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         Irrigation Consulting
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Part 1:  COMPARING THE COST EFFECTIVENESS OF IN-STEM FLOW REGULATORS (IFR)  vs. OTHER WATER CONSERVATION METHODS 

     IFRs  - The World's Only Water Saving Sprinklers and Parts!!

The following chart was prepared by the water use division of Orange County (CA) for the Municipal Water District's Water Use Efficiency Master Plan.   It compares 30 water conservation technologies, methods and products in use throughout the Metropolitan Water District's Southern California region and likely throughout the entire western United States.  Note at the top of the chart, the LittleValve In-Stem Flow Regulator proved to be the most cost-effective way to save water.  An interesting side note is that no. 4 out of 30 costs over double the $ 91.00 it costs IFRs to save an acre foot of water

Not only do In-Stem Flow Regulators save water, they are the most economical way to save that water.

Part 2. COMPARISONS vs. THE COMPETITION

PRN/Little Valve Combo

Distance Range: 20 - 28 feet down to 18 inches
Arc range: 45° - 270°

           The ultimate in high-efficiency irrigation.  No other sprinkler is comparable.

          Look below to see the number of female radius nozzles you DON'T need when you have a LittleValve part and 2 female PRNs -
just one adjustable model and a full circle model.

ROTARY NOZZLE DISTANCE/ARC COMPARISON GUIDE

Comparison Guide
ONE LittleValve part and 2 Female PRNs
eliminate 121 Rain Bird and Hunter radius nozzles

   [along with all Pressure-Regulating stems and pressure-compensating screens]

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