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2. Irrigation controller - Wikipedia

   en.wikipedia.org/wiki/Irrigation_controller

   An irrigation controller is a device to operate automatic irrigation systems such as lawn sprinklers and drip irrigation systems. Most controllers have a means of setting the frequency of irrigation, the start time, and the duration of watering.

3. Irrigation sprinkler - Wikipedia

   en.wikipedia.org/wiki/Irrigation_sprinkler

   An oscillating sprinkler is commonly used to water residential lawns, and is moved as needed. Home lawn sprinklers vary widely in their size, cost, and complexity. They include impact sprinklers, oscillating sprinklers, drip sprinklers, underground sprinkler systems, and portable sprinklers. Permanently installed systems may often operate on ...

4. Sprinkler system timer - Wikipedia

   en.wikipedia.org/wiki/Sprinkler_system_timer

   A sprinkler system timer is an electrical device that is used to set an irrigation sprinkler system to come on automatically at a certain time. Irrigation timers first appeared in the early 1960s to control large-radius lawn sprinklers, which at the time usually contained their own electrically operated valve (most golf-course sprinklers still use this type of actuation).

5. Irrigation - Wikipedia

   en.wikipedia.org/wiki/Irrigation

   Most automatic systems employ electric solenoid valves. Each zone has one or more of these valves that are wired to the controller. When the controller sends power to the valve, the valve opens, allowing water to flow to the sprinklers in that zone. There are two main types of sprinklers used in lawn irrigation, pop-up spray heads and rotors.

6. Pulse drip irrigation - Wikipedia

   en.wikipedia.org/wiki/Pulse_drip_irrigation

   The system requires a minimum of 170 kPa (25 psi) water pressure to run efficiently. Maintaining the integrity of a pressurized water supply is of critical importance. Leaks in the piping can run up substantial costs due to the long duration of the watering periods. Close attention to the watering cycles is needed to avoid salt build up in the ...

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