6 Best 3/4 HP Sump Pump Comparisons and Buyers Guide 2024

I suspect that you need to replace your current ¾ HP sump pump or to upgrade from your current ½ HP sump pump. In either case you want to select from the best ¾ sump pumps in the Comparison Table shown in this article further below.

The best selling, best value, and quietest sump pump is the Wayne CDU980E – 3/4 HP stainless steel and cast-iron submersible sump pump.  

Why Do Customers Buy the Wayne CDU980E 3/4 HP Sump Pump?

  • Provides sufficient pumping capacity to effectively manage moderate to heavy water inflow in residential basements or crawl spaces.
  • Its corrosion-resistant stainless steel and cast-iron construction ensures longevity, making it a reliable investment for homeowners looking for a long-term water management solution.
  • The top suction design reduces the risk of clogging.
  • The Wayne CDU980E is engineered for quiet operation by using ball bearings instead of the noisier sleeve bearings.
  • Equipped with a vertical float switch, it fits easily into most sump pits and requires minimal setup time.

The 6 Best 3/4 HP Sump Pump Comparisons

Wayne 58321-WYN3 CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch, Large, Silver
WAYNE - 3/4 HP Basement Guardian HALO - Up to 5,490 Gallons Per Hour - Digitally Connected Sump Pump
Superior Pump 92751 3/4 HP Stainless Steel and Cast Iron Sump Pump, Stainless
DEKOPRO 3/4HP 4600GPH Sump Pump, Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch
THE BASEMENT WATCHDOG Model BWT075 3/4 HP 5,300 GPH at 0 ft. and 3,630 GPH at 10 ft. Cast Iron/Cast Aluminum Submersible Sump Pump with Caged Dual Micro Reed Float Switch
Acquaer 3/4HP Submersible Sewage/Effluent Pump, Cast Iron, 115V 6400 GPH Automatic Tethered Float Switch, Sump Pump for Sump Basin, Basement, Residential Sewage, 2'' NPT Discharge
Wayne 58321-WYN3 CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch, Large, Silver
WAYNE - 3/4 HP Basement Guardian HALO - Up to 5,490 Gallons Per Hour - Digitally Connected Sump Pump
Superior Pump 92751 3/4 HP Stainless Steel and Cast Iron Sump Pump, Stainless
DEKOPRO 3/4HP 4600GPH Sump Pump, Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch
THE BASEMENT WATCHDOG Model BWT075 3/4 HP 5,300 GPH at 0 ft. and 3,630 GPH at 10 ft. Cast Iron/Cast Aluminum Submersible Sump Pump with Caged Dual Micro Reed Float Switch
Acquaer 3/4HP Submersible Sewage/Effluent Pump, Cast Iron, 115V 6400 GPH Automatic Tethered Float Switch, Sump Pump for Sump Basin, Basement, Residential Sewage, 2'' NPT Discharge
Price not available
$449.79
$188.00
$169.99
$179.00
$153.79
Digitally Connected Smart Pump?
NO
Yes
No
No
No
No
Horsepower
3/4
3/4
3/4
3/4
3/4
3/4
Maximum Gallons Per Hour
5,490
5,490
4,800
4,600
5,300
6.400
Gallons Per Hour at 5 Feet
5,076
5,076
4,500
4,230 estimated
N/A
6.400
Gallons Per Hour at 10 Feet
4,600
4,600
4,140
3,859 estimated
3,630
5,400
Gallons Per Hour at 15 Feet
4,100
4,100
3,660
3,387 estimated
N/A
4,600
Gallons Per Hour at 20 Feet
3,500
3,500
3,300
2,682 estimated
N/A
3,700
Removes Water Down To
On at 9 inchs Off at 4 inches
On at 9 inchs Off at 4 inches
On at 9 inches Off at 2 inches
On at 9.45 inches Off at 2.4 inches
N/A
On at 21 inches Off at 8 inches
Running Amps
10
10
7.5
5.1
4.8
10
Float Switch Type
Vertical
Vertical
Vertical
Vertical
Caged Dual Micro Reed Float Switch
Tethered
Power Cord Length
8 feet
8 feet
10 feet
10 feet
10 feet
10 feet
Warranty
5 years
5 years
3 years
2 years
5 years
2 years
Wayne 58321-WYN3 CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch, Large, Silver
Wayne 58321-WYN3 CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch, Large, Silver
Price not available
Digitally Connected Smart Pump?
NO
Horsepower
3/4
Maximum Gallons Per Hour
5,490
Gallons Per Hour at 5 Feet
5,076
Gallons Per Hour at 10 Feet
4,600
Gallons Per Hour at 15 Feet
4,100
Gallons Per Hour at 20 Feet
3,500
Removes Water Down To
On at 9 inchs Off at 4 inches
Running Amps
10
Float Switch Type
Vertical
Power Cord Length
8 feet
Warranty
5 years
WAYNE - 3/4 HP Basement Guardian HALO - Up to 5,490 Gallons Per Hour - Digitally Connected Sump Pump
WAYNE - 3/4 HP Basement Guardian HALO - Up to 5,490 Gallons Per Hour - Digitally Connected Sump Pump
$449.79
Digitally Connected Smart Pump?
Yes
Horsepower
3/4
Maximum Gallons Per Hour
5,490
Gallons Per Hour at 5 Feet
5,076
Gallons Per Hour at 10 Feet
4,600
Gallons Per Hour at 15 Feet
4,100
Gallons Per Hour at 20 Feet
3,500
Removes Water Down To
On at 9 inchs Off at 4 inches
Running Amps
10
Float Switch Type
Vertical
Power Cord Length
8 feet
Warranty
5 years
Superior Pump 92751 3/4 HP Stainless Steel and Cast Iron Sump Pump, Stainless
Superior Pump 92751 3/4 HP Stainless Steel and Cast Iron Sump Pump, Stainless
$188.00
Digitally Connected Smart Pump?
No
Horsepower
3/4
Maximum Gallons Per Hour
4,800
Gallons Per Hour at 5 Feet
4,500
Gallons Per Hour at 10 Feet
4,140
Gallons Per Hour at 15 Feet
3,660
Gallons Per Hour at 20 Feet
3,300
Removes Water Down To
On at 9 inches Off at 2 inches
Running Amps
7.5
Float Switch Type
Vertical
Power Cord Length
10 feet
Warranty
3 years
DEKOPRO 3/4HP 4600GPH Sump Pump, Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch
DEKOPRO 3/4HP 4600GPH Sump Pump, Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch
$169.99
Digitally Connected Smart Pump?
No
Horsepower
3/4
Maximum Gallons Per Hour
4,600
Gallons Per Hour at 5 Feet
4,230 estimated
Gallons Per Hour at 10 Feet
3,859 estimated
Gallons Per Hour at 15 Feet
3,387 estimated
Gallons Per Hour at 20 Feet
2,682 estimated
Removes Water Down To
On at 9.45 inches Off at 2.4 inches
Running Amps
5.1
Float Switch Type
Vertical
Power Cord Length
10 feet
Warranty
2 years
THE BASEMENT WATCHDOG Model BWT075 3/4 HP 5,300 GPH at 0 ft. and 3,630 GPH at 10 ft. Cast Iron/Cast Aluminum Submersible Sump Pump with Caged Dual Micro Reed Float Switch
THE BASEMENT WATCHDOG Model BWT075 3/4 HP 5,300 GPH at 0 ft. and 3,630 GPH at 10 ft. Cast Iron/Cast Aluminum Submersible Sump Pump with Caged Dual Micro Reed Float Switch
$179.00
Digitally Connected Smart Pump?
No
Horsepower
3/4
Maximum Gallons Per Hour
5,300
Gallons Per Hour at 5 Feet
N/A
Gallons Per Hour at 10 Feet
3,630
Gallons Per Hour at 15 Feet
N/A
Gallons Per Hour at 20 Feet
N/A
Removes Water Down To
N/A
Running Amps
4.8
Float Switch Type
Caged Dual Micro Reed Float Switch
Power Cord Length
10 feet
Warranty
5 years
Acquaer 3/4HP Submersible Sewage/Effluent Pump, Cast Iron, 115V 6400 GPH Automatic Tethered Float Switch, Sump Pump for Sump Basin, Basement, Residential Sewage, 2'' NPT Discharge
Acquaer 3/4HP Submersible Sewage/Effluent Pump, Cast Iron, 115V 6400 GPH Automatic Tethered Float Switch, Sump Pump for Sump Basin, Basement, Residential Sewage, 2'' NPT Discharge
$153.79
Digitally Connected Smart Pump?
No
Horsepower
3/4
Maximum Gallons Per Hour
6.400
Gallons Per Hour at 5 Feet
6.400
Gallons Per Hour at 10 Feet
5,400
Gallons Per Hour at 15 Feet
4,600
Gallons Per Hour at 20 Feet
3,700
Removes Water Down To
On at 21 inches Off at 8 inches
Running Amps
10
Float Switch Type
Tethered
Power Cord Length
10 feet
Warranty
2 years

Your Comprehensive Guide to Choosing the Perfect 3/4 HP Sump Pump for Your Home or Business

Introduction:

Sudden floods and water damage can wreak havoc on your home, causing structural issues, mold growth, and expensive repairs. That’s where sump pumps come in, serving as your first line of defense against water intrusion.

In this guide, we’ll delve into the world of sump pumps, with a focus on the versatile and efficient 3/4 HP models.

Whether you’re facing a high-water table, frequent rainfall, or simply want to safeguard your basement, investing in the right sump pump is crucial for protecting your home or business and your peace of mind.

Understanding Sump Pumps

Before diving into the specifics of 3/4 HP sump pumps, let’s first understand what they are and how they work.

Sump pumps are devices installed in basements or crawl spaces to pump out excess water that accumulates in a sump pit. They’re activated by a float switch, which triggers the pump to start removing water when the pit reaches a certain level. This prevents water from seeping into your home and causing damage to your foundation, walls, and belongings.

Benefits of 3/4 HP Sump Pumps

You might wonder why you should opt for a 3/4 HP sump pump over other options. The answer lies in its perfect balance between power and efficiency.

While 1 HP pumps may offer more pumping capacity, they come with higher energy consumption and costs. On the other hand, 1/2 HP pumps might struggle with heavy water inflows.

The 3/4 HP sump pump strikes a sweet spot, providing ample pumping capacity while keeping energy usage and costs in check.

Factors to Consider When Purchasing

Choosing the right sump pump for your home involves considering several factors:

  1. Property Size and Layout: Determine the size of your basement and the potential water inflow rate to select a pump with adequate pumping capacity.
  2. Energy Efficiency: Look for lower amperage and wattage use models to minimize electricity costs and environmental impact.
  3. Backup Systems: Consider investing in a battery backup system to ensure your pump keeps running during power outages.
  4. Noise Levels: If noise is a concern, opt for models with quieter operation to maintain a peaceful home environment.
  5. Brand Reputation and Warranty: Research reputable brands known for quality and reliability, and choose pumps with generous warranty coverage for added peace of mind. In the comparison chart you will brands that I trust to provide quality and good value.

Choosing the Right Model

With a plethora of options available in the market, narrowing down your choices can be daunting. I have already done that for you in the comparison chart. Compare specifications such as pumping capacity, motor durability, and build quality to find the perfect 3/4 HP sump pump that meets your needs and budget.

6 Best 3/4 HP Sump Pump Choices
6 Best 3/4 HP Sump Pump Choices

Installation and Maintenance

Once you’ve selected your sump pump, proper installation and maintenance are key to ensuring its longevity and effectiveness.

Follow manufacturer guidelines for installation, or consider hiring a professional for expert assistance.

Regular maintenance, including cleaning the sump pit and testing the pump and float switch, will keep your pump in optimal condition and ready to tackle any water emergency.

Typical Uses for A 3/4 HP Sump Pump

Basement Waterproofing

Sump pumps are commonly installed in basements to remove water that accumulates due to rain, melting snow, or groundwater seepage. A 3/4 HP sump pump is suitable for basements that experience moderate to heavy water intrusion.

Flood Prevention

These pumps are used to prevent flooding in areas where water tables are high or where heavy rainfall could cause water buildup. They help to keep basements and crawl spaces dry, protecting property from water damage.

  • Primary Defense Against Flooding: Sump pumps serve as a primary defense mechanism against flooding, particularly in areas where natural drainage is inadequate or where properties are at risk of inundation during heavy rains or storms.
  • Basement and Crawl Space Protection: Homes with basements or crawl spaces are especially vulnerable to flooding during heavy rainfall or when groundwater levels rise. Installing a 3/4 HP sump pump in these areas helps to mitigate the risk of water intrusion and subsequent damage to the structure and belongings.
  • Continuous Water Removal: The sump pump continuously removes water that accumulates in the sump pit, effectively lowering the water table around the foundation of the building and preventing water from seeping into basement walls or floors.
  • Preventing Structural Damage: Floodwaters can cause significant structural damage to buildings, leading to weakened foundations, mold growth, and deterioration of building materials. By promptly removing excess water, sump pumps help to preserve the structural integrity of the building and reduce the risk of costly repairs.
  • Protection Against Waterborne Contaminants: Floodwaters can carry contaminants such as sewage, chemicals, and debris, posing health risks to occupants and causing further damage to property. Sump pumps aid in swiftly evacuating contaminated water from basements and crawl spaces, minimizing exposure and preventing contamination of indoor spaces.
  • Emergency Preparedness: In areas prone to flooding, having a reliable sump pump system in place is an essential component of emergency preparedness. Regular maintenance, including testing the pump and ensuring backup power sources, helps to ensure that the system functions effectively when needed most.
  • Compliance with Building Codes: In many jurisdictions, building codes require the installation of sump pumps or other flood prevention measures in properties located in flood-prone areas. Compliance with these regulations not only protects property owners but also helps to safeguard surrounding communities from the adverse effects of flooding.

Drainage

Sump pumps can also be used to drain water from areas such as swimming pools, ponds, or construction sites. A 3/4 HP sump pump provides sufficient power to move water efficiently over moderate to longer distances.

  • Swimming Pools: Sump pumps are commonly employed for draining swimming pools, particularly during routine maintenance, repairs, or when closing the pool for the season. The pump efficiently removes large volumes of water from the pool, expediting the draining process.
  • Ponds and Water Features: In landscaping and agricultural settings, sump pumps are utilized to drain ponds, water features, or irrigation reservoirs. This can be necessary for maintenance, cleaning, or adjusting water levels as needed for plant growth or aquatic life.
  • Construction Sites: Sump pumps play a vital role in managing water accumulation at construction sites, particularly during excavation or foundation work. They help to prevent waterlogging of the site, which can hinder construction progress and compromise the stability of structures.
  • Trenches and Ditches: In civil engineering and land development projects, sump pumps are often used to drain trenches, ditches, or underground utility installations. They facilitate efficient water removal, allowing for safe working conditions and preventing water damage to infrastructure.
  • Stormwater Management: Sump pumps may be employed as part of stormwater management systems to remove excess rainwater from low-lying areas or drainage basins. They help to mitigate the risk of localized flooding and prevent water buildup in areas susceptible to waterlogging.
  • Industrial Applications: Sump pumps are utilized in various industrial settings for drainage purposes, such as wastewater treatment plants, manufacturing facilities, and mining operations. They assist in removing process water, wastewater, or runoff from industrial processes to maintain operational efficiency and regulatory compliance.
  • Emergency Water Removal: Sump pumps can also be deployed for emergency water removal in the event of flooding caused by heavy rainfall, plumbing leaks, or natural disasters. They provide a quick and effective solution for extracting water from affected areas to minimize property damage and facilitate recovery efforts.

Backup Systems

In addition to the ¾ HP primary sump pump, homeowners often install backup sump pumps or battery backup systems to ensure continuous operation even during power outages or pump failures. This is particularly important in areas prone to severe weather or where power outages are common.

Battery Backup Systems:

Battery backup systems are one of the most common types of backup solutions for sump pumps. These systems typically consist of a secondary pump, often smaller and less powerful than the primary pump, paired with a rechargeable battery housed in a separate battery box or casing.

  • Operation During Power Outages: When a power outage occurs, the primary sump pump may cease to function if it relies on electricity from the grid. In such situations, the battery backup system automatically activates, allowing the secondary pump to continue removing water from the sump pit using the stored energy from the battery.
  • Automatic Activation: Backup systems are equipped with sensors or float switches that detect water levels in the sump pit. When the water level rises above a certain threshold, indicating primary pump failure or high water intrusion, the backup system is triggered to start pumping water out of the pit.
  • Alarm Systems: Some backup systems include audible or visual alarms to alert homeowners of backup pump activation or low battery levels. These alarms provide an early warning of potential issues, allowing homeowners to take action to address them promptly.
  • Monitoring and Maintenance: Regular maintenance and monitoring of backup systems are crucial to ensure their reliability. This includes periodic testing of the backup pump, checking battery health, and replacing batteries as needed. It’s also essential to keep the backup system components clean and free of debris.
  • Types of Batteries: Backup systems commonly use deep-cycle marine batteries or maintenance-free sealed lead-acid batteries. The choice of battery type depends on factors such as capacity, lifespan, and maintenance requirements.
WAYNE - 1/2 HP Basement [Sump] [Pump] System with Integrated Vertical Float Switch and 12 Volt [Battery] Back Up Capability, [Battery] Not Included - Up to 5,100 Gallons Per Hour - Heavy Duty
1,748 Reviews
WAYNE – 1/2 HP Basement [Sump] [Pump] System with Integrated Vertical Float Switch and 12 Volt [Battery] Back Up Capability, [Battery] Not Included – Up to 5,100 Gallons Per Hour – Heavy Duty
  • Indoor Use Only: This 1/2 HP WAYNE indoor sump system is perfect to keep your basement or indoor area dry during heavy water flow, even if you lose electricity; whether it’s rain, snow melting or more, WAYNE model WSS30VN can keep your basement dry
  • Back-Up Ready: WSS30VN will pump up to 5,100 GPH and remove/evacuate/expel/get rid of up to 10,000 gallons on a single battery backup charge; WAYNE WSB1275 75 AH Battery is required for back-up but not included
  • Efficient Design: Comes preassembled and ready for drop-in for easy installation in 15 minutes or less with no need to drill a weep hole; fits in 16” diameter or larger sump basins
  • Additional Features: The system has been tested to 1 million cycles for long-lasting use; comes with 8-foot SJTW power cord
  • Quality You Deserve: Proudly assembled in the USA for quality you can trust; warrantied for 3 years for dependable, efficient, & ultra-quiet performance

Water-Powered Backup Systems:

In addition to battery backup systems, some homeowners opt for water-powered backup systems. These systems use municipal water pressure to generate suction and pump water out of the sump pit. While they don’t rely on batteries, water-powered backup systems require a steady supply of municipal water and may be less efficient than battery backups in certain situations.

Liberty Pumps SJ10 SumpJet Water Powered Back-Up Pump, Gray
  • Made In America
  • MECHANICAL COMPONENTS
  • Commercial Brand: Liberty
  • Package Dimensions: 18. 0″ L x 18. 0″ W x 21. 0″ H

Septic Systems

In some cases, sump pumps are utilized in conjunction with septic systems to pump effluent or wastewater to higher elevations where gravity drainage is not possible.

Industrial and Commercial Applications:

While sump pumps are commonly associated with residential use, they also serve various industrial and commercial applications where efficient water management is essential. Here are more details about how 3/4 HP sump pumps are utilized in industrial and commercial settings:

  • Building Drainage: In industrial and commercial buildings, particularly those with basements or below-grade areas, sump pumps are often installed to remove groundwater or rainwater that accumulates due to natural seepage or inadequate drainage systems. This helps prevent water damage to building foundations, floors, and equipment.
  • Manufacturing Facilities: Many manufacturing facilities, warehouses, and industrial plants have sump pits or catch basins to collect water from floor drains, equipment runoff, or process water. 3/4 HP sump pumps are used to efficiently pump out collected water and maintain dry working environments.
  • Retail Spaces: Commercial properties such as retail stores, shopping malls, and supermarkets may require sump pumps to manage water infiltration from heavy rainfall, plumbing leaks, or melting snow. Sump pumps help protect merchandise, equipment, and infrastructure from water damage.
  • Parking Garages: Sump pumps are commonly installed in underground parking garages to remove rainwater or groundwater that seeps in through cracks or drainage systems. This helps prevent flooding and ensures the safety and functionality of the parking facility.
  • Data Centers and Server Rooms: Sump pumps are critical in data centers and server rooms to protect sensitive electronic equipment from water damage. These facilities often have sump pits or drainage systems installed as part of their infrastructure to manage water intrusion, with sump pumps providing continuous water removal.
  • Food and Beverage Processing: In industries such as food processing, breweries, and wineries, maintaining a dry environment is crucial for product quality and safety. Sump pumps are used to manage wastewater, spills, and drainage in production areas to prevent contamination and ensure compliance with hygiene standards.
  • Hospitals and Healthcare Facilities: Sump pumps play a role in healthcare facilities to manage water accumulation in basements, utility rooms, and below-grade areas. They help prevent water damage to medical equipment, infrastructure, and sensitive areas like operating rooms and patient care areas.
  • Chemical Plants and Laboratories: In environments where hazardous materials are handled, sump pumps may be used to manage spills, leaks, or runoff to prevent environmental contamination and ensure workplace safety.

In industrial and commercial applications, 3/4 HP sump pumps are selected based on factors such as the volume of water to be pumped, the distance of water discharge, and the specific requirements of the application. Proper installation, maintenance, and monitoring are essential to ensure reliable performance and prevent downtime or water-related issues in these settings.

Conclusion:

Investing in a 3/4 HP sump pump is a smart decision for homeowners and businesses looking to protect their property from water damage and flooding. By understanding the benefits of 3/4 HP pumps, considering important factors during the purchasing process, and choosing the right model, you can rest easy knowing your sump pump is up to the task of keeping your basement dry and your home safe.

So, don’t wait until disaster strikes – take proactive steps today to safeguard your home with a reliable 3/4 HP sump pump.

If you skipped directly to the Conclusion to learn what the overall best 3/4 sump pump is, see below:

Wayne 58321-WYN3 CDU980E 3/4 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch, Large, Silver
  • INDOOR USE ONLY – This 3/4 HP WAYNE basement sump pump is perfect to keep your basement dry during heavy water flow. Whether it’s rain, snow melting, etc. WAYNE model CDU980E can pump up to 5,490 GPH to keep your basement dry.
  • TOUGH AND DURABLE – Corrosion-resistant stainless steel motor housing and fasteners come with a cast-iron volute that provides long life in tough sump pump applications.
  • EFFICIENT DESIGN – The top suction design eliminates air lock and minimizes clogging from any debris in the bottom of the sump pit. Easy to install in about 15 minutes with no need to drill a weep hole!
  • ADDITIONAL FEATURES – 1-1/2” NPT discharge for compliance with building codes. The vertical float switch has been tested to 1 million cycles for long-lasting use.
  • QUALITY YOU DESERVE – Proudly assembled in the USA for quality you can trust. Warrantied for 5 years for dependable, efficient, & ultra-quiet performance.
Richard Quick author at Best Sump Pumps
Richard Quick
Author at Best Sump Pumps

The first time I helped to install a drain tile and basement sump pump system was 1978.

Since then I have worked for a city water utility where I worked with and maintained pumps.

My rental properties and personal homes all needed sump pumps.

As a modular home dealer/builder, those new homes needed sump pumps.

I put that experience to good use by providing reliable, useful, and practical advice on buying, using, and maintaining sump pumps.

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