10 Best discharge sump pumps of 2025

Save up to 46% off

Best Choice

1

Acquaer

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
9.8

Exceptional

Our Rating
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Value for Money

2

wassermann
WASSERMANN 1/2 HP Sewage Pump with Auto Float Switch, 115V 5300 GPH Cast Iron Submersible Sewage Pump, Sump Pump for Basement Sump Basin Sewage Well 2" NPT Discharge with 10 FT Cable
Main highlights

High Efficiency and Reliability
The WASSERMANN 1/2 HP Sewage Pump features a high-efficiency oil-filled motor for superior performance and reliability.

Perfect for Basement Drainage
Ideal for basement drainage, sump basins, and sewage wells, handling up to 5300 GPH.

Praised Automatic Float Switch
Customers love the automatic float switch for easy water level management.
Key specs
- Flow Rate:88.3 Gallons Per Minute
- Max Height:23 Feet
- Voltage:115 Volts
- Material:Cast Iron
- Power:1/2 HP
9.7

Exceptional

Our Rating
3

G green EXPERT
Green Expert 1/3HP Submersible Sump Pump with Unique Flow Sensor Switch Last-inch Water Drainage for Flooded Basement Backyard Pool Hot Tub Rain Barrel Easy to Use Backup Drain Pump 25-Foot Power Cord

33% Off
Main highlights

Key Features
Efficient oil-free PSC motor, moves up to 2000 GPH, automatic/manual operation, lightweight with thermal overload protection for reliability.

Ideal Use Cases
Perfect for draining flooded areas, basements, pools, and removing water down to 1/25 inch in low lying areas with easy installation.

Customer Praise
Most reviews highlight its powerful performance, ease of use, and effectiveness in water removal, appreciating its automatic sensor and manual operation flexibility.
9.6

Exceptional

Our Rating

9.9
Easy installation

9.3
Simple to use

9.1
Vacuum strength
4

AQUASTRONG
Aquastrong Sump Pump 1 HP 4500 GPH Submersible Water Pump Thermoplastic Portable Utility Pump High Flow Water Removal for Swimming Pool Garden Pond Basement Window Wells with 10ft Long Power Cord

13% Off
Main highlights

Powerful Water Removal
Aquastrong sump pump with 1HP motor drains up to 4500GPH.

Ideal for Pools and Basements
Perfect for swimming pools, garden ponds, and basement flooding.

Praised for Efficiency
Customers love its high flow rate and rapid water removal.
Key specs
- material:Thermoplastic
- horsepower:1HP
- maximum height:30ft
- power source:AC
- style:1 HP Sump Pump
9.3

Excellent

Our Rating

9.5
Noise level

8.7
Vacuum strength

8.2
worth the money
5

PumpSpy
PumpSpy Sump Pump Discharge Freeze Protection, Freeze Guard for Sump Pump and Discharge Line, Sump Pump Tool for Flood-free Basement, Anti-freeze Drainage Utility for Home & Outdoor Sump Pumps

15% Off
Main highlights

Key Features
Prevents basement flooding with easy installation, durable PVC construction, and effective freeze protection for sump pump discharge lines.

Ideal Use Cases
Best for homes in cold climates, prone to discharge line clogging from ice, dirt, or debris, ensuring continuous water flow.

Customer Reviews
Highly praised for its reliability in preventing water backup and ease of installation, significantly reducing flooding risks.
Key specs
- Size:4.25 x 4.25 x 5.75 inches
- Material:PVC
- Power Source:N/A
- Horsepower:N/A
- Voltage:N/A
9.2

Excellent

Our Rating

8.7
lasts a long time

8.2
Easy installation

8.0
Durability
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6

Wayne
WAYNE CDU790 - 1/3 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch - Up to 4,600 Gallons Per Hour - Heavy Duty Basement Sump Pump, Black
Main highlights

High Performance Pumping
The WAYNE CDU790 can pump up to 4,600 gallons per hour, ensuring efficient water removal during heavy flow.

Ideal for Basement Use
Perfect for keeping basements dry during rain or snowmelt, thanks to its robust design and high flow rate.

Quiet and Reliable Operation
Praised for its quiet performance and reliability, even under frequent use, making it a favorite among users.
9.1

Excellent

Our Rating

9.7
Easy installation

9.5
Noise level

9.3
worth the money
7

Superior Pump
Superior Pump 99621 Lay-Flat Discharge Hose Kit, 1-1/2-Inch by 25-foot, with 1-1/4 and 1-1/2 adapters

10% Off
Main highlights

25_Foot_Discharge_Kit_Features
25-foot reinforced PVC hose, includes hose clamp, coupling, barb adapter; compact storage, easy installation.

Ideal_Use_Cases
Best for flat surface drainage, sump pumps, hot tubs, and grey water sinks.

Most_Praised_Feature
Durability and ease of attachment; handles high volume capacity effectively.
8.8

Very Good

Our Rating

8.4
Simple to use

8.2
worth the money

8.2
lasts a long time
8

LANCHEZ

LANCHEZ 1/2 HP Submersible Sump Pump Cast Iron and Stainless Steel with Integrated Vertical Float Switch, 5200 GPH Sewage/Effluent Pump for Basement, Basin, Sewage System, 1-1/2" NPT Discharge
8.7

Very Good

Our Rating
9

Superior Pump
Superior Pump 91250 1800GPH Thermoplastic Submersible Utility Pump with 10-Foot Cord, 1/4 HP

16% Off
Main highlights

Powerful Water Movement
1/4 HP pump moves up to 1,800 gallons per hour, ideal for various applications.

Versatile Utility Applications
Perfect for fountains, hot tubs, and pools with easy setup and high efficiency.

Quiet Performance
Low noise operation frequently praised by customers for minimal disruption.
8.4

Good

Our Rating

9.7
Easy installation

9.1
Vacuum strength

9.1
Noise level
10

Red Lion
Red Lion RL-SPDK Sump Pump Discharge Hose Kit, Fits 1-1/4" and 1-1/2" FNPT Discharge, 24-Feet Long, Black, 599304

46% Off
Main highlights

Versatile Compatibility
Works with all sump pumps with 1-1/4 or 1-1/2 inch FNPT discharge.

Ideal for Water Discharge
Perfect for discharging water from basements to a safe location outside.

Highly Praised Durability
Customers appreciate the durable 24-foot corrugated polyethylene hose.
Key specs
- Size:N/A
- Material:N/A
- size:24-Feet
- material:Acrylonitrile Butadiene Styrene ABS
- power source:Corded Electric
8.3

Good

Our Rating

10 Best discharge sump pumps of 2025

1

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

How do we rank?

How do we rank?

Analyzing top stores

2

WASSERMANN 1/2 HP Sewage Pump with Auto Float Switch, 115V 5300 GPH Cast Iron Submersible Sewage Pump, Sump Pump for Basement Sump Basin Sewage Well 2" NPT Discharge with 10 FT Cable

3

Green Expert 1/3HP Submersible Sump Pump with Unique Flow Sensor Switch Last-inch Water Drainage for Flooded Basement Backyard Pool Hot Tub Rain Barrel Easy to Use Backup Drain Pump 25-Foot Power Cord

9.9

9.3

9.1

4

Aquastrong Sump Pump 1 HP 4500 GPH Submersible Water Pump Thermoplastic Portable Utility Pump High Flow Water Removal for Swimming Pool Garden Pond Basement Window Wells with 10ft Long Power Cord

9.5

8.7

8.2

5

PumpSpy Sump Pump Discharge Freeze Protection, Freeze Guard for Sump Pump and Discharge Line, Sump Pump Tool for Flood-free Basement, Anti-freeze Drainage Utility for Home & Outdoor Sump Pumps

8.7

8.2

8.0

6

WAYNE CDU790 - 1/3 HP Submersible Cast Iron and Stainless Steel Sump Pump with Integrated Vertical Float Switch - Up to 4,600 Gallons Per Hour - Heavy Duty Basement Sump Pump, Black

9.7

9.5

9.3

7

Superior Pump 99621 Lay-Flat Discharge Hose Kit, 1-1/2-Inch by 25-foot, with 1-1/4 and 1-1/2 adapters

8.4

8.2

8.2

8

LANCHEZ 1/2 HP Submersible Sump Pump Cast Iron and Stainless Steel with Integrated Vertical Float Switch, 5200 GPH Sewage/Effluent Pump for Basement, Basin, Sewage System, 1-1/2" NPT Discharge

9

Superior Pump 91250 1800GPH Thermoplastic Submersible Utility Pump with 10-Foot Cord, 1/4 HP

9.7

9.1

9.1

10

Red Lion RL-SPDK Sump Pump Discharge Hose Kit, Fits 1-1/4" and 1-1/2" FNPT Discharge, 24-Feet Long, Black, 599304

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