Water Feature Pump Size Calculator

Maximum water flow for a pipe size.

Water feature pump size calculator.

Read on to find out. Larger volumes need larger pumps. Fountain waterfall pump selector calculator use this tool will recommend the correct easy pro pond or fountain pump for your application. Having the correct pump is vital to a well working fountain or pond.

Head loss filters heater chiller skimmer uv etc. To find the pump look at the chart under the column titled pump enter the model number of the pump in the search box located on our page s main menu to the left. Smaller pumps typically measure flow in gallons per hour gph and larger pumps typically use gallons per minute gpm. Enter total pumping lift or height feet water is pumped vertically.

Choose a pump that is at least one and one half times the head height for optimal performance. Select a pump based on flowrate and total head loss requirements. The water horsepower or minimum power required to run the pump equals where tdh is the total dynamic head in feet q is the flow rate in gpm and sg is the specific gravity 1 for water. To determine the size pond pump first you need to calculate the volume of water in the pond.

This is the size of the actual outlet on the pump. For more noise and white water from your falls increase the flow rate to 200 gallons per hour per inch of waterfall width. The size of your pump directly affects the appearance of water features like fountains and waterfalls. Water feature pumps are typically high flow and low pressure.

If you want to include other components like extra filters you ll need to account for them as well. Check to make sure that the pump will fit wherever you re going to be putting it. Enter the number of pipe fittings elbows tees. It is recommended that pond water is circulated at least once per hour.

But how do you figure out what size your water feature needs. The rule of thumb depending on just how much water you want coming out of the fountain is 100 gph per one inch diameter of fountain outlet. Larger capacity pumps are rated by horsepower hp. For example if your fountain is 30 inches tall find a pump with a maximum lift of 45 inches or more.

Waterfall flow rates for waterfalls and streams your pump should pump at least 100 gallons per hour for every inch wide the waterfall is. For simplicity we ll stick to setups where the water feature is the only thing connected to the pump. To calculate the volume of water in gallons simply multiply the length x width x average depth x 7 5.