The main difference between inground and aboveground pool pumps is that inground pumps are “self-priming”, and aboveground pumps are not. In ground pumps are usually 2-3 feet above the water level, and sometimes higher. The second main difference between a/g and i/g pumps is flowrate.Click to see full answer. Similarly, you may ask, what size pump do I need for my above ground pool?For round above ground pools up to 24 ft. ( pools with less than 15,300 gallons) use a 1 HP pump. For round above ground pools over 24 ft. (pools with more than 15.300 gallons) use a 1.5 HP pump.Subsequently, question is, how do I know what size pool filter I need? The equation used in calculating filter sizes is: Pool capacity in gallons divided by the desired turnover rate in hours. This will give you the minimum flow needed in gal/m (Gallons per minute). Divide this number by 60 to get the gal/m. Find a pump that meets the gal/m you just calculated. People also ask, how does an above ground pool pump work? Above ground swimming pool pumps are powered by electricity and form the heart of a pool’s circulation system, taking water from the pool and propelling it through the filter before sending it back to the pool through the return port.How far can pump be away from pool?Shorter pipe runs = less work for the pump which extends the life of the pump and uses less electricity. Our projects typically average a distance of 20–40 feet from the pool to the equipment, but as stated earlier, much longer runs are sometimes required.