• Pentair 011017 IntelliFlo VS+SVRS High-Performance 230-Volt 16 Amp Pool Pump
The Pentair IntelliFlo VS and SVRS high-performance pool pump is ultra-quiet. Just 7 to 10 decibels, or half a human whisper. Its onboard computer and intelligent software automatically calculates and programs the minimum flow requirements for every pool to optimize performance and minimize energy use. It allows programming for 4 different speeds for different pool, spa or water feature applications. By dialing in the minimum speed required for a task, the pump works less and uses less energy. Pump speeds are easily adjusted with the push of an up or down arrow button. As functions/tasks change, IntelliFlo self-adjusts to maintain optimal flow rates for further energy savings. Built-in diagnostics protect the IntelliFlo pump from the most common causes of premature failure - overheating, freezing and voltage irregularities (SVRS model includes priming protection as well) IntelliFlo Variable Speed pumps combine variable drive technology, onboard digital intelligence, and permanent magnet motors (used in hybrid cars) to reduce pump-related energy costs by up to 90-percent. It features a built-in safety vacuum release system to automatically detect drain blockage and shut the pump off.
  • The Pentair intelliflo high-performance pool pump is ultra-quiet and comes with 4 variable speeds to save up to 90-percent of the energy costs
  • Built-in diagnostics protect the intelliflo pump from the most common causes of premature failure; overheating, freezing and voltage irregularities
  • Compatible with intellitouch, easytouch , and suntouch pool control systems; easy to program and operate
  • Features a built-in safety vacuum release system to automatically detect drain blockage and shut the pump off
  • Ability to program exact pump speeds for specific operation such as filtering, heating, cleaning, spa jets, water features, and more

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Pentair 011017 IntelliFlo VS+SVRS High-Performance 230-Volt 16 Amp Pool Pump

  • Brand: Pentair
  • Product Code: 011017
  • Availability: 20
  • $1,790.88



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Dynamic Head

The effect of the Earths gravity on the "lift" or head pressure is fairly simple; for every vertical foot of distance the pump moves the water you are adding one foot of head pressure so the ratio is a 1:1 ratio. The effects of the friction, caused by water as it travels through your hose or pipes, on the total head pressure is a little more difficult to calculate especially as there are slight variations in pipe friction in different hose materials and the smoothness of the inner bore. Basically. for every ten feet of pipe through which the water has to travel travel horizontally will contribute 1 foot of head height; the ratio of the pipe friction loss is a 10:1 ratio.

Plumbing fixtures and bends and corners in your hose also increase the total head you must calculate to ensure the proper final volume from your pump. Every corner with a 90 degree elbow in your plumbing will add 1 foot of head pressure  with a 1:1 ratio. 45 degree elbows, tees and even insert couplers can all have an impact on the final flow.

If you install a pump 40 feet away from the top of your waterfall which is 6 feet above the pump and the tubing is a single run of 40 feet horizontally then you add 4 feet of head for the tubing length (the 10:1 ratio) to the 6 foot differnetial between the pump location and the final height of the waterfall so your final total dynamic head calculation would be 10 feet. This means your final volume of water flow in this water feature or application would be the volume of flow on the performance curve that equaled the gallons per hour at 16 feet. This volume will certainly be much less than the initial volume the pump can move at an open flow or a zero head.

If in the above example your 40 feet of horizontal tubing run also required 3 elbows of 90 degrees then an additional 3 feet of theoretical head would be added and your final flow result would be at 19 feet on the performance curve of the pump. In this example you would want to choose a pump that has the desired GPH rating at 9 feet of head pressure.  Tubing size is also an important factor in accounting for head pressure loss, in general you should never reduce the diameter of the tubing below what the output size of the pump is, this will drastically increase head pressure, and reduce pump performance.  For maximum pump performance, using the largest tubing that is practical is the best choice. A best practice is to use a hose with an inner diameter that is the same as your pumps outlet fitting.