Pool Pump Buying Guide


Are you ready to replace your old, burnt out pool pump? Tired of replacing the pump motor over and over? Maybe you are getting a new pool, and need a new pump? Whatever the reason, there are a few things you need to know when it comes to properly sizing out and purchasing a new pool pump.

One of the most misconstrued things in the pool industry is pump horsepower. Many pool professionals will tell you, “You need a 2hp or higher” but that is simply not the case; not every 2hp pump is the same. What most pool professionals don’t explain is that a 2hp from one pump model can be equivalent to a 3/4 hp in another model. Horsepower is essentially just a number on a label; it really doesn’t mean anything when you are buying a complete pump.

 

WHAT YOU NEED TO KNOW BEFORE STARTING:

A. Pool Size in Gallons (Volume of pool)

ØRectangle pools: Length x Width x Average Depthx 7.5

ØOval pools: Length x Width x Average Depth x 5.9

ØRound pools: Diameter x Diameter x Average Depthx 5.9

B. Feet of Head (distance from pump to pool)

C. How long you want to run the pool

D. GPM (Gallons per Minute) (A ÷ C÷ 60= GPM)

Ø Volume divided by how long you want to run the pool, divided by 60.

E. Multiple pump technical specs and flow curves

 

Our Example will use: 30,000 Gal pool running for 6 hours with 35 Feet of Head 





So to sum it up, don’t just go by what the pool guys says if he says a HP, which may not be the case. You can see in the above example you would get a 3/4 or a 2 hp depending on the model.

 

Other things you will want to confirm:

-Ensure your Voltage is acceptable with the pump you choose

-Ensure you have the same pipe sizing as recommended

-If space is limited, you will need to check that also

-Above-Ground Pumps will also have cord options in many cases




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