How do sprinklers work?

Question

How do sprinklers work?

Answer 1

Just in general terms.....Reticulation...consisting of plastic piping from the water supply to each sprinkler....then power to the Retic system program to tell it when to run & how long for....power also supplies a solenoid at each sprinkler which is basically an electronic valve that remains closed until it gets a voltage signal from the system program to open & run.....The sprinkler itself is relying on that solenoid valve to run or not....

Answer 2

fire sprinklers or lawn sprinklers?