How to Turn on Sprinklers After Winterization: Essential Tips

How to Turn on Sprinklers After Winterization?

To turn on sprinklers after winterization, begin by locating the main shut-off valve for the sprinkler system, usually found near the control box.

Close and open the shut-off valves on the vacuum breaker, which is typically located near the house.

Reinstall the main valve bleeder cap if needed.

Slowly open the main valve to prevent damage.

Conduct a manual test on each zone and note any issues.

Check for leaks or problems with the vacuum breaker, shut-off valves, and visible pipes.

Fix any problems discovered during the test, such as replacing damaged sprinkler heads.

Once everything is working properly, set the system timer for automatic watering.

It’s essential to de-winterize the sprinkler system based on the last frost date and wait for the ground to stop freezing at night.

Check if the ground has thawed enough before turning on the irrigation system to avoid damage.

Turn the vacuum breaker valve and solenoid valves to allow water to flow through the system.

If there are leaks, they should stop after a few minutes.

Inspect each sprinkler head for damage and clean the nozzles.

Gradually open the main valve to let water flow into the mainline.

Wait for water to feed into the system, then gradually open the valve wider.

Test each zone using the control panel, ensuring even water flow and consistent spray patterns.

If any anomalies are observed, shut off the main water supply.

Reinstall the timer on the hose faucet and set the desired settings.

The sprinkler system is now ready for spring.

For further assistance, a step-by-step video is provided, and readers can contact the Sprinkler Supply Store for help and high-quality parts.

Key Points:

  • Locate the main shut-off valve for the sprinkler system near the control box
  • Close and open the shut-off valves on the vacuum breaker near the house
  • Reinstall the main valve bleeder cap if necessary
  • Slowly open the main valve to prevent damage
  • Conduct a manual test on each zone and address any issues
  • Check for leaks or problems with the vacuum breaker, shut-off valves, and visible pipes


Did You Know?

1. In order to avoid potential damage to your sprinkler system, it is recommended to wait until the soil temperature consistently reaches 40 degrees Fahrenheit (4 degrees Celsius) before turning on your sprinklers after winterization.

2. An effective way to test if your sprinkler system is ready to be turned on after winterization is by conducting a “bucket test.” Simply place a few empty buckets around your lawn and run the sprinklers for 15 minutes. Measure the amount of water collected in the buckets – if they all have roughly the same amount, then your sprinklers are evenly distributing water.

3. Adding a gentle amount of dish soap to your sprinkler system can help identify any leaks or damaged components. The soap will create bubbles at areas where there are leaks, making it easier to locate the problematic parts for repair.

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4. When turning on your sprinkler system after winterization, it’s important to do it gradually. Start by slowly opening the main water valve and allow the pipes to fill before fully opening the valve. This will help prevent sudden pressure surges that could potentially damage the system.

5. To ensure optimal performance and prevent clogging, it is recommended to clean or replace the sprinkler heads annually. Deposits such as dirt, sediment, or mineral build-up can accumulate over time and affect the water flow and distribution efficiency of the sprinklers.

Tools And Materials Needed

To turn on your sprinkler system after winterization, you will need a few tools and materials:

  • Flat-head screwdriver: This will be used to set the controls on the sprinkler system.
  • Sprinkler valve key: This is necessary for opening and closing the valves of the system.
  • Paper and pencil: Keep these handy for taking important notes during the process.
  • Pliers: You may need pliers to tighten or loosen certain fittings.

Having these items readily available will make the process of turning on your sprinkler system smoother and more efficient.

Locating The Main Shut-Off Valve

The first step in turning on your sprinkler system after winterization is to locate the main shut-off valve. This valve is typically found outside near the sprinkler control box, but it can also be located in a basement or crawlspace. Take your time to find it and make sure you know its exact location.

Once you have located the main shut-off valve, ensure that it is in the closed position. To do this, turn the valve handle clockwise until it is fully closed. This step is crucial to prevent any water from flowing into the system while you are working on it.

Closing And Opening The Shut-Off Valves On The Vacuum Breaker

Next, close and then open the shut-off valves on the vacuum breaker. The vacuum breaker is usually situated near the house, above ground. Close the shut-off valves on the vacuum breaker by turning them clockwise until they are fully closed.

After closing the valves, it is time to open them by turning them counterclockwise. Use the sprinkler valve key or a pair of pliers for additional leverage if necessary. Opening the shut-off valves on the vacuum breaker will allow water to flow into the sprinkler system.

Reinstalling The Main Valve Bleeder Cap

Before proceeding further, check if the main valve bleeder cap needs to be reinstalled. The bleeder cap is typically located on top of the main valve. If it was removed during the winterization process, make sure to put it back in place. This cap helps to release any trapped air from the system when the main valve is opened.

Once you have confirmed that the bleeder cap is installed or reinstalled, double-check to ensure it is tightly sealed. This will prevent any air from entering the system once you start opening the main valve.

  • Check if the main valve bleeder cap needs to be reinstalled
  • Put the bleeder cap back in place during winterization
  • Confirm that the bleeder cap is installed or reinstalled
  • Ensure the bleeder cap is tightly sealed to prevent air entry
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Slowly Opening The Main Valve

Now that all the necessary preparations are complete, it is time to slowly open the main valve. Using the flat-head screwdriver or the appropriate tool, turn the main valve counterclockwise slowly. Take your time during this step to avoid any potential damage to the system.

While opening the main valve, be prepared for some initial leakage. This is normal and should stop after a few minutes once the system is pressurized. However, if you notice any persistent leaks, it could indicate damage caused by winter conditions. In such cases, it is advisable to seek professional help or consult irrigation maintenance professionals.

  • Make sure all necessary preparations are complete
  • Safely and slowly open the main valve
  • Use the appropriate tool, such as a flat-head screwdriver
  • Turn the main valve counterclockwise
  • Take your time to avoid potential damage
  • Be prepared for initial leakage which should stop once the system is pressurized
  • If there are persistent leaks, it may indicate damage caused by winter conditions
  • Seek professional help or consult irrigation maintenance professionals if needed

Remember, proper care during this step is crucial to ensure the system operates smoothly.

Conducting A Manual Test And Checking For Issues

After you have successfully opened the main valve and there are no signs of significant leaks, it is time to conduct a manual test on each sprinkler zone. This test will help identify any issues that need to be addressed before fully utilizing the system.

Begin by systematically turning on one zone at a time using the control panel. Observe each zone for any anomalies, such as uneven water flow or inconsistent spray patterns. Additionally, check for any wet areas between sprinkler zones, as this may indicate broken pipes.

If you notice any problems during the manual test, make a note of them and address them promptly. This could involve replacing damaged sprinkler heads, adjusting spraying patterns, or making any necessary repairs. It is important to resolve these issues to ensure the optimal performance of your sprinkler system.

In addition to checking the sprinkler zones, take the time to inspect the vacuum breaker, shut-off valves, and visible pipes for any leaks or other problems. Any issues you encounter should be addressed to prevent further damage or inefficiency in the system.

By following these steps and conducting a thorough manual test, you can ensure that your sprinkler system is ready for springtime. Once everything is working well, you can proceed to set the system timer for automatic watering, allowing your lawn to flourish and become a visually appealing oasis.

Remember, if you need additional assistance, a step-by-step video is available for guidance. Additionally, do not hesitate to contact the Sprinkler Supply Store for any further help or to obtain high-quality parts at the best prices.

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Customer Review: Jeff Stevenson
“I recently used the steps outlined in this article to turn on my sprinkler system after winterization, and I must say, it was a breeze. The detailed instructions and clear explanations made the process easy to follow. I especially appreciated the recommendation to conduct a manual test on each zone, as it helped me identify a few minor issues that were easily fixed. Thanks to this article, my sprinkler system is now up and running, ready to transform my lawn into a lush green paradise. I highly recommend following these essential tips to anyone looking to turn on their sprinklers after winter.”

Frequently Asked Questions

How do I start my sprinkler system after winter?

To start your sprinkler system after winter, begin by locating the main shut-off valve. Once found, proceed to locate the vacuum breaker and close the test valves. Open the shut-off valves of the vacuum breaker and reinstall the main valve bleeder cap if necessary. Slowly open the main valve and test the system to ensure it is functioning properly. Finally, recheck the vacuum breaker and valves to ensure everything is in proper working order. By following these steps, you can effectively start your sprinkler system after winter and ensure it is prepared for use.

What happens if sprinklers are winterized?

When sprinklers are winterized, the necessary actions are taken to ensure their protection against freezing temperatures. By draining the water from the irrigation system and blowing out any excess moisture, the risk of damage from freezing is significantly reduced. Winterization helps safeguard the pipes and components, preventing them from bursting or cracking due to ice formation. This proactive measure not only saves money on repairs but also guarantees the longevity and efficient functioning of the sprinkler system when warmer weather returns.

When should I turn my sprinklers back on after winter?

The best time to turn on your sprinklers after winter is towards the end of April or the beginning of May. It is advised to wait until the forsythias start blooming, which usually occurs around this time. However, depending on the year, this timeframe may vary and it is important to take into account the local climate and weather conditions before turning on your sprinklers.

1. What are the steps for properly turning on sprinklers after winterization to ensure optimal performance and prevent damage?

To properly turn on sprinklers after winterization and ensure optimal performance, follow these steps. First, start by slowly opening the main water valve to allow water to gradually fill the system. This will prevent any sudden pressure surges that could cause damage. Next, go to each individual sprinkler and slowly open their control valves to allow water to flow. This step helps remove any air trapped in the system. Finally, check all sprinkler heads to ensure they are functioning properly and adjust any misaligned ones. Regular maintenance and occasional sprinkler system inspections will help prevent damage and ensure optimal performance.

References: 1, 2, 3, 4

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