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5 Easy Steps to Calculate Water Savings

Example of Estimated Water Savings Using Rain Bird 1800-PRS Spray Heads

EXAMPLE

Calculate your estimated savings:
Step 1:	Enter the pressure at the nozzle:	psi (Example: 60)
Step 2:	Enter the GPM @ 30 psi:	GPM (Example: 14.82)
Step 3:	Enter the average watering time per day:	minutes/day (Example: 10)
Step 4:	Enter the average number of watering days per week:	days/week (Example: 4)
Step 5:	Enter the average number of watering weeks per year:	weeks/year (Example: 40)

Your estimated savings:
	Initial system waste:	GPM
	Yearly water savings:	gallons*

*Due to varying conditions, your actual water savings may be different. This formula is designed solely as a basis for estimating potential savings.

Example is based on a system with four zones total, and each zone is similar to the zone illustrated below:

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