A 1 horsepower pool pump with 1.5-inch plumbing lines may filter around 60 gallons per minute. In this example, that means you would need to run the pool pump for about 8.5 hours a day (8.5 hours x 60 gallons per minute x 60 minutes = 30,600 gallons).
So to answer the question, yes, you can replace your 1hp pool pump with a 1.5hp pool pump, but only if your situation calls for it. If you've determined that your current pump is too small for your pool, then we'll suggest replacing it with a larger ECO pump like the Water TechniX Pump Alpha ECO.
Pumps can come in many different horsepowers. The smaller typically being used for fountains or water features. Main circulation pumps for a residential, in-ground swimming pool would typically be in the . 75 HP to 3 HP.
It is OK to replace a 1 HP pool pump with a 1.5 HP pump if your pool pipes and filter can handle the additional flow. A larger pump will only be of benefit if the current pump is turning over the pool's water volume at a rate of 1-2 times every 8 hours.
In this operating mode, the 1 hp pump requires about twice the energy to operate than a ½ hp pump and when flow is restricted to accommodate the desired flow rates, the operating pressure is nearly double that of the ½ hp.
A 1 hp submersible pump can typically pump 4 to 40 gpm - depending on several variables - see the table at the end of the article above. There you'll see that a 1/2 hp pump at 125 ft. is able to deliver about 7 gpm and is at the upper limit of its capacity.
For most average-sized homes in areas with average water tables, a 1/3 HP sump pump should be sufficient. Typically, 1/3 HP pumps can handle 7' – 10' vertical lifts from the sump pit if they have one 90-degree elbow and a horizontal pipe run between 3 feet and 25 feet.
On average, a pool pump motor can last between 8 and 10 years before it needs to be replaced. If you hear a noise, such as screeching, humming, or even no noise at all, these are warnings that something has to be done. Alternatively, your pool pump should last about 60 months on average.
(Pool capacity in gallons/desired turnover rate in hours)/60=Flow rate in GPM. Example: If you have a 20,000 gallon pool and a desired turnover rate of 5 hours, your desired flow rate would be: (20,000/5) = 4,000 gallons per hour/60 = 66.66 GPM, or approximately 67 GPM.
Your 25,000-gallon pool needs a pump with an output of 52 gallons per minute to circulate the water once every eight hours.
What you're looking for is a pump that will be able to pump all the water in your pool through the filter in no more than 8-10 hours. This typically looks likes 40 GPM (gallons per minute) for smaller pools and 80 GPM for larger pools.
Our 1 hp (standard) example UST1102 motor above will cost between $1-$5 per day, depending on what your power company charges per kWh, and on how many hours per day the pump is running, which changes within the season. This will result in a monthly cost of $30-$150.
The first step in determining the proper size pump for your pool is to calculate how much water it holds. The reason for this is that your pool pump should be able to turn over the water in about 8 hours. (For a more exact calculation on how many hours to run your pump, check out How Long to Run a Pool Pump.)
Specifications power rating: 1 HP; head: 3 to 32 meters; capacity: 3100 to 500 LPH. Usha: The smooth water supply to overhead tanks in buildings, hotels, and restaurants is ensured by the high suction capacity of these pumps.
A battery-powered 1HP plunger pump that operates at 93% efficiency, for example, can run on a single charge all day.
A pool pump that is larger than needed has a more powerful motor and circulates water at a higher flow rate. This uses significantly more energy to pump the same amount of water and puts additional stress on your pipes and filter, meaning you'll need to replace them sooner.
Having too large of a swimming pool pump can cause too much pressure in your pipes and could lead to damage. Another place you could see potential damage is in your filter.
As much as you can
If your question is “How often should I run my pump to keep the pool at its best?” the answer would be 24/7 for as much of the year as the pool is in operation.
Keeping your Pool its Cleanest Requires the Pool Pump to be Running. Not running the pump 24/7 is also a sanitary issue, and is the primary cause of a murky pool. The moment you turn off your water pump, debris, algae and bacteria start to build up, which can eventually lead to cloudy or green water.
Just as important as how long you run your pool pump is when you run it. You know you need to turn over your pool water in 6-12 hours – but that doesn't mean 6-12 consecutive hours. To save money on your electric bill, opt to run your pool pump during non-peak hours when electricity costs the least.
A 1 horsepower pool pump with 1.5-inch plumbing lines may filter around 60 gallons per minute. In this example, that means you would need to run the pool pump for about 8.5 hours a day (8.5 hours x 60 gallons per minute x 60 minutes = 30,600 gallons).
You use the following formula. Pool gallonage x 2 (the recommended number of cycles in a day) ÷ daily hourly run time ÷ 60 (minutes in an hour). So, for a 30,000-gallon pool that runs continuously (24-hours), the formula is: 30,000 x 2 ÷ 24 ÷ 60 = 41.6 or rounded up it's a 42 GPM minimum flow rate.
So, on low speed the 1 HP moves 43 GPM and the 1.5 HP moves 45.5 GPM. To save money you want to hopefully run it on low speed (much less electrical current is used on low speed and it's more quiet). For me, with my Hayward EC40 filter, low speed with the 1 HP works great because the filter is designed for 40 GPM.