Underground sprinklers make up the vast majority of residential sprinkler systems. They offer two distinct advantages: They remain out of sight, relatively invisible and unobtrusive to the landscape design. They also remain underground when not in use and therefore out of the way of lawnmowers and other tools and machinery.
Underground sprinklers may be of the rotor or stationary variety. They are connected by a series of pipes buried underground and connected to a main control box where an electric timer controls the release of water to the system. When the water (pressure) is released, it pushes the sprinkler head up above ground and the landscape, lawn, or garden is watered. When the time is up the water supply is cut off and a spring pulls the sprinkler head back underground.
Underground sprinkler systems are a common DIY project for homeowners tired of dragging the sprinkler and hose around. Yet it requires some careful thought and planning, not to mention a good portion of time. That is why many homeowners choose professional help, especially for large lawns or complex landscaping.
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