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Swimming Pool

Pump is the heart of your pool’s circulation system. It pulls water through the skimmer and main drain, sends it through the filter to remove dirt and debris, and pushes the clean water back into the pool. A good pump ensures your pool stays clean, safe, and enjoyable every day.

Essential Water Circulation for Pool Health and Safety

A reliable pump keeps your water moving through the filtration system, helping maintain cleanliness, safety, and comfort for everyone using the pool. Whether you're relaxing on a summer day or hosting a pool party, the right pump ensures your pool stays crystal clear and ready to enjoy.

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Step 1. Know your water needs

The pump size depends on the pool size and turnover time. The table shows the recommended flow rate of different sizes of swimming pool

Step 2.
Calculate the lift and head

Total dynamic head includes the vertical lift, pipe length, and resistance from filters and fittings. A higher head means you’ll need a more powerful pump. For standard residential pools, most systems work well with a head between 30–50 ft.

Step 3.
Pair with right solar panel

The solar panel array should be 1.3 times the water pump's power, with voltage matching the pump's range.

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What you need to know:

How big is your swimming pool?

Rectangular pool : Length (ft) × Width (ft) × Average Depth (ft) × 7.5 = Total Gallons

Round pool : Diameter² × Average Depth (ft) × 5.9 = Total Gallons

Example:
A 20 ft × 10 ft pool with 5 ft depth
20 × 10 × 5 × 7.5 = 7,500 gallons

How to calculate flow rate?

Required GPM = Total Daily Water Need (gallons) ÷ turnover time (minutes)

Your pump should be able to circulate all the water at least once every 8 hours (480 mins).

Example:
For 7,500 gallons swimming pool
7,500 ÷ 480 = 15.6 GPM
In this case, pumps rated higher than 16 GPM is recommended.

*For larger pools or pools with high usage (or trees nearby), consider a faster turnover time—like every 6 hours.

How to calculate head

Basic backyard pool system: : 30–50 ft of head
Larger pools or pools with waterfalls/heaters : 50–70 ft of head

We do privide flow chart which shows GPM at different head values. You can match your needed GPM to the closest curve at your estimated head height.

Our Proven Case

Circulation for swimming pools

"The solar pump has transformed our pool maintenance. It's energy-efficient and keeps the water crystal clear – we couldn’t be happier!"

Product comparison grid

Compare the flow rate and head to get your desired pump!

SPSP-250 | Up to 29.5 ft, 54 GPM, 0.54 HP, swimming pool surface pump, with internal controller
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SPSP-370 | Up to 45.9 ft, 74.4 GPM, 1 HP, swimming pool surface pump, with internal controller
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SPSP-550 | Up to 59.1 ft, 83.8 GPM, 1.34 HP, swimming pool surface pump, with internal controller
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SPSP-750 | Up to 78.7 ft, 91.7 GPM, 1.61 HP, swimming pool surface pump, with internal controller
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Price
Price
$616.80 $717.00
$645.00 $870.00
$708.00 $885.00
From $804.00 $1,005.00
Maximum Flow Rate
Maximum Flow Rate
54 GPM
74.4 GPM
83.8 GPM
91.7 GPM
Maximum Head
Maximum Head
29.5 ft
45.9 ft
59.1 ft
78.7 ft
Power
Power
400 W
800 W
1000 W
1200 W
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