• Timer – Refers to the ‘hose-end’ models of controllers. These units will attach to a standard hose faucet and either have a valve built-in or use specialized valves.
  • Hose-end – This term refers to the threads of a standard outdoor faucet, which is a ¾ inch male hose thread. All ‘timers’ are designed to attach to the standard faucet, hence the term hose-end timer. This can also refer to Hose-end accessories like above-ground sprinklers, handheld spray nozzles, misting systems, etc.
  • Controller – Refers to units that connect to a valve manifold system. These systems can be either AC or DC and it is important to match valves and controllers to the same current.
  • AC aka ‘Alternating Current’. Alternating current describes the flow of charge that changes direction periodically. As a result, the voltage level also reverses along with the current. AC is used to deliver power to houses, office buildings, etc.
  • DC aka ‘Direct Current’. Direct current is a bit easier to understand than alternating current. Rather than oscillating back and forth, DC provides a constant voltage or current.
  • Wi-Fi – This feature allows you to connect to your controller from anywhere via the internet.
  • Bluetooth – This feature allows you to connect to your timer/controller via your smartphone or tablet but usually only within about a 30-100 foot range from the device.
  • Start times per day  This is the number of times per day you will be able to water.
  • Zones or Stations This represents the number of independent watering zones you have. Each valve is a station that provides water to an irrigation zone.
  • PSI aka Pounds per Square Inch – PSI is what we use when referring to water pressure. You will see PSI mentioned in just about every application of an irrigation system.

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