Find system’s main shut-off valve. … Find the vacuum breaker. … Close the vacuum breaker test valves. … Open the vacuum breaker’s shut-off valves. … Reinstall main valve bleeder cap (as needed). … Slowly open the main valve. … Test the system. … Recheck the vacuum breaker and valves.

How do I turn my sprinkler system back on after winter?

1. Find system’s main shut-off valve. …
2. Find the vacuum breaker. …
3. Close the vacuum breaker test valves. …
4. Open the vacuum breaker’s shut-off valves. …
5. Reinstall main valve bleeder cap (as needed). …
6. Slowly open the main valve. …
7. Test the system. …
8. Recheck the vacuum breaker and valves.

How do I open my sprinkler system in the spring?

Slowly open the main shutoff valve to let water into the sprinkler system. For a ball valve, turn the lever handle one-quarter turn until the handle is parallel to the pipe; this is the fully open position. For an in-ground shutoff valve, use a sprinkler valve key to turn the valve counterclockwise until it stops.

How do I manually open my sprinkler valves?

To open the valve manually, twist the manual bleed screw counter-clockwise until the valve opens. It usually doesn’t need to be more than one-half turn. To close the valve turn the manual bleed screw clockwise until the valve closes.

Why does my sprinkler system not turn on?

When the sprinkler zones do not turn on at all, it is generally a problem with the electrical signals running from the controller to the valve solenoids. More rarely, it is caused by a faulty valve that needs to be rebuilt or replaced.

How do I find my sprinkler master valve?

Start at that sprinkler and try to find the valve nearby. The cheapest and easiest way to find buried irrigation valves is often to probe the soil with a thin rod, such as a long screwdriver. Often you can estimate the rough location of the irrigation valve, then find a buried valve box by probing the ground.

Why are my sprinkler heads not popping up?

— When a sprinkler head is clogged with dirt or other debris, it will soon fail to rise completely out of the ground. … — A leak in the water line can cause low water pressure and keep water from flowing to the sprinkler head. If water doesn’t reach the sprinkler head, then it won’t pop-up out of the ground.

Why won't my sprinkler system turn on manually?

If your sprinkler system won’t turn on or if you have low water pressure, this could be caused by the valves not being turned on all the way. Just locate the valves and make sure they are both turned on (you should have 2 valves, one located on the horizontal pipes and one for the vertical ones).

What do you do with sprinklers in the spring?

1. Check Your Lawn for Frozen Ground. Before you take the first step toward dewinterizing, you need to make sure your lawn agrees that winter is over. …
2. Turn on Your Control Panel. …
3. Clean Your Sprinkler Heads. …
4. Slowly Open the Main Valve. …
5. Check Your Irrigation Zones.

Can you turn off a sprinkler head?

If you have a fire sprinkler system with a shutoff valve on the pipe that brings water to this system, you can turn off this valve. Doing so should stop water from flowing out of the sprinkler heads without shutting water off to other areas of your home.

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Why is there air in my sprinkler system?

When your irrigation system shuts down most of the water drains out through the emitters or any auto drain valves you might have installed and is replaced by air. Additionally, pumps can introduce air into the system. … Turbulence and water velocity increase dissolved air.

How do I know if my sprinkler valve is bad?

1. Water not turning Off: If you notice that water is not closing off from the sprinkler, then there seems to be an issue in the diaphragm valve. …
2. Leaks of water: …
3. Broken Sprinkler Head. …
4. Stuck Valve. …
5. Wiring: …
6. Irregular Watering:

How do you get a sprinkler head to pop-up?

If this is the case, all you need to do is turn on your sprinklers and then press the pop-up riser on the sprinkler head down with your foot so that it is pushed all the way back down into the body. Then, pull up to release the pop-up riser.

Why is my sprinkler valve stuck open?

Air Trapped in the Valve: The valves may have air trapped in them. A small bubble of air becomes trapped in the tiny water ports of the valve, this stops the water from flowing through the port. Since the water flowing through the port is what holds the valve diaphragm closed, the valve stays open.

How do you manually turn off a solenoid?

1. Grasp the body of the solenoid firmly and turn it counterclockwise at least a quarter turn. …
2. Turn the solenoid back the other way to shut off the water supply.

How do I find buried sprinkler heads?

Use a shovel to gently scrape the dirt from the area to find each buried head. Use a metal detector to find buried sprinkler heads. Many valves have metal parts you can locate by running the metal detector over the surface of the ground. Valves are located directly under sprinkler heads.

What is the master valve on a sprinkler system?

A master valve is a “normally closed” valve installed at the supply point of the main line that opens only when the controller initiates a watering program. Whenever one of the irrigation zone valves is told to open by the controller, the controller also signals the master valve to open.