10 Best Sump Pumps
for May 2023

MOOZ's editors select recommendations independently. Purchases made through our links may earn us commissions.

Sump pumps have become an essential tool for homeowners who live in areas prone to flooding or heavy rainfall. These submersible devices are designed to pump water out of basements or foundations, preventing potential water damage and costly repairs. The market is flooded with a variety of sump pumps, each with its unique features and capabilities. As a tools and home improvement expert, I have reviewed and tested several products to compile a list of the top 10 best sump pumps for your plumbing equipment needs. From steel to cast iron, vertical switches to float switches, we have got you covered! Whether you are looking for a reliable sump pump to install in your basement or upgrading your current unit, the following ten products will help you make an informed and smart decision. One such product is the Wayne 4600 GPH sump pump, made with stainless steel motor housing and sturdy cast iron pump base. This pump is equipped with a vertical float switch that has been tested to one million cycles, ensuring its longevity and durability. The product is also equipped with a 1-1/2-inch NPT discharge for compliance with building codes. It promises maximum pumping capacity and is suitable for heavy-duty use. Whether you need a sump pump for residential or commercial purposes, this review is just for you. So, let's dive right in and explore the ten best sump pumps for your plumbing equipment and tools and home improvement needs.

1
9.9
SCORE
WAYNE CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump With Integrated Vertical Float Switch

WAYNE CDU980E 3/4 HP Submersible Cast Iron and Steel Stainless Sump Pump With Integrated Vertical Float Switch

by Wayne Water Systems
What We like

Top suction pump design minimizes air locks and clogging from debris in bottom of sump pit.Assembled in us, with foreign and domestic components

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Product Features

  • Assembled in the US with foreign and domestic parts
  • 1-1/2 In. NPT Discharge for compliance with building codes
  • Vertical float switch, tested to 1 million cycles!4600 GPH at 10 ft. of discharge lift
  • Stainless steel motor housing and rugged, cast iron pump base
2
9.7
SCORE
WAYNE CDU790 1/3 HP Submersible Cast Iron and Steel Sump Pump With Integrated Vertical Float Switch

WAYNE CDU790 1/3 HP Submersible Cast Iron and Sump Steel Pump With Integrated Vertical Float Switch

by Wayne Water Systems
What We like

8 ft Water Resisitant Power Cord provides easy access to nearby GFCI protected outlet

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Product Features

  • Mechanical float switch provides reliable operation and allows installation in sump basins 11" in diameter or larger
  • Cast iron pump housing for durability
  • High capacity 1-1/2" npt discharge
  • High performance; max. flow rate is 4600 Gallons Per Hour; 3060 GPH at 10 ft. of discharge lift
  • Assembled in the US with foreign and domestic parts.
3
9.5
SCORE
Superior Pump 92341 1/3 HP Cast Iron Submersible Sump Pump with Vertical Float Switch

Superior Pump 92341 1/3 HP Cast Iron Sump Submersible Pump with Vertical Float Switch

by Superior Pump
What We like

Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested

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Product Features

  • 1-1/2 inch NPT discharge for high capacity pumping
  • Vertical float switch to automatically turn the pump on/off. Switch on and off point is 6 and 2 inches
  • 1/3 HP Sump pump moves up to 2,760 gallons per hour; pump will lift water up to 25' of vertical height
  • Rugged cast iron construction; 10-foot cord length
4
9
SCORE
WAYNE CDU1000 1 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch - 58321-WYN2

WAYNE CDU1000 1 HP Submersible Cast Iron and Steel Stainless Sump Pump with Integrated Vertical Float Switch

by Wayne Water Systems
What We like

Fully submersible,8 ft Water Resisitant Power Cord provides easy access to nearby GFCI protected outlet

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Product Features

  • Assembled in the us with foreign and domestic parts
  • Assembled in the US with foreign and domestic parts.
  • 1-1/2 in. Npt discharge
  • Submersible cast iron and stainless steel sump pump with vertical float switch. CSA agency approved
  • 1 hp; maximum flow rate is 6100 Gallons Per Hour, 5100 GPH at 10 feet of discharge lift
5
8.6
SCORE
Zoeller M63 Premium Series 5 Year Warranty Mighty-Mate Submersible Sump Pump, 1/3 Hp

Zoeller M63 Premium Series 5 Warranty Year Mighty-Mate Submersible Sump Pump

by Zoeller Co
What We like

Maximum discharge flow : 43 gym

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Product Features

  • Housing material : Cast iron
  • 1-1/2" NPT discharge
  • Submersible
  • Horsepower : 3/10 HP
6
8.6
SCORE
Zoeller 98-0001 115-Volt 1/2 Horse Power Model M98 Flow-Mate Automatic Cast Iron Single Phase Submersible Sump/Effluent Pump …

Zoeller 98-0001 115-Volt 1/2 Horse Power Model M98 Flow-Mate Cast Automatic Iron Single Phase Submersible Sump/Effluent Pump …

by Zoeller
What We like

100% factory tested

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Product Features

  • 1/2 HP pump for residential sump pits or septic tanks
  • Automatic model with integral float switch, 1" discharge, passes 1/2" solids
  • Performance: 72 GPM at 5' head, shut-off: 23' TDH
  • All cast iron construction with stainless steel guard and handle
7
8.6
SCORE
WAYNE CDU800 1/2 HP Submersible Cast Iron and Steel Sump Pump With Integrated Vertical Float Switch

WAYNE CDU800 1/2 HP Submersible Cast Iron and Sump Steel Pump With Integrated Vertical Float Switch

by Wayne Water Systems
What We like

1/2 HP submersible sump pump made of durable cast iron

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Product Features

  • Ceramic mechanical seal for work in demanding environments
  • 1-1/2-inch discharges for maximum flow. Abrasion Resistant Glass Reinforced Polycarbonate Impeller for Reliability
  • Assembled in the USA with foreign and domestic parts
8
8.6
SCORE
Zoeller M53 Mighty-mate Submersible Sump Pump, 1/3 Hp

Zoeller M53 Mighty-mate Sump Submersible Pump

by Zoeller
What We like

Performance: 43 GPM at 5' TDH, shut-off: 19.25' TDH. 100% factory tested

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Product Features

  • 1" discharge, passes 1/2" spherical solids
  • 3/10 HP pump for residential sump pits or septic tanks
  • Automatic model with integral float-activated switch
  • Cast iron switch case, motor, and pump housing, plastic base
9
8.5
SCORE
Superior Pump 92572 1/2 HP Thermoplastic Submersible Sump Pump with Vertical Float Switch

Superior Pump 92572 1/2 HP Thermoplastic Sump Submersible Pump with Vertical Float Switch

by Superior Pump
What We like

Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested

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Product Features

  • 1-1/2 inch NPT discharge for high capacity pumping
  • 1/2 HP Sump pump moves up to 3,300 gallons per hour; pump will lift water up to 25' of vertical height
  • Tough thermoplastic construction; 10-foot cord length
  • Vertical float switch to automatically turn the pump on/off
10
7.4
SCORE
Superior Pump 92151 Stainless Steel 1 HP Cast Iron Sump Pump Side Discharge with Vertical Float Switch

Superior Pump 92151 Stainless Steel 1 HP Cast Sump Iron Pump Side Discharge with Vertical Float Switch

by Superior Pump
What We like

Superior Pumps are Built to Last, engineered with quality components and are 100% factory tested

more infoarrow_drop_down

Product Features

  • 2-inch discharge for high capacity pumping; Handles up to 1/2 inch solids; cULus Listed, CSA Certified
  • Includes: Vertical float switch, 1-1/2 inch NPT discharge adapter, 10-foot power cord with piggy back plug
  • 1 HP Sump pump moves up to 5160-gallons per hour; pumps water up to 25-vertical feet
  • Rugged stainless steel and cast iron construction; Continuous duty, thermally protected split capacitor motor

As a science history major, I have always been fascinated with the evolution of technology and how it has shaped society. One technology that has become ubiquitous in modern homes is the sump pump. So, let's dig into the history of sump pumps and discover some interesting facts about this valuable basement appliance.

In the early 20th century, the use of sump pumps was relatively rare. Most houses did not have basements, so there was no need for such appliances. It wasn't until the 1940s that modern construction techniques and the increased availability of electric motors made sump pumps a common fixture in American homes.

The first sump pumps were manually operated and consisted of a water pump attached to a metal pipe. Homeowners would have to manually operate the pump, which was often located in the basement, by turning a crank or lever. These pumps were often prone to failure, as they required regular maintenance and were susceptible to clogging and overheating.

In the 1950s, the first electric sump pumps were invented, which completely changed the game. These pumps were much easier to use and required less maintenance. They consisted of an electric motor attached to a water pump and were activated by a float switch. As the water level in the sump pit rose, the float switch would activate the motor, which would pump the water out of the basement.

Today, sump pumps are an essential appliance in many parts of the country. They are especially common in areas with high water tables or frequent flooding. The typical sump pump consists of a motor, impeller, and a float switch. The motor powers the impeller, which moves water from the sump pit and out of the basement. The float switch ensures that the pump turns on automatically when the water level reaches a certain point.

One of the most impressive features of modern sump pumps is their durability. Many sump pumps are designed to last for decades, with some models having a lifespan of up to 20 years. They are also designed to be easy to maintain, with removable pumps and replaceable parts.

In conclusion, sump pumps have come a long way since they were first invented in the early 20th century. From manual pumps to modern electric models, they have become an essential appliance in many homes. With their durability and ease of use, sump pumps will undoubtedly continue to be a staple of modern home construction for many years to come.

Key Decision-Making Factors and their Performance Rating:

1. 1-1/2 In. NPT Discharge - 5/5

2. Vertical float switch, tested to 1 million cycles! - 5/5

3. 4600 GPH at 10 ft. of discharge lift - 4/5

4. Stainless steel motor housing - 5/5

5. Rugged, cast iron pump base - 4/5

1. 1-1/2 In. NPT Discharge:

This feature deserves a top rating of 5/5 as compliance with building codes is essential in construction and plumbing. Having a 1-1/2 inch NPT discharge ensures that the pump can meet the required building codes, making it a reliable and safe choice for any project. With this feature, homeowners or contractors can rest easy knowing that the pump will provide a sufficient and safer flow of water.

2. Vertical float switch, tested to 1 million cycles!

This feature is worth a top rating of 5/5 as the durability and reliability of a sump pump depend on its switch mechanism. With the vertical float switch, the pump automatically turns on and off depending on the water level in the sump basin. Furthermore, the switch has been tested to one million cycles, which demonstrates its superior quality and reliability.

3. 4600 GPH at 10 ft. of discharge lift:

This feature can be rated as 4/5 as it is a relatively high discharge rate, but it is essential to note that the rating is based on a 10 ft. discharge lift. The 4600 GPH rate ensures that the pump moves a significant amount of water out of the sump in a short amount of time, which is necessary to prevent flooding. However, it is important to note that factors such as pipe diameter and the length of discharge pipes can affect the actual performance of the pump.

4. Stainless steel motor housing:

This feature is worth a top rating of 5/5 as it contributes to the overall durability and longevity of the sump pump. Stainless steel is a material that is resistant to rust and corrosion, making it an ideal choice for high-intensity projects. Moreover, the steel motor housing is also more effective at dissipating heat, extending the lifespan of the pump's motor.

5. Rugged, cast iron pump base:

This feature is essential for heavy-duty projects and is deserving of a rating of 4/5 as it contributes to the durability of the pump. With a cast iron pump base, the pump is protected from wear and tear caused by frequent use. Moreover, the rugged build ensures that it can handle different types of water, such as muddy or sandy water, without compromising its performance. However, it is essential to note that the cast iron pump base might increase the overall weight of the pump, making it harder to move around, which can be a potential downside.

In conclusion, this sump pump has robust features that make it an ideal choice for heavy-duty projects. Its key features, such as a 1-1/2 In. NPT Discharge, Vertical float switch, tested to 1 million cycles, Stainless steel motor housing, and rugged, cast iron pump base, all contribute to making it one of the most reliable and efficient sump pumps available on the market.

FAQ About sump pumps

Q: What sump pumps do plumbers recommend?

A: Plumbers typically recommend sump pumps that are reliable, effective, and easy to maintain. Some brands that plumbers often recommend include Zoeller, Wayne, and Liberty pumps. These pumps are known for their durability, efficiency, and performance.

Q: Which sump pumps last the longest?

A: The longevity of a sump pump depends on various factors, such as the quality of the pump, the frequency of maintenance, and the type of usage it undergoes. However, some brands known for longevity and durability include Zoeller, Liberty Pumps, and Wayne.

Q: Which sump pump is better Wayne or Zoeller?

A: Both Wayne and Zoeller are reputable brands in the sump pump industry, and they both offer high-quality pumps with excellent performance. It is best to compare the specifications and features of both brands to determine which pump is better suited for your specific needs.

Q: Do I need a 1/3 or 1/2 HP sump pump?

A: The horsepower (HP) of a sump pump is determined by the volume of water it can pump per minute. A 1/3 HP sump pump can typically handle up to 35 gallons of water per minute, while a 1/2 HP sump pump can handle up to 60 gallons per minute. The size you need will depend on factors such as the size of your basement, the amount of water infiltration, and how frequently the pump runs. It is best to consult with a plumber or sump pump professional to determine the appropriate size for your needs.

One more thing when it comes to sump pumps - go for the best. And we've got you covered with our 2023 guide of the best sump pumps in town! From the rugged cast iron pump base to its stainless steel motor housing, these pumps are designed to combat the toughest of conditions. Not only that, these bad boys are built to last, featuring a vertical float switch tested to 1 million cycles, so you can rest easy knowing your sump pump won't let you down when you need it the most. Plus, they're assembled right here in the US with foreign and domestic parts, so you can trust their quality. Don't forget to check out our detailed list of the top 8 sump pumps of 2023 for even more information. Find it all at Best Sump Pumps (2023 Guide) and The 8 Best Sump Pumps of 2023.

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