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What Size Pump For Above Ground Pool

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Calculate Feet Of Head

Choosing the Right Pump for Your Above Ground Pool

If you are curious about what size pump do I need for my above ground pool, you can stop with the computation above. However, if you want to be more technical, then theres another thing that requires your attention feet of head.

The total resistance to flow is the feet of head. This refers to the average length that it takes the skimmer to reach the above ground pool pump. This is the number if you have a single skimmer. If you have multiple pool skimmers, on the other hand, you need to find the average. However, as you can see above, we were able to calculate the pump size without dealing with feet for head, so we wont talk about its formula to keep things simple.

Xtremepowerus 75113 Pump Pool Aboveground 15hp 2speed Energy Saving Black

as of November 18, 2021 4:41 pm


  • Energy Saving Swimming Pool Pump heavy-duty, high-performance motor with air-flow ventilation for quieter, cooler operation
  • Built-in Speed settings gives more user control to adjust the speed of water transfer with the low and high settings between 1,750 to 3,450 rotations per minute
  • Oversized strainer basket with transparent lid cover to indicate whether the basket needs to be cleaned out of debris, leaves and particles of dust to prevent clogging
  • High performance motor with built-in airflow ventilation and thermal overload protection will deliver quieter noise and smoother running experience than traditional pumps of its class
  • Designed for above-ground pools and spas of all types and sizes. It UL Certified to meet specific product standards and safety requirements

Is It Worth Investing In A Variable Speed Pool Pump

It depends. The key draw of these units is the freedom you get to manipulate the speed to suit pool occupancy and your requirements. The object is to save money by running the pump at lower speeds when theres nobody using it. Given the fact these pumps are much more expensive to buy, you are unlikely to make significant savings when you factor in the extra upfront cost.

Also Check: How To Deter Wasps From Pool

What Size Sand Filter Do I Need For A 27 Above Ground Pool

27poolfilterfilter sandfilter

Another rule of thumb is to buy 1.5 sq ft of filter area per 10,000 gallons of pool water. The 3.1 sq ft sand filter is the standard size for most inground pools. Larger pools, , should use a 4.9 sq ft. sand filter .

Additionally, how do you size an above ground pool filter? Read on to learn how to calculate the proper size for your above ground pool filter.

  • Step 1 – Measure the Size of Your Pool.
  • Step 2 – Calculate the Gallons to Be Filtered in Eight Hours.
  • Step 3 – Determine the Maximum Flow Rate.
  • Step 4 – Filter Systems.
  • Step 5 – Install Your Pool Filter.
  • In respect to this, what size pump do I need for my above ground pool?

    For round above ground pools up to 24 ft. use a 1 HP pump. For round above ground pools over 24 ft. use a 1.5 HP pump.

    Should you run your pool pump all the time?

    Although it’s generally recommended that all the pool water undergo filtration every 24 hours, the pump does not need to run all the time. If your pool is in constant use, you may need to run the pump for up to eight hours per day, frequently checking the water clarity and chemical balance.

    Pool Pump Sizing Step By Step

    12"  Sand Filter &  2880GPH Water Pump System for Intex ...

    We’ve put together a simple step by step guide to help you calculate what size pump is ideal for your pool. This will ensure that the pump is the most efficient size for your specific pool system. It will take a few minutes to work through these steps but it’s worth every minute when you figure out the correct size pump to circulate your pool water while saving you money every month in electrical savings.

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    Pentair 011018 Intelliflow Pool Pump

    Another great entry into the world of energy efficient pumps, this Pentair boasts a 90% efficiency over other types of pumps. On top of that, its one of the quietest on this list. If you hate pump noise, then you should consider this model from Pentair. This pump includes eight programmable settings and a timer so you can determine how and when your pump runs. Its easy to install and maintain and it will save you money along the way as well.

    The Pump Fails To Pull Water

    When water isnt being pulled in to the pump, it cant reach the filter and pass through the system properly. The first thing to look for is a clog in the system.

    First, check the skimmer and the pump baskets to make sure theyre not clogged. Next, check the impeller for debris impeding its movement. Open up the pump and clear away any debris.

    Another potential cause can be an air leak in the suction line. Since air has less mass than water, the pump will suck in air instead of water. Check the lines for leaks and patch up any you find.

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    Determine The Minimum Flow Rate

    This factor calculates the minimum flow rate that must be maintained in order to circulate all the water in the pool through the filter within a certain number of hours, otherwise known as the “turnover time”.

    A good turnover time for a home pool is usually 8-10 hours. A heavily used pool will need to have a shorter turnover rate. Once you know the desired turnover rate, you can determine your desired flow rate.

    Use the following equation to determine the desired flow rate:

    • Pool Size – number of gallons of water in the pool.
    • Turnover Time – time to move entire capacity of pool through filter.
    • Flow Rate – desired flow rate in gallons per minute.
    Pool Size
    30 GPM

    The following chart is another way to help calculate the desired flow rate.

    If you have a 25,000 gallon pool and want a turnover rate of 8 hours, then you will need a pump with a flow rate of 52 gallons per minute/

    If you have a 35,000 gallon pool and want a turnover rate of 10 hours, you will need a pump with a flow rate of 56 gallons per minute.

    For this situation, we will use a 24,000 gallon pool with a turnover time of 8 hours, giving us a MINIMUM FLOW RATE of 50 gallons/minute.

    Pool Covers For Above Ground Pools

    How To: Select Above Ground Pool Pumps

    When heating your above ground pool, it is essential that you cover the pool water with a pool cover

    We recommend using a solar cover for an above ground pool

    A solar pool cover will heat the pool water when the sun shines. It will also help to retain the pool heat at night and when the pool is not in use

    We sell a range of pre-made solar covers for above ground pools

    These suit oval and round pools

    to see our range of solar covers

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    Next Day Delivery Details

    Dohenys is pleased to offer free next day delivery at no additional charge for orders over $100 to most of the US for all Doheny’s brand chemicals and many of our most popular swimming pool supplies. Next Day Delivery Service does not mean Next Day Air, but simply that your qualifying products will be shipped from the warehouse closest to you resulting in delivery the next day. We do have a shipping charge of only $9.99 for orders under $100.00.

    Some details regarding this service:Other than for Pleasant Prairie, Wisconsin, not all products are stocked at all locations and therefore not available for next day delivery. Only those items with a Next Day Delivery designation on the product page can be expected to arrive the next day and orders must be placed by 4 PM CT .

    If you reside in the next day delivery area served by our Pleasant Prairie facility, order in-stock products and place your order by 4 PM CT you should receive your order the next day . This applies to products even if they do not have a Next Day Delivery designation.

    Because next day delivery is not guaranteed for standard service and residential deliveries are made only Monday through Saturday though Saturday delivery is not guaranteed, there is a chance that our product will not arrive the next day. While we try our best, unexpected demand can cause products to occasionally be out of stock or create a warehouse backlog that also can prevent shipment the day of the order.

    Harris Proforce Above Ground Pool Pump Best Overall

    The Harris ProForce 1.5 HP Above Ground Pool Pump is the best overall pool pump for above ground pools. Its made well and is extremely durable, so you should expect years of service out of this model. Its also well-engineered, so its not as noisy as other pool pumps of a similar size. Thats an especially good thing given that many pool pumps live near the above ground pools theyre powering, so the noise wont affect the fun. This model is also energy efficient, so you can run it without worrying about running your bill up too high.

    It also comes with a filter basket which is easy to access, and easy to clean, making this model a good deal for those who want to do preventative maintenance and keep their pool clean. The only downside to this model is that you can only turn it on and off by plugging it in and unplugging it, as it lacks an on/off switch. This is a weird oversight, but its not one that detracts from how well it works otherwise. Overall, this is a great model to get if you want to take care of your above ground pool.

    The bag holds a substantial amount of leaves and debris. As a result, you dont have to empty it very often unless theres been a large storm.

    • No timer

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    Green & Energy Efficient:

    There are ways to get the most gallons per minute from your pool pump with the least horse power motor. Increasing the PVC pipe size from 1-1/2″ to 2″ will increase any pumps GPM. Other options to make your pool pump more efficient are:

  • Include a pump timer
  • Opt for a pump with a 2-speed motor
  • Invest in a newer variable speed pump
  • For more on Pumps, like the difference between single, two or variable speeds, try this article!

    Additional resources for your pool buying journey:

    Hayward W3sp1580x15 Power Flo Pool Pump 15 Hp

    Rx Clear Radiant 16"  Above

    as of November 18, 2021 4:41 pm


    • INCLUDES: The Hayward ProSeries 18 In. Above-Ground Pool Filter System includes an 18 in. polymeric tank, a 7-position filter control valve, a 1 HP PowerFlo Matrix pool pump, a one-piece deluxe base and a 1 12″ hose package
    • MAXIMUM FLOW: 7-position VariFlo valve provides maximum flow at lower pressure drop
    • RAPID WINTERIZING: Large pressure sand/water drain is always ready for quick winterizing or servicing
    • MAXIMUM FILTRATION: Integral top diffuser ensures even distribution of water over the entire sand bed for optimal use of filtration area

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    How Do I Choose The Right Pump

    There is no guarantee that your pool builder sized the pump properly to begin with. In the Dallas area, for instance, the builders are notorious for putting 2 horsepower pumps on everything because the next guy does. Nobody wants to lose a sale because they sized the pump smaller.

    Properly sizing the pump involves several steps as described below. If you do this, you will avoid wasting electricity and extra wear on the other equipment.

    What Does A Pool Pump Do

    An above-ground pool pump has one very important job: move the water in the pool through the filter. Think of it as the heart of your pool. The pump circulates the water, cycling it through the filtration system where dirt and debris are removed. The filter is also where the water is sanitized and the chemical reactions that keep your pool water safe take place. Without a pump, the water wouldnt be able to travel through the filter and stay clean and safe.

    Recommended Reading: Does Lowes Install Above Ground Pools

    How To Measure The Minimum Flow Rate

    You might already know a thing or two about turnover time, which is essential information to determine how long to run your pool pump every day.

    In case youre new here, just know that the sweet spot should typically be around eight to ten hours. If you have a heavily-used pool, youll want to reduce that turnover ratebut thats a rare exception.

    To determine your minimum flow rate, all you need to understand is your pool sizethat is, the number of gallons in your pooland your desired turnover rate in hours.

    Not sure how many gallons of water your pool contains? Its simple geometry anyone can do. You just have to multiply the length, width, and depth of your pool in feet, and then multiply that figure by 7.5 to convert the number to gallons. Prefer formulas? Follow the one below:

    x x x 7.5 =

    Now that you have your pool size and the turnover rate, find your values in the chart below to determine your minimum flow rate. Relaxno algebra needed for this step.

    If you think better in graphs, you can also follow the one below.

    Our above-ground recommendation? This Copper Force Above Ground Pool Pump runs at the coolest operation on the market, meaning its built to lastand has a lifetime warranty available, so you dont have to take our word for it.

    Why You Need A Proper Pool Pump Size For Your Above Ground Pool

    How do I choose the right size pump and filter for my above ground pool?

    When it comes to finding the best pool pump size for above ground pools, most people tend to simply go for the highest rated GPH pumps. However, this shouldnt be the case if you want to enjoy all the benefits of having a suitable pool pump size.

    Notice that finding the right pool pump size will be critical when you are looking for peak performance. Notice that the pump is considered ineffective when the power is significantly less than what your pool needs. In such cases, you will move less water which increases the chances of more bacteria growth in your above ground pool. A weak pump will translate to stagnant water which is a breeding place for diseases and can lead to chemical imbalance.

    You might be wondering whether there is any harm if you pick a pump that is too big for your above ground pool. Well, in such cases you will end up spending a lot of money on bills when most of the energy is simply wasted. Notice that a big pump will also increase wear and impact your pool filters performance.

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    How To Size A Pool Heat Pump

    The size of your pool, the outside temperature, humidity level, and the amount of wind will all factor into how fast your heat pump warms the water.

    Correctly sizing your heat pump keeps those outside influences from becoming as much of a determining factor in the temperature of your water.

    There are 2 ways you can determine the proper pump size:

    So You Want To Check The Horsepower And Be Done Huh

    It might be tempting to cut to a quick answer, but its just thata detraction from your pools potential. No, horsepower alone is not enoughat least not anymore. Pumps are a lot more efficient than they used to be, which is a good thing for many reasons . However, if you simply go by horsepower ratings, you run the risk of oversizing your pump, and thus adding unnecessary strain to your overall system.

    Already have a pump, and wondering if its right? Again, horsepower alone wont do itespecially if your pump was already in place when you bought your house. Builders are known to embrace the bigger-is-better mentality to land a sale, which often results in a larger horsepower than the pool needs to run efficiently.

    So while horsepower is an essential consideration when looking for the right pump, lets table it for a second. Its much more accurate to check the maximum and minimum flow rate of your pooland simple, too. Hang in there and youll see.

    Plan long term with Energy Star Variable Speed In Ground Pool Pump. This variable speed model is our biggest energy saver, runs quiet and cool, and is eligible for rebates. Plus, it comes with a lifetime warranty.

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    Sizing Your Above Ground Pool Pump

    Sizing your above ground pool pump is crucial to the overall performance of your swimming pool. An undersized pump lacks the power needed to circulate your water properly to prevent algal blooms. Adversely, a pump that is too large will completely bypass your filter altogether. This, too, creates a dirty pool. In a way, its similar to the likes of Goldilocks and The Three Bears. You dont want a pump that is too big or too small, you want one that is JUST right.

    How can you determine which size pump is right? Lets explore.

    Determine Above Ground Pool Filter Size

    Bestway Swimming Pool Sand Filter Above Ground Pools ...

    The size of your system is mostly determined by the size of your above ground pool. The gallons found inside your pool will give you the horsepower needed for your pump. A simple rule to follow is you should be able to clear all of the gallons of your pool in an 8 hour period of time. You can use the following as a guideline.

    Pool Size
    • Rated 4.97 out of 5$109.95

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