Enjoy all the benefits of comprehensive weather station data without having to install and maintain a weather station.
ET stands for Evapotransiration which means the transfer (or evaporation) of water from
earth up into the atmosphere. For irrigation purposes this is bad news! To solve
this problem on a wide scale, Rain Bird developed the ET manager. The ET
manager works with almost any controller on the market (even non-Rain Bird
It works by communicating hourly to local weather stations
to manage your watering schedule. Preventing the system from watering too much
or too little. The ET does all the math and calculations for you! It can even
be further improved by adding an on-site rain weather sensor. Includes ET scheduler software free with controller.