Technical Information

Technical Information includes replacement guide, precipitation rates, height of spray, PLD charts, friction loss charts, wire data, wire sizing and others.

Decoder Design Guide

Two-wire decoder technology permits control of large irrigation systems by inserting waterproof decoder modules as needed in a  low voltage, direct burial two-wire path.

Design guide residential system

Hunter design guide is intended to be used when designing and installing small single family residential sprinkler systems. It is set up in an easy-to-follow format with illustrations and charts.

Drip irrigation design guide

There are many parts to a typical drip system, but a Micro irrigation system offers users the most value, including better control and water savings

Football Field Plan

These designs are “typical” layouts, realizing that there will be different field measurements in the real world applications.

Soccer Plan

Each of these designs has been created using a variety of Hunter products, depending upon the requirement of the field.

Baseball Field Plan

These Sports Field Irrigation Designs shows an automatic irrigation system for a baseball field by using I-20, I-25, I-40 Rotor.

Tennis Field Plan

Each of these designs has been created using Hunter products: I-25, I-40 Rotor depending upon the requirement of the tennis field.

Croquet Field Plan

Croquet is a sport that involves hitting plastic or wooden balls with a mallet through hoops embedded in a grass playing court.

Lacrosse Field Plan

Field lacrosse is a full contact outdoor men’s sport played with ten players on each team.

Multi-purpose Field Plan

These designs has been created using Hunter products: I-20, I-25, I-40 Rotor depending upon the requirement of the field.

Lawn bowling Field Plan

Lawn bowls is a sport played on a bowling green which may be flat (for “flat-green bowls”) or uneven (for “crown green bowls”).

Rugby playing field Plan

The rugby league playing field is the playing surface for the sport of rugby league football and is surfaced exclusively with grass.

Cricket Field Plan

A cricket field consists of a large grassy ground on which the game is played, this is ostensibly an oval though most cricket grounds.

Rotor Nozzle Installation

Insert the plastic end of the Hunter adjustment wrench into the lifting socket of the rotor and turn 90 degrees. Pulling up the riser will allow access to the nozzle port for installation.

Radius Adjustment

The radius adjustment changes the distance water is going to travel out of the nozzle. Fine tuning coverage in your system can sometimes require adjustments to a rotors radius.

Replacement Guide

Replacement guide: spray sprinklers and PGJ rotary sprinklers. Receive Hunter quality and Hunter performance with the right substitute for your non-Hunter sprinklers.

X-Core Controller Manual

With easy-to-configure control for up to 8 stations, including 3 programs and 4 start times each, the X-Core is the perfect solution for residential applications.

Pro-C Controller Manual

The Pro-C has proven to be the most reliable and robust controller in the industry, with the flexibility to expand on demand due to its modular design.

I-Core Controller Manual

The I-Core is Hunter’s controller for demanding commercial and high-end residential applications.  Adding a DUAL® two-wire module can even expand station capability to 48.

DUAL for I-Core Manual

DUAL is Hunter’s innovative two-wire plug-in for the I-Core controller. The DUAL system can operate up to 48 zones via a single pair of wires, at distances up to 2.3 km.

Node Controller Manual

For isolated sites and power-restricted areas, the Hunter Node is the smart, reliable solution. The Node mounts to a valve’s solenoid quickly and easily, and without screws, drills or additional wires.

Mini-Clik Sensor Manual

The Mini-Clik rain sensor provides the simplest, most effective way to prevent sprinklers from running during rainfall. The Mini-Clik stops scheduled irrigation when it’s rain.

Pump Start Relay Manual

When a system requires the use of a booster pump or pulls water directly from a creek or pond, Pump Start Relay (PSR) that can be counted on to activate the pump each and every time.


Loss of pressure

Rotary sprinklers require a certain amount of pressure and flow to operate properly.

Why has my rotor stopped rotating?

Age, excessive pressure, or poor water quality may eventually allow particles of contamination to enter the gear drive.

Wet area around my sprinkler

The most common reason is the lowest head on the zone drains residual water from the piping system out of the sprinkler.

Repair to fix leaking

Sandy soils, sunken heads, or extremely hot and cold temperatures may also cause a seal to wear out prematurely.

X-Core Troubleshooting Guide

This section will show you how to troubleshoot your X-Core controller.

Pro-C Troubleshooting Guide

This guide will show you how to troubleshoot your Pro-C irrigation controller.

I-Core Troubleshooting Guide

This guide will show you how to troubleshoot your I-Core irrigation controller.

DUAL Troubleshooting Guide

This guide will show you some faults, causes and corrective actions to troubleshoot your DUAL for I-core

NODE Troubleshooting Guide

This guide will show you problems, causes and solutions for your Node irrigation controller

ACC Troubleshooting Guide

This section will show you how to troubleshoot your ACC irrigation controller.