2 Best 2-Speed Sand Pool Filters, Compared
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Finding the best 2-Speed sand pool filters requires comparing key specs like horsepower and valve type. We ranked 2 models based strictly on published listing data. The AQUASTRONG 20-Inch 2 HP Dual-Speed Sand Filter Pump leads because its 2 HP motor delivers high flow for large in-ground pools. Its 6-way valve adds practical control for heavy-duty use. This guide helps you decide which unit matches your pool size and filtration needs.
Quick picks
| # | Product | Best for | Price |
|---|---|---|---|
| 1 | AQUASTRONG 20-Inch 2 HP Dual-Speed Sand Filter Pump Best overall | large in-ground pools needing high flow | Check price of AQUASTRONG 20-Inch 2 HP Dual-Speed Sand Filter Pump on Amazon |
| 2 | SWIMLINE 19-Inch 1 HP Sand Filter Pump Best budget | Above ground pools under 25,000 gallons | Check price of SWIMLINE 19-Inch 1 HP Sand Filter Pump on Amazon |
The best fit for you
- You need high flow for large in-ground pools AQUASTRONG 20-Inch 2 HP Dual-Speed Sand Filter Pump The 2 HP motor and 20-inch diameter provide the high cleaning power needed for large volumes.
- You want a practical choice for above ground pools SWIMLINE 19-Inch 1 HP Sand Filter Pump The 1 HP motor and 19-inch size offer solid filtration for pools up to 25,000 gallons.
- You prefer a compact filter with a 7-way valve SWIMLINE 19-Inch 1 HP Sand Filter Pump This model features a 7-way valve and a smaller 19-inch footprint for easier installation.
Our 2 picks
AQUASTRONG 20-Inch 2 HP Dual-Speed Sand Filter Pump
Best for: large in-ground pools needing high flow
- Speed
- 2-Speed (what this guide is about)
- Flow Rate
- 2578 / 5186 GPH
- Tank Diameter
- 20 in
- Horsepower
- 2 HP
- Pool Capacity
- 21000 GAL
- Valve Type
- 6-way
View on Amazon: AQUASTRONG 20-Inch 2 HP Dual-Speed Sand Filter Pump Affiliate link
This AQUASTRONG 20-inch sand filter pump offers 2 HP of power with dual-speed operation. You get 5186 GPH on high speed for deep cleaning, or 2578 GPH on low speed for energy-efficient daily circulation. It handles pools up to 21,000 gallons and holds 200 lbs of sand. The unit includes a 6-way valve and a complete adapter kit for straightforward installation in in-ground pools.
Pros
- 2 HP motor with dual-speed settings for filtration or circulation
- High flow rate of 5186 GPH for intensive cleaning
- Includes 6-way valve with six distinct operational settings
- Comes with a comprehensive adapter kit for easy installation
- UV-resistant and anti-corrosion design for long-term durability
Cons
- Larger physical footprint at 27 inches long and 24 inches high
- Heavier construction with a 200 lbs sand capacity requirement
- No variable speed control, only two fixed speed options
Good fit if
- You need high flow rates for large in-ground pools up to 21,000 gallons
- You want a dual-speed setup to balance cleaning power and energy use
- You prefer a robust build with UV-resistant materials for outdoor longevity
Skip if
- You have a small pool under 15,000 gallons and need a compact unit
- You require variable speed technology for precise flow adjustment
- You are installing in a tight space with limited clearance
Verdict: AQUASTRONG 20in 2HP Dual-Speed Sand Filter is a heavy-duty solution for large in-ground pools. It suits owners who prioritize high cleaning power and durable construction over compact size or variable speed flexibility.
SWIMLINE 19-Inch 1 HP Sand Filter Pump
Best for: Above ground pools under 25,000 gallons
- Speed
- 2-Speed (what this guide is about)
- Flow Rate
- 4500 GPH
- Tank Diameter
- 19"
- Horsepower
- 1 HP
- Pool Capacity
- 19,000 gal, 25,000 gal
- Valve Type
- 7-way
View on Amazon: SWIMLINE 19-Inch 1 HP Sand Filter Pump Affiliate link
This Swimline sand filter pump is built for above ground pools up to 25,000 gallons. It features a 1 HP motor delivering 4500 GPH flow rate and a 19-inch tank diameter. The unit includes a 7-way multi-port valve for easy maintenance. It holds 175 pounds of sand. The design prioritizes quiet operation and DOE compliance. It suits pool owners who need reliable filtration without complex controls.
Pros
- 1 HP motor provides 4500 GPH flow rate
- 19-inch tank holds 175 lbs of sand
- 7-way multi-port valve for easy operation
- Optimized for low noise levels
Cons
- 19-inch tank is smaller than the 20-inch competitor
- 1 HP motor has lower horsepower than the 2 HP competitor
- No app or remote control mentioned in data
Good fit if
- You have an above ground pool under 25,000 gallons
- You prefer a straightforward 7-way valve system
- You want a quiet, DOE compliant pump
Skip if
- You need a 2 HP motor for larger pools
- You require smart app control or remote access
- You are installing an in-ground pool system
Verdict: Swimline 19in 1 HP Sand Filter is a practical choice for above ground pools up to 25,000 gallons. It offers solid filtration with a 1 HP motor and 7-way valve, though it lacks the power of higher-horsepower competitors.
Specifications side by side
| Spec | AQUASTRONG 20-Inch 2 HP Dual-Speed Sand Filter Pump | SWIMLINE 19-Inch 1 HP Sand Filter Pump |
|---|---|---|
| Flow Rate | 2578 / 5186 GPH | 4500 GPH |
| Tank Diameter | 20 in | 19" |
| Horsepower | 2 HP | 1 HP |
| Pool Capacity | 21000 GAL | 19,000 gal, 25,000 gal |
| Valve Type | 6-way | 7-way |
| Sand Capacity | 200 lbs | 175 lbs |
| Features | Timer, Filter Pump, Sand Filter Pump | Filter Pump, Sand Filter Pump |
| Use | Poolside, Above Ground Pools | Poolside, Above Ground Pools |
| Speed | 2-Speed | 2-Speed |
| Dimensions | 27 × 18 × 24 inches | 31 × 19 × 27 inches |
| Size | 20in, Up to 21000 GAL | 19 Inch (Up To 19000 Gal) |
| Color | 20in, Up to 21000 Gal | Beige |
| Model | SFPV201AD | 71915-2 |
How to Choose the Right 2-Speed Sand Filter
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Match Horsepower to Pool Size
Your pool volume determines the motor power you need. Larger pools require more horsepower to circulate water effectively. The AQUASTRONG model offers 2 HP, making it suitable for large in-ground pools up to 21,000 gallons. This higher power ensures strong flow and efficient filtration for bigger volumes. If you have a smaller pool, this might be overkill. Always check the manufacturer's gallon recommendations to avoid underpowered or oversized pumps.
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Check Valve Way Count
The number of valve positions affects your maintenance routine. A 7-way valve, like the one on the Swimline model, offers more control options than a 6-way valve. These extra positions allow for functions like backwash, rinse, and waste, giving you greater flexibility during cleaning. More ways mean you can manage water flow and filtration modes more precisely. Choose a valve with enough positions to handle your specific pool care needs without extra attachments.
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Verify Physical Dimensions
Measure your equipment pad before purchasing. The AQUASTRONG unit measures 27 inches in length, 18 inches in width, and 24 inches in height. The Swimline model is slightly larger at 31 inches long and 27 inches high. Ensure your poolside area has enough clearance for installation and future servicing. Crowded spaces can make maintenance difficult. Accurate measurements prevent fitting issues and ensure the pump sits securely on its base without obstruction.
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Consider Built-In Timers
A built-in timer simplifies daily operation. The AQUASTRONG pump includes a timer feature, allowing you to set specific run times automatically. This convenience helps maintain consistent water quality without manual intervention. You do not need to remember to turn the pump on or off. Automated scheduling saves time and ensures the filter runs during optimal hours. Check if your chosen model includes this feature for easier long-term management.
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Identify Your Pool Type
Select a filter designed for your specific pool style. The Swimline model is best suited for above-ground pools up to 25,000 gallons. Its 1 HP motor provides adequate filtration for these setups. In-ground pools often benefit from higher horsepower units like the AQUASTRONG. Matching the pump to your pool type ensures proper circulation and filtration efficiency. Using the wrong type can lead to poor water clarity or excessive energy use.
Frequently asked questions
What is the difference between a 2-speed sand filter and a variable speed filter?
A 2-speed filter offers two fixed motor settings, typically low and high, allowing you to switch between energy-saving filtration and high-power cleaning. Variable speed filters provide many adjustable RPM levels for precise flow control. The AQUASTRONG model uses a 2-speed design with a timer for automatic switching, while the Swimline unit also features two distinct speeds for versatile operation.
How does the valve type affect pool maintenance?
The valve directs water flow for filtering, backwashing, rinsing, and other functions. The AQUASTRONG pump includes a 6-way valve, while the Swimline model features a 7-way valve. An extra position on the 7-way valve may offer additional control options for backwashing or waste modes. This difference allows you to choose based on your preferred maintenance workflow and specific pool needs.
Can I use a 2-speed sand filter for an above-ground pool?
Yes, you can use a 2-speed sand filter for above-ground pools. The Swimline 1 HP model is specifically recommended for above-ground pools under 25,000 gallons. Its 19-inch size and 1 HP motor provide adequate filtration without overwhelming the system. This makes it a practical choice for smaller or above-ground setups where high flow is not required.
What pool size fits the AQUASTRONG 20-inch filter?
The AQUASTRONG 20-inch filter is suitable for large in-ground pools up to 21,000 gallons. Its 2 HP motor delivers high flow necessary for larger water volumes. This heavy-duty unit prioritizes cleaning power over compact size. If you have a large in-ground pool, this model ensures effective circulation and filtration through its robust dual-speed design.
Does the AQUASTRONG filter include a timer?
Yes, the AQUASTRONG 20-inch model includes a built-in timer. This feature allows you to automate the filtration schedule, switching between speeds or turning the pump on and off. The timer adds convenience for maintaining consistent water quality. You can set it to run during optimal hours without manual intervention, simplifying your weekly pool maintenance routine.
How do the dimensions of these filters compare?
The AQUASTRONG filter measures 27 inches in length, 18 inches in width, and 24 inches in height. The Swimline model is larger, measuring 31 inches in length, 19 inches in width, and 27 inches in height. Consider your available poolside space when choosing. The AQUASTRONG unit is more compact, while the Swimline requires a slightly larger footprint for installation.