing the various problems associated with your pump? If your pump, too, usually makes a sound similar to that of a washing machine, I have brought you all you need to know to fix it.

Sumps pump can be agonizing if you don’t know how to set, use, and maintain it. You don’t have to bother at all as here I have all the reasons that can end up with your sump pump sounding like a washing machine and their easiest solutions. Scroll down to find out.

Why Are The Sump Pump Sounds Similar To That of A Washing Machine?

Basements are usually the location of sump pumps. It is normal for a working sump pump to make a normal sound, but you might be careful because some types of sound can be because of any issue in the setting or working of the pump. If your sump pump is too loud or makes a disturbing clattering sound, it might become a peace wrecker for the inhabitant of the house. It can be quite devastating if, on rainy days, you have to deal with a troublesome sound similar to that of a washing machine instead of enjoying the weather.

As the pump is installed in the basement, thumping, crushing, throbbing, or gulping sounds can echo and interfere with your peace and comfort. Such sounds can be taken care of if you know their exact reason. If you disregard these indicators, your sump pump might end up damaged or non-operating. Please keep reading to discover the most probable reasons behind such sounds and their solutions.

1. Sump Pump Bubbling Sound

Reason of Sump Pump Bubbling Sound

A working sump pump usually makes bubbling sounds. These bubbling sounds can be due to the movement of the flap of the check valve. This sound can be continuous as the flap tends to move up and down each time the water is pushed upwards. The sound produced can be troublesome if you have a low-quality check valve or the old one needs replacement. Many users, as well as plumbers, find it normal.

Solution of Sump Pump Bubbling Sound

The reason behind the bubbling sound is either a shabby or an outworn check valve. Therefore, it should be replaced with one that operates and is silent. The quiet check valves are one of the best options for having a non-clamorous pump. These sump pumps have springs that prevent the sound produced by the sudden closing and opening of the check valve. So, if you want to eliminate the bubbling sound produced by the constant slamming of the flap in the check valve, replace it immediately.

2. Gulping Sound of a Sump Pump

Reasons of a Sump Pump Gulping Sound

The gulping sound can be more disturbing than the bubbling sound. It can require extra effort as this sound can occur because of an unacceptable water level in the underground sink that is set as the triggering point for turning off the sump pump. If the water level is set below the end point of the pipe placed in the underground sink, the pump will still work until the water reaches the set level. This will produce a gulping sound before the pump stops automatically after reaching the level you set as the sump’s turning-off limit.

Sump Pump Gulping Sound Solution

As the sound is produced because of the low water level in the sink, you will have to set the turn-off water level higher than the previous one. Some sump pumps don’t need such adjustment as they have an automatic built-in system that senses the water level within the underground pit. The pump stops forcing the water into the pipes when the water goes below the level of the sensor. At the same time, the pumps that need to do it manually require a little more hard work, as you will have to open the lid of the sink to change the selected level.

3. Sump Pump Trembling sound

Reason of Sump Pump Trembling sound

A trembling sound can be experienced if you have an issue setting up the sump pump. The pump has a powerful motor that pushes the water up the discharge pipes. If these pipes are not anchored properly or are placed close to other pipes, they might touch each other because of the high pressure of the water flowing through the pipes while the water is pumped out of the underground sink on your floor. I once faced such an issue because the discharging pipes were attached to the base of the ground floor, which might be the problem in your case too.

Sump Pump Trembling Sound Solution

To get rid of this type of noise, you can either change the position of the discharging pipes, which can be hectic and time-consuming or change the position where the pipes are anchored. If the noise is produced because of the close placement of pipes, then you can separate them by placing some soft material between them. But, if the sound is produced because the pipes are anchored into the base of the upper floor, you will have to change the position. Anchoring the discharge pipes into the basement wall might be a good option.

4. Grinding Sound of Sump Pump

Reasons of Sump Pump Grinding Sound

This might be the sound that a sump pump user might never want to hear, as fixing this problem can become a nightmare. Such sound is produced when there is a serious issue with the impeller. This sound can occur if something blocks the impeller or your sump pump needs a new impeller. The impeller is undoubtedly one of the most crucial parts of taking the water out of your basement.

Sump Pump Grinding Sound Solution

You don’t have to worry when you hear a grinding sound from your underground basin. First, you will have to open the lid of the pit to see for any blocking agent. If there is any, remove the water from the sink and clean it. If this is not the case, buckle up, as you will have to get a new impeller. You will have to take the sump pump out of the pit, change the impeller with the help of a wrench, and place the sump pump back into the underground basin

Types of Primary Sump Pumps

Selecting an appropriate primary sump pump is instrumental in helping protect property against flooding. When it comes to primary sump pumps, there are two common types:

Pedestal Sump Pumps

While submersible sump pumps are designed to be placed underwater in a sump basin, pedestal sump pumps are tall and skinny. This pump pumps water from a shallow or narrow sump basin on dry ground. Unlike submersible pumps, pedestal sump pumps endure longer because they do not incur water damage.

A pedestal pump is often the best option for homeowners considering a sump pump installation. Pedestal pumps have several distinct advantages, such as compact size, minimal wear and tear, and longer life cycles – all of which help offset their lower cost compared to submersible-style pumps.

Submersible Sump Pumps

Those who have basins that have a lot of water often use submersible sump pumps. Their compact size allows them to be placed at the bottom of your sump basin and operate out of sight underwater. When your sump pit is larger, submersible pumps provide an efficient way to keep it free from excess water.

Signs Of Sump Pump Failure

A sump pump is an important device in many homes’ basements as it helps prevent water damage and mold growth by pumping water out of the basement. However, like any other mechanical device, sump pumps can also fail, leaving your basement vulnerable to water damage. Awareness of the common signs of sump pump failure is important.

Noisy Operation: A sump pump that makes loud, unusual noises is a sign of struggling to do its job. The cause of the noise may be due to a clogged impeller or a worn-out motor.

Foul Odor: A sump pump that emits a musty or moldy odor could indicate a buildup of debris or sludge inside the pump, causing it to work inefficiently.

Lack of Water Discharge: If your sump pump isn’t discharging water, it could be a sign of a blockage in the discharge pipe, a malfunctioning pump, or a clogged impeller.

Overflowing Sump Pit: If the water level in the sump pit continues to rise even after the pump has been activated, it could be a sign that the pump is no longer working effectively.

Tripped Circuit Breaker: If the circuit breaker that powers your sump pump trips frequently, it could indicate that the pump is drawing too much power, leading to failure.

Age: Like any other mechanical device, sump pumps have a lifespan, and eventually, they will fail. Sump pumps typically last 10-15 years, so consider replacing one if it is older.

7 Annual Sump Pump Maintenance Tasks

It’s important to keep sump pumps in good condition to avoid strange noises or other issues. To help ensure that your sump pump remains functional, consider performing these seven maintenance tasks regularly. Contact a licensed HVAC technician for assistance if you’re not entirely confident executing them yourself.

  • Removing the pump and inspecting it for potential signs of rust or corrosion is necessary.
  • Verify that the pump’s inlet screen is clean to prevent debris buildup and potential issues. Clean the fabric or plastic filter as needed.
  • If indicated in the owner’s manual, lubricate the pump bearings before operation.
  • Reconnect the pump to an electrical outlet.
  • Fill the sump basin with water to ensure proper float switch operation.
  • Check the outflow pipe for any discrepancies.
  • Make sure to check regularly and clean out any accumulated buildup of material.

Frequently Asked Questions

What Does A Failing Sump Pump Sound Like?

Sump pumps are noisy household tools, but if yours makes annoying sounds, it might indicate that something needs your attention. There can be a problem in the maintenance or placement of the pump. If your sump pump is noisy and fails to force the water out of your basement, then you will have to see the causal factor behind it.

Why Is My Sump Pump Making So Much Noise?

Sump pumps make your life easy and miserable at the same time. If you know how to set and maintain a sump pump, then you will enjoy using one. But, if you have placed one in your basement without any prior knowledge or help, then you might face a number of problems. The noise can be because of the inappropriate position of the pump, faulty parts, or blockage.

Final Remarks

A noisy sump pump can shatter your peace of mind. It can be hectic and backbreaking when fixing a sump pump, especially if you don’t know the main reasons behind the commotion. Thanks to many years of using a sump pump, I have become experienced enough to identify the problem with the sump pump.

Mostly with the help of the type of sound it produces. Now you know why a sump pump sounds like a washing machine, its reasons, and its solution.

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