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Backflow Preventor

Prevents water from flowing backwards through the system and potentially contaminating the drinking water. These are required in most cites if you are using potable (drinking) water in the sprinkler system. https://en.wikipedia.org/wiki/Backflow_prevention_device

Bleed Screw

Used to manually open the valve. https://en.wikipedia.org/wiki/Bleed_screw

Controllers and Timers

The “brain” of the system. Here you can program what days and times you want the system to operate. https://en.wikipedia.org/wiki/Controller_(irrigation)


A rubber, round part located inside that valve that creates the seal inside the valve, thus allowing or preventing water flow. http://www.rainbird.com/homeowner/education/glossary.htm

Flow Control

Located at the center of the valve, it will either fully allow or restrict the amount of water flowing through the valve. http://www.irrigationtutorials.com/irrigation-valves/

Funny Pipe

A flexible tube used to connect a sprinkler head to the lateral line. http://www.sprinkler.com/lawn-sprinkler-system-parts/pipe-tubing/funny-pipe-vs-poly-pipe

Gear-Driven Rotors

Common in medium to large scale systems, these water efficent, quiet, and typically require less maintenance. http://www.sprinklerwarehouse.com/DIY-How-to-choose-a-sprinkler-head-s/7027.htm

Impact Rotors/Sprinklers

These are typically nosier, more expensive, and high maintenance than other rotors. However, they usually last longer due to their heavier construction. https://en.wikipedia.org/wiki/Impact_sprinkler

Lateral Lines

Carry water from the valves to the sprinkler heads. http://www.irrigationtutorials.com/sprinkler-system-lateral-pipes/

Main Line

Typically a 1 pipe that carries water from the stop and waste to the backflow preventor, and then to the valve mainfold. http://www.irrigationtutorials.com/irrigation-mainlines/

Pop-Up Heads

Sprinkler heads typically used in commercial and residential areas. http://davesgarden.com/guides/terms/go/1503/#b


The part of the valve that electronically opens and closes the valve. http://www.irrigationtutorials.com/irrigation-valves/

Sprinkler Heads

While there are several styles of sprinkler heads with different functions, their main function is the same. They’re main purpose is to spray water from the sprinkler lines out to the yard. http://www.sprinklerwarehouse.com/DIY-How-to-choose-a-sprinkler-head-s/7027.htm


The main shut off valve for the sprinkler system. It stops or starts water from entering the system. http://ntpud.org/sites/default/files/docs/hints/Stop%20and%20Drain.pdf


Like the heart of the sprinkler system, they open and close to allow water into the lateral lines. http://www.landscapeplanet.com/irrigation-3-sprinkler-valve.htm

Valve Manifold

Diverts water from the main line to the individual valves. http://www.landscapeplanet.com/irrigation-3-sprinkler-valve.htm


Wires inside the system that carry the electrical signal from the time to the valves. https://www.orbitonline.com/blog/sprinkler-wiring-done-right/