As temperatures drop and winter approaches, it’s crucial to prepare your irrigation system to withstand the colder months. Without proper winterisation, residual water left in pipes, valves, and sprinklers can freeze, expand, and cause significant damage. Taking the right steps now can prevent costly repairs and ensure your system is ready to function smoothly when spring returns.
Why is Winterisation Important?
Irrigation systems are designed to handle water flow efficiently, but when temperatures fall below freezing, any leftover water inside the pipes can solidify. Water expands when it freezes, which can lead to cracked pipes, burst valves, and damaged sprinkler heads. Proper winterisation removes this risk by clearing out water and securing system components against the cold.
How to Winterise Your Irrigation System
Turn Off the Water Supply
Start by shutting off the main water supply to your irrigation system. This prevents additional water from entering the pipes, reducing the risk of freezing.
Drain the System Completely
Removing all water from your irrigation lines is the most critical step. There are three main methods to do this:
- Manual Drain Method – If your system has manual drain valves, open them to let the remaining water escape.
- Automatic Drain Method – Some systems have automatic drain valves that release water when the pressure drops.
- Blow-Out Method – This involves using compressed air to force any leftover water out of the pipes, ensuring they are completely dry. This is best done by a professional to avoid damage.
Insulate Key Components
Protecting exposed parts of your system is essential. Wrap above-ground pipes, backflow preventers, and valves with insulation tape or covers designed for winter protection. This helps keep them from freezing in harsh conditions.
Shut Down the Controller (If Applicable)
If your system is controlled by a timer, switch it off for the season. Some smart irrigation controllers have a winter mode, which can help prevent unnecessary system activation during freezing weather.
Inspect & Maintain Before Spring
Before restarting your system in spring, check for leaks, cracks, or any winter-related damage. A professional inspection can ensure everything is functioning correctly before the new growing season begins.
Benefits of Winterisation
- Prevents costly freeze damage – Protects pipes, valves, and sprinkler heads from cracking due to frozen water.
- Extends the life of your irrigation system – Proper care ensures longevity and reliability year after year.
- Saves money on repairs – A well-maintained system reduces the need for expensive fixes and replacements.
- Ensures a smooth start in spring – Your system will be ready to work efficiently as soon as warmer weather arrives.
Let Us Handle Your Winterisation
Winterising an irrigation system requires attention to detail, and improper methods can lead to damage. At Eagle Irrigation, we provide professional winterisation services, ensuring your system is fully protected throughout the colder months.
Prepare now and avoid springtime surprises—contact us today to schedule your irrigation winterisation service!
