![Responsive image](https://d3d71ba2asa5oz.cloudfront.net/12045536/images/90839-bundle-1750.jpeg)
The Claber 90839 RF Hydro 4 is a single watertight timer with built-in battery-powered time and four solenoid valves. This version of the Hydro-4 is controlled remotely by Radio Frequency through the handheld controller (sold separately). The Hydro 4 can be installed above ground or underground and controls four irrigation lines. Hydro 4 is IP68 certified and set up for connection with the RF Rain Sensor. It is powered by two 1.5V AAA batteries, enough to last an entire season. Watering time per irrigation line is between 1 and 60 minutes, two programs for each line, and up to 4 watering cycles per line per program per day. 3/4" male connections on both the inlet and outlet sides. A watering flow rate of 25 litres per minute at 2.5 bar operating pressure. Operating pressure minimum 1 bar maximum 6 bar.