Irregular pressure in your garden reticulation system?

This can be caused by several factors, including mechanical issues, blockages, leaks, or even external factors like water supply inconsistencies. Here are some of the most common reasons:

1. Blocked or Clogged Pipes & Sprinklers

• Dirt, sand, or mineral buildup can partially block pipes, valves, or sprinkler heads, reducing flow in some areas while keeping others normal.

• Check for clogged filters or nozzles and clean them out.

2. Leaks in the System

• If there’s a break or leak in the pipes, pressure will drop in certain stations, leading to uneven watering.

• Look for soggy patches in your garden or listen for hissing sounds from underground leaks.

3. Incorrect Valve Operation

• A faulty solenoid valve (which controls water flow to each station) may not be opening fully, reducing pressure in that zone.

• Check the wiring and operation of the solenoid to ensure it is functioning correctly.

4. Pump Issues (If Using One)

• If your reticulation system relies on a pump, inconsistent pressure might be due to a failing or incorrectly sized pump.

• Ensure the pump is running efficiently and that the intake is not obstructed.

5. Water Supply Issues

• If you're connected to mains water, fluctuating supply pressure (especially during peak usage times) can affect your stations.

• If using a bore, check if the water table has dropped or if the bore pump is struggling to supply enough water.

6. Too Many Sprinklers on One Station

• If a zone has too many sprinklers connected, there might not be enough pressure to operate them effectively.

• Try reducing the number of sprinklers per station or upgrading to a larger pipe size.

7. Airlocks in the Pipes

• Air trapped in the pipes can cause inconsistent pressure.

• Running the system and opening end points to let the air escape can help.

8. Pressure Regulator Issues

• Some systems have pressure regulators to maintain even pressure. If these fail or are incorrectly adjusted, some stations may get too much or too little pressure.

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