Orbit sprinkler valve3/8/2023 During installation, irrigation wires are run in the same trenches as the pipes: one wire from the control unit to each of the valves. Unless a sprinkler system or irrigation system is entirely manual-meaning the user turns it on and off by hand-the valves in the system will be automatic, usually via a central control unit. Some communities require anti-siphon valves, which are easy to test because they’re located above ground, while others permit inline valves and separate backflow preventers. The best type of valve for a specific sprinkler system will depend on local codes. The best anti-siphon irrigation valve is easy to access and made from high-quality materials. They serve to prevent the sprinkler system’s potentially contaminated water from flowing backward into the home’s drinking water supply. Anti-siphon: While inline valves are usually buried, anti-siphon valves, also called backflow preventer valves, are installed above ground.Inline valves do not prevent the flow of water backward, so the sprinkler system will also need a separate backflow preventer to protect the home’s drinking water. These valves are installed at the same level as the buried sprinkler water lines, hence their “inline” designation. Inline: Most inline valves are located below ground in a valve box that protects them from dirt and offers a bit of insulation from cold weather.Different options are available within those two types, but most valves are inline valves. The two main types of sprinkler valves are inline and anti-siphon. Many systems, but not all, also feature a main control unit with a programmable timer that acts as the system’s brains and communicates with the valves (via an irrigation wire) to disperse water to different areas of the yard. Residential sprinkler systems are straightforward setups that need four main components to operate: a source of water, piping, sprinkler valves, and sprinkler heads. BEST GLOBE VALVE: Hunter Sprinkler PGV101G Globe Valve.
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