EPA WaterSense

Products to encourage water efficiency

What is EPA WaterSense?

Making Every Drop Count

WaterSense is a partnership program sponsored by the U.S. Environmental Protection Agency (EPA) designed to encourage water eciency. By identifying water efficient products and services, WaterSense makes every drop count.

Did You Know?

Some states require pressure regulating sprays.

All spray sprinkler bodies sold into the following states will require pressure regulating stems (PRS) and EPA WaterSense certification on and after the dates listed below.

July 1, 2020
October 1, 2020
January 1, 2021
January 1, 2021
January 1, 2021
Pressure regulation isn’t just for spray bodies.

See how Rain Bird's PRS technology works in rotors and valves too!

University of Arizona Study Proves the Power of PRS

Rain Bird’s patented Pressure Regulating Stem (PRS) technology provides significant water savings, cost savings, and improved performance vs. non-PRS systems.

Click the links below to see how much you can save!

1800 Series pop-up spray head with Rain Bird® Flow Optimizer™ Technology and Seal-A-Matic™ Check Valve

4 in. 1800 Series SAM-PRS Spray Head


  • 1804SAMPRS - 4 in. 1800 Series SAM-PRS Spray Head - No Nozzle
  • 1800 Series Spray Heads have provided unmatched durability, reliability, and performance.

The Rain Bird ST8I Smart Irrigation WiFi Timer places control of your sprinkler system in the palm of your hand

Compatible with: Amazon Alexa, Apple iOS 8 or greater, and Android 4.4 (KitKat) or later

WiFi Timers

  • ST8I-2.0, 8-Zone Smart Irrigation WiFi Sprinkler Timer (indoor)
  • Stay in touch with your yard using the new ST8i indoor mounted controller from Rain Bird

The Rain Bird RD1800’s innovative design handles the thickest grit and most dramatic pressure variations with ease

The Rain Bird RD1800’s exclusive Triple-Blade Wiper Seal prevents stick-ups


  • RD04SP30F - 4 in. RD1800 Series Spray Head With SAM Check Valve, 30 PSI Pressure Regulator, Flow-Shield
  • The patented PRS pressure regulator built into the stem can help you save approximately one gallon per minute per spray

Learn More

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