6 Best Sewage Grinder Pumps That Will Make Your Life Easier

Sewage grinder pumps have become essential, particularly for people in areas prone to heavy rains and flash floods. By using sewage grinder pumps, you can avoid sewage flooding. Sewage grinder pumps remove rainwater and drain it away from your house. I’ve researched and compiled a list of the best sewage grinder pumps on the market.

From powerful motors to durable construction, these pumps are designed to handle even the toughest wastewater applications. Investing in a quality sewage grinder pump is a smart decision that will save you time, money, and headaches in the long run. So, let’s dive in and explore the best sewage grinder pumps available today!

Comparison Of Best Sewage Grinder Pumps





Zoeller M267 Pump

Ideal for residential & commercial use, Durable cast-engineered construction, Corded electric power source


4.6 / 5  

Wayne RPP50 Pump

Bottom suction design, 2 in. Npt discharge, Cast iron material


4.2 / 5  

Liberty PRG101A Pump

Corded electric power source, Heavy cast iron construction, 115V single phase


4.4 / 5  

Liberty LE51A Pump

Stainless steel and cast iron material, Corded electric power source, Shut-off head of 25-foot


4.4 / 5  

Happybuy Pump

Battery powered source, Stainless steel material, Wide application


4.0 / 5  

Zoeller M805 Pump

Stainless steel cutter and plate, Battery-powered source, Cast iron construction


4.8 / 5  

6 Best Sewage Grinder Pumps

The best sewage grinder pumps are specific grinder that uses water pressure to move sewage through pipes rather than relying on an electric motor.

Grinder pumps are especially useful in underground or above-ground private wells where the distance between the source of the sewage and the surface is small. 

The best sewage grinder pumps make sending wastewater through pipes easier and safely back into the ground. If you’re considering buying a grinder pump, here’re my list of the six best models available today:


Zoeller M267 Pump


  • Heavy-duty submersible sewage with 1/2 HP
  • 125 gallons per minute flow rate (maximum)
  • Passes 2″ spherical solid waste with plastic impeller
  • Automatic discharge with integral float switch
  • Ideal for residential & commercial use
  • Durable cast-engineered construction
  • Corded electric power source
  • HAWA material

  • Perfect for any homeowner
  • High-quality construction
  • Solid and reliable pump
  • Worth every penny
  • Great sewage pump
  • Easy to install
  • Not durable

The Zoeller M267 is a highly reliable and efficient sewer pump among the best options available. Although it is pricier than other alternatives, its exceptional pump power, durability, and leak-proof construction make it a worthwhile investment that guarantees long-lasting performance.

You can identify the Zoeller M267 model by its trademark green cast iron body, which provides almost complete leak protection and high resistance to rust.

The model comes equipped with a 1/2 horsepower pump that can effectively manage solid particles up to 2 inches in size, ensuring no damage to internal components and blockage in the drain lines. This model is perfect for homes or locations with large solids that could harm delicate impellers.

Reviews from customers

Amazon Adam said, “This is an excellent sewage pump I purchased for a basement bathroom. It is made in the USA, with great quality instruction and ease of use. Zoeller is the de facto standard when it comes to sewage pumps. It has a 2″ output, so you must be able to have your stack be able to accommodate that.  I highly recommend this sewage pump, and you will not be disappointed for years.”

Deb said, “My sump pump works constantly, even in a drought. This is my second Zoeller Pump. The first one did not fail. I just replaced it because it is used so much. The pump is easy to install and has never failed me. I highly recommend it.”


Wayne RPP50 Pump


  • Submersible sewage with 1/2 HP
  • 6200 gallons per hour flow rate
  • Corded electric power source
  • Durable, cast iron submersible sewage pump
  • Bottom suction design
  • 2 in. Npt discharge
  • Cast iron material

  • Great sewage pump
  • Solid construction
  • Well-built, quiet, and fast
  • Powerful pump
  • Easy to install
  • Worth the money
  • Not durable

The Wayne RPP50 is an electric pump that can submerge in sewage and work as a sump pump. It has a 1/2 horsepower motor and can pump up to 5,700 gallons of water per hour. Additionally, it comes with a one-year warranty.

The RPP50 model lacks a battery backup and operates using a motor that requires 120V and 15 amps via a 9-foot-long power cord. It can work within a temperature range of 33F to 133F.

The pump is enclosed in cast iron and has a self-priming mechanism. It employs a tether float and has a discharge outlet of 2 inches in NPT size. Additionally, it can manage solid waste with a diameter of up to 2 inches.

The pump can achieve a maximum flow rate of 5,700 gallons per hour when pumping at ground level, but this rate decreases to 3,240 gallons per hour at the height of 10 feet, 900 gallons per hour at the height of 15 feet, and 18 feet, the pump reaches its maximum height and shuts off. If you want to accommodate the RPP50 pump, the sump must have a diameter of at least 18 inches.

Reviews from customers

Chiliguyfl said, “This pump is an excellent one, made by an established company. I combed the internet and brick-and-mortar stores but could not find a better deal on quality or price. It was easy to change out and works like a champ. I was pleased with the purchase and shipping. Would purchase this product again.”

Douglas said, “I bought this Pump to make an Aerator for my Pond. It has been running constantly since I got it. It works perfectly for the purpose I am using it for, so I’m positive it would work great for its intended purpose.”


Liberty PRG101A Pump


  • 42 gallons per minute flow rate (maximum)
  • Patented V-Slice cutter technology
  • Corded electric power source
  • Heavy cast iron construction
  • 115V single phase

  • Most powerful pump
  • Worth the price
  • Good-quality pump
  • Minor issues

If you’re looking for a reliable residential sewage pump, the Liberty Pumps PRG101A might be just what you need. This submersible pump is designed for grinding sewage and can be used in various settings.

With a powerful 1-horsepower electric motor, Liberty Pumps can move up to 2,760 gallons per hour and reach a maximum head of 50 feet. Plus, it comes with a 3-year warranty for added peace of mind.

The PRG101A is constructed with class 30 cast iron and comprises a class 25 cast iron impeller and a 440 stainless steel cutter and cutter plate. The initial setup comes with a power cord that is 10 feet long, while an alternative option, the PRG101A-2, offers a 25-foot power cord.

Reviews from customers

RJ Beato-Henriquez said, ” I just installed this grinder pump for our bathroom in our basement. My plumber has told me that this pump is the best. It never would clog because it has 1hp, and it has super strong and sharp blades that act as a grinder. I hope my plumber is right. Time would tell.”

Steve Parker said, “Works Great!!!! Has no problem pumping sewage over 150’ to the main sewage line at the road. Very quiet, I can barely hear it running !!!”


Liberty LE51A Pump


  • 160 gallons per minute flow rate (maximum)
  • Oil-filled, thermally protected motor
  • Stainless steel, Cast iron material
  • Corded electric power source
  • Shut-off head of 25-foot

  • High-quality pump
  • Easy to install
  • Reliable
  • Affordable
  • Powerful
  • Sometimes there is vibration noise

The LE51A sewage ejector pump from Liberty Pumps is designed for residential and light commercial use and operates automatically when submerged. It comes with a 1/2 HP electric motor, capable of pumping up to 9,600 gallons per hour and reaching a maximum height of 24 feet. The pump also comes with a standard 3-year warranty from Liberty Pumps, ensuring its quality and reliability.

The LE51A has a thermoplastic impeller that can handle spherical solids up to 2 inches. Its motor is filled with oil and has thermal protection.

The LE51A pump comes with a standard 10-foot power cord, while the LE51A-2 is the same model but with a longer 25-foot cord. The pump has a maximum temperature limit of 140F and features an automatic mechanical float switch with a piggyback plug. Additionally, it has a 2-inch FNPT discharge.

Reviews from customers

Michael Wickham said, “I had a Liberty pump that lasted about 15 years. I replaced it with a Dunlap pump from Harbor Freight. That lasted less than two years. Liberty pumps work and is worth the money, even if they aren’t cheap. They’ll pay for themselves over the long run.”

Verlon Persinger said, “Replaced a 10-year-old unit with the same make and model. Great service pump!”


Happybuy Pump


  • 30 cubic feet per minute flow rate (maximum)
  • 50 feet lifting height (maximum)
  • Premium quality sewage pump
  • Battery-powered source
  • Stainless steel material
  • Wide application

  • Great service and product
  • High-quality pump
  • Worth the money
  • Easy to use
  • Durable
  • Minor issues

If you are looking for a powerful sewage pump that can destroy solids and has an internal impeller, the Happybuy Sewage Pump is a great option. This model has thermal protection to avoid motor overheating while being used heavily, and it also comes with a 15-foot power cord that is appropriate for its use.

The Happybuy Sewage Pump has a 23-foot long power cord, an electric plug, a float switch, and an optional hose adapter. Its design can handle large sewage debris and prevent blockages for smoother operation. The pump also features high-quality bearings that reduce noise and operational losses.

Happybuy Sewage Pump is made of commercial-quality stainless steel. The sump pit pump with a higher base plate ensures that debris does not accumulate and can pump clean and dirty water. Additionally, it has a garden hose attachment that enables it to be used immediately.

Reviews from customers

Mike Powell said, “Great pump. I hooked it up to 100 feet of retired fire hose, which shoots several feet of solid stream. It has run for hours each day without issue. Place it into a screened milk crate to easily handle and keep out foreign objects.”

Briana said, “We enjoyed this product. We got the one we needed, and it worked just as planned. All of the employees were very responsive and thorough. Great service recommended by them and the products they sell!”


Zoeller M805 Pump


  • Oil filled for optimal heat dissipation
  • Engineered plastic, non-clogging, vortex impeller
  • Stainless steel cutter and plate
  • Battery powered source
  • Cast iron construction

  • Solid and powerful pump
  • Worth BUYING
  • Minor issues

The Zoeller sewage pump has a high-velocity cutter that rotates at a speed of 250,000 times per minute, allowing it to filter and grind up to 20 gallons of sewage in a minute. The cutter is powerful enough to grind any material that can be flushed through the toilet.

This grinder pump has an impeller manufactured from a type of plastic resistant to corrosion. On the other hand, the plate and cutter are made of stainless steel designed to resist rust.

The Zoeller sewage pump comes with a 0.75 horsepower motor. It can pump up to 40 gallons of wastewater per minute to a maximum height of 45 feet, making it suitable for transferring sewage to the primary sewage system. The device has a temperature limit of 221°F, as cautioned by the manufacturer. This may influence the locations where it can be installed.

Reviews from customers

How Does Best Sewage Grinder Pumps Work?

The best sewage grinder pumps work by first sucking out the liquid from the septic tank. It then uses its rotors to shred and grind up solids. The rotors are sharp, and they are responsible for shredding the waste. 

The blades push the junk toward the center of the pump, where the fins are located. The fins create a whirlpool effect, which causes the debris to move toward the center.

When all of the liquid has been drawn out, and the particles have been crushed and pushed toward the center, the pump will expel the fluid and waste into the earth, out of reach of people and animals. 

The time it consumes for the best sewage grinder pump to suck out and discharge the liquid and waste will vary based on the pump’s size.

Best Sewage Grinder Pumps: Buyers Guide

Here are the factors to consider before buying the best sewage grinder pumps: 

  • Flow rate and maximum gallons per minute are essential considerations. The more water sewage pumps must drain, the higher the horsepower motor.
  • It is essential to consider the body material of the submersible sewage pump. This is because sewage pumps take a lot of wear and tear.
  • Head height varies slightly from house to house. Choose a powerful pump to raise the water from the basin and out of your home—the more powerful the sump pump, the deeper the basement.
  • Choose the best sewage grinder pumps with vortex impellers for the most significant results. It will help shred and crush tiny solids, allowing them to travel through sewage lines and into city sewers or septic systems.

You can add separate battery backups & pump failure alerts if the power goes out during a significant storm.

Points To Remember While Selecting The Best Sewage Grinder Pumps

When selecting the best sewage grinder pumps, it’s essential to consider various factors. The type of environmental conditions you will use, the amount of usage, and its overall reliability are all things you should consider.

Here are the crucial points to remember when making your decision: 


When selecting a sewage grinder pump, it’s important to consider its capacity, which indicates the amount of waste it can process in a single operation. The size of your septic tank influences the pump’s strength; if it’s bigger, you’ll need a higher-capacity pump to handle the load.

If the pump size is small, then a low-capacity pump will suffice. However, it is crucial to remember that the pump’s cost increases with capacity. Therefore, a bigger pump will be more expensive.

Flow Rate

If your septic tank is full, it requires a pump with a high flow rate. A low-flow rate pump is unsuitable for handling a full septic tank. It is important to note that a high-flow rate pump comes at a higher cost than a low-flow rate pump.


Selecting a sewage grinder pump that is simple to install and functions effectively saves money and time is essential.

Sewage grinder pumps are highly effective in eliminating blockages and halting wastewater flow. Nevertheless, if not used properly, they can inflict harm on pipes and result in costly repair expenses.

Hence, investing in top-quality sewage grinder pumps that suit your residential or commercial needs is crucial.

Wrapping up: Best Sewage Grinder Pumps

The best sewage grinder pumps are essential devices in a septic system. The best sewage grinder pump for you will depend on your septic tank’s capacity and flow rate. If you maintain your septic tank and install a sewage grinder pump, you will avoid costly repair costs in the future.

FAQs On Best Sewage Grinder Pumps:

1. What type of pump is best for sewage?

Here are the pumps that are best for sewage: 
Wayne RPP50 Sewage Pump
Liberty Pumps LE51A Sewage Pump
Hallmark MA0387X-9 Sewage Pump
Zoeller 267-0001 Sewage Pump
Superior 1/2-Horsepower Sewage Pump
Little Giant LG-SEW50SA Sewage Pump
RainBro 1/2 HP Sewage Pump

2. Which pump is used for sewage disposal?

The Centrifugal, progressive cavity, and positive displacement pumps are the most popular types of pumps used in wastewater treatment plants.

3. Should I get a sewage pump or a grinder pump?

Grinder pumps are recommended for use with pressurized sewer mains due to their suitability for lower-volume handling. On the other hand, sewage pumps are the optimal choice for transferring large amounts of raw sewage over short distances or to a septic tank. Additionally, sewage pumps may offer lower power consumption.

Read more:

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Pump Installation: Complete 9-Step Process For Beginners

How Much Does Backflow Testing Cost? The Ultimate Guide

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Fluidmaster vs Korky: Which Toilet Replacement Is The Best?

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Michael Bowen

Michael Bowen

Michael Bowen is an ambitious entrepreneur who has been in the business of building homes since he was 19. Michael's commitment to honesty, integrity, and high-quality workmanship has earned him a reputation as one of the best in the business.

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