Notice your sprinklers struggling to keep up? The pressure suddenly taking a drop in your sprinkler system can allow the lawn to lose moisture and start looking thirsty. While it’s frustrating, this is a common issue with several possible causes.
The good news is, with a little know-how, you can identify what’s behind the pressure loss and get your sprinklers back on track, keeping your yard green and healthy.
Common Causes of Sprinkler Pressure Loss
Several factors can cause your sprinkler system to lose pressure. Knowing what to look for will help you get your system back in shape quickly!
Clogged Sprinkler Heads
Dirt, grass clippings, and other debris can build up inside the sprinkler heads, blocking water flow and reducing pressure. If certain areas of your yard seem under-watered, this is one of the first things to check.
Leaks in the System
Even small leaks in pipes or connections can lead to significant pressure loss. Walk around your yard and look for puddles or soggy areas—these could be signs of leaks that need attention.
Backflow Preventer Issues
A malfunctioning backflow preventer can restrict water flow, causing pressure drops throughout the system. If your system has one, it’s worth inspecting to make sure it’s functioning properly.
Water Supply Problems
Low water pressure at the main supply line or within the municipal system can affect how well your sprinklers work. In some cases, the issue may not be with your sprinkler system at all, but with the water source.
Valve Malfunctions
Valves that aren’t opening fully or are stuck can limit water flow and reduce pressure. Inspecting the valves in your system could help identify if one is the culprit behind the pressure drop.
Troubleshooting Sprinkler Pressure Problems
If you’ve noticed a drop in pressure, there are a few things you can do before calling in a professional.
- Check for Visible Leaks – Walk the length of your sprinkler system and look for any obvious signs of leaks—such as damp spots, puddles, or water bubbling up from the ground.
- Inspect the Sprinkler Heads – Make sure the heads are clear of debris and in good condition. If they’re clogged or damaged, clean or replace them to restore normal pressure.
- Test the Water Pressure – Use a water pressure gauge to check the pressure at your home’s main water supply. If the reading is below the recommended range, this may indicate a larger issue with your water supply.
- Look for Valve Issues – Check your system’s valves to make sure they’re fully open and not stuck. If a valve isn’t opening properly, it could be restricting water flow.
Preventing Future Pressure Loss
Maintaining your sprinkler system regularly is the best way to prevent pressure loss and avoid unexpected repairs. Here are a few key actions to keep your system running smoothly:
- Perform regular system checks for leaks, clogs, and broken parts
- Adjust the system seasonally to match water needs and weather conditions
- Test the water pressure periodically to catch any early signs of trouble
Other Recommended Maintenance
- Inspect pipes for cracks or damage that could lead to pressure problems
- Clean and adjust sprinkler heads to ensure proper water coverage
- Monitor water flow and pressure to avoid bigger issues down the line
When to Call a Professional
Certain sprinkler issues need professional expertise to avoid long-term damage or costly repairs. If any of these situations arise, it’s best to reach out to an expert:
- If you can’t locate the source of the pressure drop, there could be an underground leak that’s difficult to detect or fix without specialized tools.
- Persistent low pressure across multiple zones often indicates a more complex issue involving valves, pipes, or the main water supply.
- Stuck, partially closed, or damaged valves can cause severe pressure loss and may require professional replacement or adjustment.
- If you’ve followed troubleshooting steps and pressure issues remain, a professional inspection is crucial to prevent further damage.
Conclusion
It’s frustrating to suddenly lose pressure in your sprinkler system, but knowing what to look for and how to address the issue can make all the difference. Staying on top of regular maintenance and calling a professional when needed will ensure your system keeps your lawn looking its best.
If you need expert help diagnosing or fixing your sprinkler system, reach out to America’s Choice Inspections. We’re here to help keep your home in top shape – your sprinklers are no exception.