Rachio Wireless Flow Meter Tech Specs

What is the Rachio Wireless Flow Meter?

The Rachio 3 Smart Water System pairs leading smart sprinkler control with the precise flow monitoring of the Rachio Wireless Flow Meter to avoid catastrophic leaks and gain insight into your outdoor water use. The Flow Meter detects broken heads, ruptured pipes, and even low-flow leaks with highly-sensitive, state-of-the-art Vortex technology and is able to issue notifications for leaks and blockages (and even trigger instant zone shut-off when leaks are detected!).

To experience the Wireless Flow Meter’s effortless pairing with Rachio 3, preorder the Rachio 3 Smart Water System here!

Learn how to install the Rachio Wireless Flow Meter in under 1 hour! 


  • Wireless communication to Rachio 3 controller for easy, low cost installation
  • No moving parts; safely blow out through the sensor
  • Compatible with copper or PVC pipe
  • Long battery life
  • High accuracy




Flow Range

0.5 - 25.0 GPM (0.1 GPM resolution)


RANGE 1.0 to 20.0 GPM: +/- 5% of reading

RANGE 20.1 to 25.0 GPM: Usable Over-range; Accuracy Not Specified 

RANGE 0.5 to 0.9 GPM: Leak Detect Range; Flow can be detected but accuracy not specified 

RANGE 0.1 to 0.5 GPM: Flow cannot be detected, no usage will be reported.

Pressure Loss at 20GPM

<1.5 PSI

Burst Pressure

350 PSI

Operating Temperature

32F to 120F

Meter Body Material



Two AA batteries

Battery Life

>2 seasons in typical use case

Wireless Range

330 ft open air; 75 ft underground


The Wireless Flow Meter is not designed for potable water use and must be installed after a backflow preventer device.


Do you have a Rachio Wireless Flow Meter installed in your system? The flow meter is built for durability and can safely withstand winterization, blowout, and system maintenance. No need to mess with it once it's installed - carry on with winterizing as normal!

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