Choosing the best electric water pump to drain a pool depends on how much water you need to move, how quickly you want to move it, and whether the pump is meant for a pool cover or a larger body of water. The compact AgiiMan pumps are designed for lighter-duty pool drainage, while the higher-flow AQUASTRONG and SEESII models are better suited to larger jobs. Compare flow rate, hose setup, and lift height before choosing—and never drain an in-ground pool completely without checking the pool maker’s guidance.
Table of Contents
Quick Comparison
| Product | Listed flow rate | Notable features | Best suited for |
|---|---|---|---|
| AgiiMan 850GPH Pool Cover Pump (Blue) | 850 GPH | 16-foot drain hose, 25-foot power cord, three adapters | Pool covers and smaller drainage jobs |
| AQUASTRONG 1 HP Sump Pump | 4,500 GPH at 5 feet | 30-foot maximum lift, bottom suction, adapters included | Fast water removal from pools and other areas |
| AgiiMan 850GPH Pool Cover Pump (Green) | 850 GPH | 16-foot drain hose, 25-foot power cord, compact design | Pool covers and above-ground pools |
| AgiiMan 850GPH Pool Cover Pump (Orange) | 850 GPH | 16-foot anti-twist hose, 25-foot power cord, three adapters | Pool covers and routine water removal |
| SEESII 1HP Submersible Water Pump | 4,755 GPH | 23-foot hose, 25-foot power cord, 36-foot listed lift | High-volume pool, hot tub, or pond drainage |
Our Picks: Best Electric Water Pump To Drain Pool reviews
AgiiMan 850GPH Pool Cover Pump: A Compact Pick for Lighter Drainage
This small, corded submersible pump is built for removing standing water from pool covers and handling other modest drainage tasks. Its listed flow rate is 850 gallons per hour, and the included 16-foot hose and three adapters offer more setup flexibility than a pump that requires you to source a discharge connection separately.
The ABS housing has mesh screens on its sides to let water enter, and the unit is rated IPX8. A 25-foot power cord gives you room to position the pump away from the outlet. The built-in thermal protection is intended to help guard against dry running, but it is still wise to keep an eye on the pump and switch it off when the water is gone.
This is the lightest-duty option in the comparison. It makes sense for pool-cover water and smaller jobs where portability and a supplied hose matter more than maximum flow. The product listing gives different maximum-lift figures in its specifications, so check the current listing and instructions if your setup requires pumping water uphill.
Pros:
- Compact, lightweight design for easier positioning
- Includes a 16-foot hose and three adapters
- Long 25-foot power cord
- Mesh intake and built-in thermal protection
Cons:
- Much lower listed flow than the 1 HP pumps
- Maximum-lift information differs across the supplied product details
Verdict: Choose this AgiiMan if you need a small pump for pool-cover water or occasional, lighter drainage—not the fastest option for emptying a large pool.
AQUASTRONG 1 HP Sump Pump: High Flow with Bottom Suction
The AQUASTRONG is a higher-output utility pump for larger water-removal jobs. Its 1 HP motor is listed at up to 4,500 gallons per hour at a 5-foot lift, and the product information gives a maximum lift of 30 feet. Actual flow can vary with the lift and discharge setup, so treat the headline rate as a reference rather than a promise for every installation.
Its bottom-suction design is intended to remove water down to about 1/5 inch from a surface, and the pump can handle solids up to 1/5 inch. That makes it a versatile choice for pool or hot-tub water as well as some basement and window-well drainage. The thermoplastic casing, mechanical seal, and thermal overload protection are designed for utility use.
The pump includes a 10-foot power cord, a 1-1/4-inch NPT discharge, and adapters for several hose sizes. Compared with the AgiiMan models, it offers much greater listed flow, but it is heavier and does not come with the same long pool-drain hose setup. Check that your discharge hose fits the included connection before you start.
Pros:
- High listed flow rate for moving larger volumes of water
- Bottom suction is designed to leave a shallow layer of water
- Handles solids up to 1/5 inch
- Includes several discharge adapters and thermal overload protection
Cons:
- Heavier and larger than the compact pool-cover pumps
- Shorter power cord than the AgiiMan and SEESII options
Verdict: The AQUASTRONG is a strong fit when you want higher flow and useful bottom-suction performance, provided its discharge connection and 10-foot cord work for your layout.
AgiiMan 850GPH Pool Cover Pump: Green Compact Model
This green version of the AgiiMan is another compact, 850 GPH pump intended for pool covers and above-ground pool drainage. Its listed specifications include a 75-watt motor, an ABS housing, a 16-foot drain hose, and a 25-foot power cord. The compact format is easier to place than a full-size 1 HP utility pump.
The pump’s broad mesh-screened sides allow water to reach the intake, while the supplied adapters let you connect different hose sizes. Its modest flow rate is the main trade-off: it is better matched to standing water and smaller drainage jobs than to moving a large pool volume quickly. The product details list a 16-foot maximum lift, but lift and hose conditions can affect actual output.
Compared with the blue and orange AgiiMan listings here, the core listed pump specifications are very similar. The color and some listing details differ, so check the product page to confirm the hose, adapters, and other included parts for the version you select.
Pros:
- Compact and light for simple placement and storage
- Includes a 16-foot hose and multiple adapters
- 25-foot cord helps with positioning
- Designed for pool covers and above-ground pool use
Cons:
- Lower flow than the AQUASTRONG and SEESII pumps
- Not the best choice when fast, high-volume drainage is the priority
Verdict: Pick this model if you want a small pool-cover pump and the green version suits your needs; for larger volumes, step up to a high-flow utility pump.
AgiiMan 850GPH Pool Cover Pump: Orange Model with Anti-Twist Hose
The orange AgiiMan is another 850 GPH submersible pump for pool covers and routine water removal. It shares the compact ABS construction, 75-watt motor, 16-foot hose, three adapters, and 25-foot power cord found on the other AgiiMan listings. Its product details also identify the hose as anti-twist, a useful design point when you need to route it across a cover or around nearby equipment.
This model is designed for relatively clean water and smaller jobs rather than rapid draining of a large pool. The listed maximum lift is 10.5 feet, so it may be a better match for lower discharge routes than a setup that needs a substantial uphill lift. Keep the pump’s intake clear and follow the instructions for placing it on the pool cover or other surface.
In practical terms, this choice is close to the blue and green versions; its main distinction in the supplied details is the orange color and the stated anti-twist hose. Compare the listing contents before buying if a specific hose configuration or lift requirement matters to you.
Pros:
- Compact pump with a 16-foot anti-twist hose
- Includes three adapters for connection flexibility
- Long 25-foot power cord
- Thermal dry-run protection is built in
Cons:
- 850 GPH is modest compared with the high-flow models
- Listed maximum lift is lower than the other AgiiMan listing that specifies 16 feet
Verdict: Choose the orange AgiiMan for pool-cover drainage when you value its supplied hose and compact design; consider a 1 HP pump for larger or faster jobs.
SEESII 1HP Submersible Pump: High Capacity with a Hose Kit
The SEESII is a 1 HP submersible utility pump listed at up to 4,755 gallons per hour. It is designed for pool, hot-tub, pond, and other water-removal jobs. Its supplied 23-foot hose and 25-foot power cord make it a ready-to-connect option for a range of outdoor layouts, and the product information lists a maximum lift of 36 feet.
A built-in filter is intended to help block small debris and reduce clogging. The manufacturer describes the pump as suitable for clean and lightly dirty water, so it is not the right tool for heavily contaminated water or large debris. Its polypropylene construction keeps the pump’s design focused on utility use, and the listing includes a three-year warranty and lifetime support.
Against the AQUASTRONG, the SEESII has a slightly higher listed flow rate and a longer listed lift, plus a longer included hose and cord. The AQUASTRONG, in contrast, specifies bottom suction down to about 1/5 inch and handling solids up to that size. Choose based on the job: high-volume movement and included hose favor the SEESII, while shallow-water removal and the stated solids capacity favor the AQUASTRONG.
Pros:
- Highest listed flow rate among these five options
- Includes a 23-foot hose and 25-foot power cord
- Listed maximum lift of 36 feet
- Filter helps limit small debris entering the pump
Cons:
- Designed for clean and lightly dirty water, not heavy debris
- Larger and heavier than the compact AgiiMan models
Verdict: The SEESII is a compelling choice for high-volume drainage when you want a hose included and need more listed lift than the compact pool-cover pumps provide.
How to Choose an Electric Water Pump to Drain a Pool
Match the pump to the amount of water
Start by deciding whether you are removing rainwater from a pool cover, lowering water in an above-ground pool, or moving a much larger volume. The AgiiMan models are listed at 850 GPH and are aimed at lighter drainage. The AQUASTRONG and SEESII are 1 HP pumps with much higher listed flow rates, making them better candidates when moving water quickly is important. A pump’s actual flow depends on the discharge setup and how high or far the water must travel.
Check lift height and the discharge route
Lift height is the vertical distance a pump can move water, not the length of hose it can run horizontally. If the outlet is uphill from the pool, compare the pump’s listed maximum lift with the height your setup requires. Flow can decrease as lift increases. Product details for some AgiiMan listings show differing maximum-lift figures, so verify the exact model information before buying.
Look at hose and adapter compatibility
A pump is only useful if you can direct the water where it needs to go. Check the hose length, hose diameter, and included fittings against your drainage plan. The AgiiMan options come with a 16-foot hose and adapters, while the SEESII includes a 23-foot hose. The AQUASTRONG includes discharge adapters, but its listed power cord is shorter than those on the other options.
Consider what is in the water
Small debris can clog a pump or block its intake. The SEESII includes a filter intended to catch small debris and is described for clean or lightly dirty water. The AQUASTRONG is listed as able to handle solids up to 1/5 inch. For pool water with leaves or larger debris, clear the area around the intake and follow the pump’s instructions rather than assuming a filter can handle everything.
Choose a pump that can manage shallow water
If you want to remove water close to the surface, pay attention to the pump’s intake design and stated residual-water performance. The AQUASTRONG product information says its bottom-suction design can remove water down to about 1/5 inch from the surface. Other models may be better suited to general water movement than to leaving a particularly shallow finish. Check the product instructions for the required placement and minimum water level.
Plan for safe electrical use
These are corded electric pumps, so keep plugs and electrical connections away from water and use the equipment only as directed. A longer cord can help with positioning, but do not rely on an extension cord unless the pump’s instructions allow it and the setup is appropriate for wet conditions. Thermal protection is a helpful safeguard, not a reason to leave a pump unattended or let it run dry.
Know whether you should drain the pool completely
Removing water from a pool cover or lowering the water level is different from emptying a pool. Draining an in-ground pool completely can create serious structural risks depending on the pool and site conditions. Check the pool manufacturer’s instructions or consult a pool professional before lowering the water substantially. Also confirm local rules for where discharged water may go.
Frequently Asked Questions
What is the best type of pump for draining a pool?
For a pool cover or a smaller drainage job, a compact pump such as an AgiiMan 850 GPH model may be enough. For higher-volume water removal, consider a 1 HP utility pump such as the AQUASTRONG or SEESII. The right option depends on the volume, lift, hose route, and debris in the water.
Can I use a pool-cover pump to drain an entire pool?
A pool-cover pump can move water, but its listed 850 GPH flow is far lower than the two 1 HP options here. It may take a long time for a large volume. More importantly, do not fully drain an in-ground pool without checking the manufacturer’s guidance or consulting a pool professional.
Which pump has the highest listed flow rate?
The SEESII is listed at up to 4,755 GPH. The AQUASTRONG is listed at 4,500 GPH at a 5-foot lift. Actual flow depends on the lift and discharge setup, so these figures are not guaranteed rates for every installation.
Can these pumps handle leaves and debris?
The SEESII has a built-in filter intended to block small debris, and its product information describes it for clean and lightly dirty water. The AQUASTRONG is listed to handle solids up to 1/5 inch. Avoid allowing large leaves or debris to block an intake, and follow the instructions for the specific pump.
Does a longer hose reduce pump performance?
Hose length and the height water must travel can affect flow. A longer or narrower discharge route may reduce how quickly water moves, even when a pump has a high listed flow rate. Check the pump’s instructions and use a compatible hose and adapters.
Is dry-run protection enough to leave a pump running unattended?
No. Thermal protection may help guard the motor if water runs low, but you should still monitor the pump and switch it off when the job is finished. Follow the manufacturer’s placement and operating instructions.
Can pool water be pumped into a yard or storm drain?
Discharge rules vary by location, and pool water may contain chemicals that should not be released in every area. Check local requirements and your pool-care guidance before choosing where to send the water.
Final Recommendation
For routine pool-cover drainage, the AgiiMan 850 GPH pumps offer a compact design with a hose and adapters included. For a larger water-removal job, the AQUASTRONG stands out for its bottom-suction design and solids capacity, while the SEESII offers the highest listed flow rate and a longer included hose. Choose based on your water volume, lift, and discharge setup—and get professional guidance before fully draining an in-ground pool.
