How to Make Sump Pump Quieter

How to Make Sump Pump Quieter: 6 DIY Steps [Easy Guide]

Last Updated on May 4, 2023

A noisy sump pump can be seriously disruptive and unpleasant, but there’s no need to put up with it. Thankfully, a few simple steps can reduce the noise levels of your home’s sump pump, so you enjoy more peace and quiet.

To achieve a quieter sump pump, it is advisable to transition to a submersible pump and implement a tightly-sealed cover with a gasket for the pit.

Incorporating snap-fit fiberglass insulation into the discharge pipe and fittings can significantly minimize sound output. Separating the discharge pipe from making solid contact with any surface is beneficial to enhance the effect further.

Utilizing a quiet check valve with a soft check can also reduce noise. When frequent cycling is an issue, a “deep cycle kit” can be a valuable addition to diminishing the cycling rate.

Placing a rubber mat beneath the pump can help mitigate vibrations while avoiding horizontal and completely vertical pipe configurations.

Ready to learn every tip and trick for keeping your sump pump quiet? Read on. We’ll cover all the details so you can enjoy a peaceful home.

How to Make Sump Pump Quieter: 6 DIY Steps

What Can You Do to Make Your Sump Pump Quieter

If the sound of your sump pump is bringing you down, cheer up. There are a few simple tricks to tone down that noise and make for a peaceful home life. Check out these solutions. You could be closer than ever before to blissful silence in no time.

1. Switch to a Submersible Pump

Switching from a pedestal sump pump to a submersible pump is one of the most effective ways to keep your sump pump quiet.

Pedestal sump pumps are known for being louder due to their above-water operation, as they sit on a pedestal outside the pit with the motor exposed to the air.

Comparatively, submersible sump pumps are quieter as they operate underwater, which helps to muffle their sounds.

Besides noise reduction, submersible pumps also offer additional benefits: they have a longer lifespan. They are more efficient at pumping water, which may translate to cost savings in the long run.

When choosing a submersible sump pump, look for models with reliable, cost-effective, and energy-efficient operation.

2. Install a Tight-Fitting Cover

An adequately installed tight-fitting cover is a highly effective solution for mitigating sump pump noise in your home.

By selecting a cover designed to accommodate your specific sump pit and pump model, you can ensure that the accompanying gasket will create a secure seal around the pit.

This serves not only to enclose and significantly reduce any sounds produced during the pump’s operation but also to safeguard the equipment from potential debris.

To optimize the efficiency and safety of this noise-reduction method, choosing a cover that boasts durability, a precise fit, and appropriate ventilation is imperative.

This combination will successfully prevent the accumulation of hazardous gases, such as radon while maintaining a quieter pump system.

3. Insulate the Discharge Pipe

The discharge pipe is another source of noise in sump pump systems. To minimize this noise, you can insulate the discharge pipe using snap-fit fiberglass insulation. The insulation helps to absorb the vibrations and sounds from the pump as it moves water through the pipe.

Also, consider using a rubberized pipe where the discharge line exits the basement. The rubber material can help absorb vibrations and minimize noise transmission throughout your house.

Proper insulation and pipe selection can significantly reduce noise levels and create a more comfortable living environment.

4. Install a Quiet Check Valve

A check valve is an essential component of your sump pump system, keeping water from flowing back into the pit after it has been pumped out. However, some check valves can generate significant noise when water slams into them.

To reduce this noise, consider installing a quiet check valve equipped with a soft check. The soft check is designed to minimize the noise created when the water flow is stopped, making your sump pump system much quieter.

Another option is to add a deep cycle kit to your sump pump system, which can help reduce the frequency of pump cycling, thereby reducing noise caused by the pump’s frequent on/off operation.

Transform your home into a peaceful oasis by selecting the right check valve and deep cycle kit. You’ll be amazed how much quieter these additions make your sump pump system, allowing you to enjoy superior comfort and serenity.

5. Place Sound-Deadening Pad Under the Pump

Consider using a sound-deadening pad beneath the pump to reduce the noise produced by the vibrations effectively.

These pads are specifically designed to absorb and dissipate noise created by vibrating equipment, making them an ideal choice for sump pumps. Some common materials used for sound-deadening pads include rubber, neoprene, and polystyrene.

A simple and cost-effective solution is repurposing a mouse pad or creating a homemade, sand-filled filter bag as a sound-deadening pad.

When choosing a pad, consider factors like thickness, density, and elasticity, as these play a significant role in the pad’s performance in noise reduction.

Place the pad directly under the pump to effectively minimize noise transmission through the surface or structure it is sitting upon.

6. Use PVC and Reinforced Vinyl Tubing

Combining polyvinyl chloride (PVC) and reinforced vinyl tubing is another effective way to dampen noise and vibrations from your sump pump. This method works by disrupting the vibration’s path through the tubing, minimizing the transmission of sound.

To implement this technique, begin by attaching a section of PVC pipe to the pump’s discharge. Then, connect a section of reinforced vinyl tubing to the end of the PVC pipe.

The flexible nature of the vinyl tubing acts as a barrier and helps to break up the vibrations and noise generated by the pump.

Ensure that the tubing is secured adequately and there is minimal contact with the surrounding walls or structures to prevent vibrations from resonating throughout the building.

Proper installation and maintenance of the tubing can significantly contribute to a quieter sump pump system.

How Can I Determine the Source of the Noise Emanating From My Sump Pump, Based On the Sound?

How Can I Determine the Source of the Noise Emanating From My Sump Pump, Based On the Sound

Don’t let the mysterious murmurs from your sump pump give you a headache. Make an educated guess at what’s causing those strange sounds with these diagnostic tips.

1. Motor Noise

To determine if the source of the noise coming from your sump pump is the motor, start by closely listening to the sound it is producing. 

Common sounds associated with motor issues include clicking, humming, or whirring noises. To locate the motor, follow the sound toward its origin.

In many cases, the motor is situated within the sump pit, so you may need to remove the pit’s lid in order to access it. Once you have located the motor, observe its operation while the pump is running.

Take note of any irregular sounds or behaviors that seem out of the ordinary. Keep in mind that some noise is normal for a sump pump motor, but excessive or unusual noises might indicate a problem.

If the motor is the source of the noise, it is crucial to address the issue as soon as possible to prevent further damage or complete failure of the sump pump system.

2. Vibrating Noise

Another common source of sump pump noise is vibration. This type of noise is generally characterized by rattling or clanging sounds.

These sounds may be produced when the sump pump discharge pipes vibrate as they pump water out of your home.

To identify if vibration noise is the issue, follow the discharge pipes from the sump pump to their endpoint.

As you trace the path of the pipes, check for any loose connections or instances of the pipes being in contact with other structures, such as walls or floor joists.

Pipes that are touching other structures can transfer vibrations, causing an unwanted rattling or clanging noise.

To address the issue of vibration noise, you may need to secure the loose connections or put some padding around the pipes to minimize contact with surrounding structures.

Doing so will help reduce the transfer of vibrations and lessen the amount of noise emanating from the sump pump.

3. Loud Banging Noise

When you hear a loud banging noise as your sump pump turns on or off, the main culprit might be a water hammer, a phenomenon that occurs due to a sudden change in water flow.

To identify the source of this noise, you should carefully inspect your discharge pipe to locate the exact spot causing the sound.

Pay close attention to areas where your pipe connects to fittings or makes sharp turns, as these attributes may lead to increased turbulence in water flow, causing the noise.

A pressure gauge installed along your discharge pipe could also help you pinpoint the source of the water hammer. When the pump turns on or off, there’s a sudden spike in pressure.

To mitigate the noise, you can consider installing air chambers or water hammer arrestors in the affected areas to absorb the pressure surge.

4. Check Valve Noise

The check valve might be responsible if your sump pump produces clunking, banging, or whistling noises.

To identify whether the check valve is causing the noise, carefully follow the discharge pipe from the sump pump unit and focus on the section where the check valve is installed.

Listen for any unusual noises that coincide with the pump turning on or off. If you suspect the check valve is the main noise source, try replacing it with a quieter model or ensure it is correctly installed to minimize turbulence.

5. Humming

If your sump pump emits a humming noise, which doesn’t come from the motor itself, you may have debris stuck in the intake or discharge pipes.

These obstructions can lead to reduced water flow efficiency and impact the functionality of your sump pump.

To determine the source of the humming, inspect both the intake and discharge pipes for any visible clogs or debris build-up. You can use a flashlight to visually inspect the intake pipe or disconnect it from the pump to check for any obstructions.

For the discharge pipe, trace it from the sump pump to its exit point and look for any bends, kinks, or sections that might be prone to debris accumulation. 

If you find a blockage, ensure to clear it out to restore your sump pump’s efficiency and eliminate the humming noise.

What Things Should You Consider for Choosing a Good Quality Quiet Sump Pump?

What Things Should You Consider for Choosing a Good Quality Quiet Sump Pump

Selecting a good-quality quiet sump pump requires thoughtful consideration of various factors to ensure both functionality and minimal noise disturbance. 

Opt for models promoting themselves as “quiet” or “ultra-quiet” for the best noise control. As previously mentioned, submersible pumps emit less noise since they operate underwater, making them the wiser choice than pedestal pumps. 

Assessing the size and horsepower of your prospective sump pump is crucial to ensure compatibility with your sump pit and the ability to manage the volume of water it will need to handle. Prioritize pumps that boast dependability and ease of maintenance. 

You can simplify your decision by reviewing our trusted reviews and recommendations for the best quiet sump pumps. You can confidently select the ideal quiet sump pump for your needs by evaluating these factors.

How Often Should I Lubricate My Sump Pump Bearings to Reduce Noise?

To effectively reduce noise and ensure smooth operation, it is essential to lubricate your sump pump bearings at least once a year. When selecting a lubricant, choosing a high-quality silicone or petroleum-based product is advisable or simply opt for the oil the manufacturer recommends.

You can expect optimal pump performance and a seamless working mechanism by consistently adhering to the provided guidelines for proper lubrication.

Don’t overlook the importance of this annual maintenance task; prioritizing lubrication can make a significant difference in the long-term functioning of your sump pump.

How Loud Should a Sump Pump Be?

How Loud Should a Sump Pump Be

A sump pump typically operates with a minimal humming sound. However, loud or unusual noises warrant immediate attention and repair. Rattling or grinding sounds can signal issues with the impeller or fan within the sump pump.

The volume of a sump pump’s sound should not disrupt daily activities or disturb the peace within your home. If the noise level increases significantly, diagnosing the problem without delay is crucial.

Quieter Home, Greater Calm: Transform Your Sump Pump System for Tranquility Today

Experiencing tranquility in your living space is indeed attainable by making a few minor adjustments and prudent investments in your sump pump system.

By moving away from a conventional design and embracing a submersible pump, you not only benefit from reduced noise but also gain improved efficiency.

Complementing this with a tight-fitting cover further dampens vibrations, creating a more serene environment. Ensuring adequate insulation of the discharge pipe also minimizes noise transmission, thus contributing to the overall calmness.

Integrating a deep cycle kit reduces sound output and fosters longer life for your sump pump. By adopting these modifications, you can cherish the peace of mind that comes with a whisper-quiet and efficient sump pump system.

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