Comparing Pumps Index

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Often the GPM (or GPH) is given at different pump heads. Now we can calculate the Creech Index for any pump. For example, let’s look at some of the publicly advertised pumps:

The Jacuzzi 2-speed SLR pumps are listed as follows:

  • 1 HP = 8.8 amps at 115 volts - the performance curves give 65 GPM at 27.5’ Ph

  • 1.5 HP = 12.2 amps at 115 volts - the performance curves give 73.5 GPM at 35’ Ph

  • 2 HP = 16.4 amps at 115 volts – the performance curves give 78 GPM at 43’ Ph

The Creech Index is 1.8 for all 3 pumps.

The Sequence 2 HP K661.111 lists the amps as 25; 

  • with 2100 GPH @ 82’ Ph; 

  • 4200 GPH at 74 Ph; 

  • 6300 at 62 Ph; 

  • and 8160 at 43’ Ph. 

The Creech Index computes as 1.0; 1.8; 2.3; and 2.0. It is not the same because the %Efficiency at 82’ Ph is half the efficiency at 43’ Ph; with its most efficient performance at 62’ Ph. This is important information. However, if we average the Creech Indexes for the Sequence 2 HP K661.111 it is 1.8, the same as the Jacuzzi pumps.

The Wave Pump lists their ¼ HP Model WP-4980 as requiring 2.5 amps at 115 volts with 4980 GPH @ 10’ Ph. Their Creech Index is 2.9. The Aqua Flow ¼ HP has a Creech Index of 2.7; the Sequence 1000 ¼ HP is 2.3.

The Superfalls 1/10 HP pump has a Creech Index of 0.2. The 5/8 HP Little Giant 4,100 GPH pump has a Creech Index of 0.8. The 3-phase 230 volt 1 HP variable horsepower Money Saver Pump® has a Creech Index of 3.0 for all HP’s including 3/4, 1/2, 1/4, 1/6, 1/8, & 1/10.

The Creech Index allows us to compare pumps and their energy efficiency, quickly and easily!

Here is a graph of the above CPI's. Click to enlarge it!

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Click to Enlarge!

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Click to enlarge this graph showing the amps drawn by some of the more popular pumps.

 

Money Saver Pumps Benefits Pricing Onsite Installation Programmable Remote Control Baldor Motors Pumps Savings 1 HP 3 HP 5 HP 10 HP 15 HP 20 HP 30 HP 50 HP 100 HP Irrigation Pumps Money Savings Environmental Pump Questions Solar Panels Fountains Waterfalls Press Release Brochure Pond Pump Design Industrial Pumps Become a Dealer Keyword Search Table of Contents

Flow rates up to 10,000 gpm at 100 feet of head!

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Money Saver Pumps™

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Denver, Colorado  80222     USA

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