Pool Pump Sizing

22 5 60 gpm or flow rate range.

Pool pump sizing.

There are a few primary factors that go into finding the right size pool pump. Now most pool owners don t have a vacuum gauge installed before the pump. How to determine gallonage. Water pumps of 1 1 5 and 2 horsepower are very common and for the average size pool very oversized.

We will use that gpm to calculate our pool s feet of head. Calculate minimum flow rate. Divide the pool into the above shapes then add together. Below we ll run through how to easily figure it out step by step and choose your pool pump confidently.

You might think bigger is better in terms of pump size but a pump that is too big can cause serious problems. An ideal turnover time is 8 10 hours. The first step in sizing your pool is to know the volume of water in your pool which is the average depth. Determine your flow rate range.

Calculate the volume of your pool. Length x width x average depth x 6 9 pool capacity in gallons round. The size of your pool filter is directly related to the pool pump you have selected. This will eventually burn out the pump motor and your filtration will also be compromised.

From industry standard single speed pumps to energy efficient variable speed pumps all delivering powerful reliable performance. Length x width x average depth x 5 9 pool capacity in gallons free form. Oversizing pumps have become such an issue that the state of california a big pool state recently enacted a law to control how big of a pump could be placed in a swimming pool. Multiply the pump vacuum by 1 13 to measure resistance before the pump add the two together to compute the total resistance in the system.

If you can get of a vacuum gauge not a pressure gauge unscrew the front pump drain plug and thread the vacuum gauge in its place. We can see that for our example pool we can determine the following. The first thing to determine is the desired turnover time or in layman terms how long it takes for the pool pump to cycle all of the swimming pool s water completely. If your pool filter is too small for the pump there will be additional strain on the pump motor as it tries to push water through and encounters resistance at the filter.

You have now completed your pool pump sizing and will be able to purchase a pool pump that will work efficiently and safely with your pool system. Measure the shallow end depth. Measure the deep end depth. Length x width x average depth x 7 5 pool capacity in gallons oval.

A pump s flow rate is dependent on the feet of head of your plumbing system and that measurement is featured in every pump curve chart. Determine maximum flow rate. How to figure out what pool pump size you need. Hayward has the broadest lineup of pool pumps in the industry assuring you will have the perfect pump for your pool.

50 60 tdh or feet of head.