Frequently Asked Questions: Controllers
PROGRAM - A program is information the user enters into the timer’s memory that determines when the system will water. A program for an automatic sprinkler timer contains three pieces of information: what days to water, what time to start watering all zones, and how long each zone will water. 

STATION - A term used when discussing controllers. Sprinklers in a watering zone are connected by pipe to a valve, which is wired to a station on the controller. A 6-station controller (also called a timer) can control from one to six valves. They are also referred to as a “zone”.

TIMER - The timer sends a low voltage signal to the valve, which will then open for a predetermined amount of time allowing water to flow to the sprinklers. Hydro-Tech uses modular controllers which allow for easy expansion of your sprinkler system.

WIRE - In an automatic sprinkler system, low voltage direct burial wire is used to connect the automatic control valves to the controller. The most frequently used wire for the home sprinkler system is multistrand. Color-coded, multi-strand sprinkler wire has several coated wires together in one protective jacket. It is a good idea to install extra wires for future expansion of the system.

Glossary of Terms
CONTROLLERS
Also known as a timer, the part of an automatic sprinkler system that determines how often your system shall run as well as how long each of the individual zones will run for. Hydro-Tech will be able to recommend the perfect controller for your needs.
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SPRINKLER TYPES
There are several different types of sprinklers that are common in irrigation systems. The most commonly used sprinkler heads include gear drive rotors for large lawn areas, 4” lawn spray heads for small lawn areas and 12” shrub spray heads for your planting beds. 
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VALVES & PIPES
There are many different types of valves and pipes that can be associated with a sprinkler system. Most piping in our systems is either copper (inside) or PVC pipe (in ground). The two main types of valves include a shut-off valve for the entire system and remote zone valves that are operated by the controller. 
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