
- Shut off the water to the sprinkler system. Clear the area around the valves to avoid getting anything inside the valve when it is open.
- Remove the solenoid from the valve body by turning it counterclockwise, and set it aside.
- Remove the screws that are holding the bonnet in place. Carefully remove the bonnet, spring, and diaphragm, taking note of how they are positioned so you can reassemble the valve ...
- Inspect the diaphragm for any tears or damage. Even minor damage can prevent the diaphragm from stopping the flow of water.
- Inspect the inside of the valve for small rocks or sand that may be obstructing the seal of the diaphragm.
- If it looks to be in good condition, reinstall the diaphragm. If it is damaged, replace it with a new one. ...
- Position the spring and bonnet back into place.
- Reinstall the solenoid by twisting it back on clockwise until it is hand-tight or it clicks into place.
- Turn the water supply back on—slowly at first so the pressure doesn’t damage the valve—and test the valve for leaks. Confirm that the valve turns on and off properly.
How to tell whether a sprinkler valve solenoid is bad?
There are a few common problems that happen is your sprinkler valve solenoid has broken, including:
- Never-ending water: The valve solenoid may get stuck open, allowing all or a trickle of water through at all times. ...
- Water leaks: High pressure from a broken solenoid can put a lot of stress on your sprinkler system and burst small or large leaks throughout it.
- Low water pressure: Low water pressure can be just as much of a problem. ...
How to replace your solenoid valve?
Part 1 of 1: Replacing the variable valve timing solenoid
- ¼” ratchet
- ¼” extensions - 3” and 6”
- ¼” sockets - metric and standard
- ⅜” ratchet
- ⅜” extensions - 3” and 6”
- ⅜” sockets - metric and standard
- Box of rags
- Bungee cords - 12”
- Channel lock pliers- 10” or 12”
- Dielectric grease-optional
How to replace solenoid sprinkler?
How To Replace Sprinkler Valve Solenoid. 1 unplug the rain bird control box so there is no power going to the valve wires. A problem with the plunger can prevent the solenoid from closing the valve when it’s time. Source : www.pinterest.com A sprinkler valve is a mechanism that controls the flow of water in ]
How to repair an irrigation solenoid valve?
How to Replace a Sprinkler Valve
- Turn off the power and water. To replace a solenoid sprinkler, turn off the water to the system and turn off electricity to the system at the control panel.
- Temove the solenoid connectors and assembly. Locate and open the valve box. ...
- Reattach the solenoid. ...
- Turn the power and water back on. ...

How do you know if a sprinkler solenoid is bad?
Signs You Have a ProblemThe Water Won't Shut Off. If you have this problem, it's very likely the solenoid. ... Low or Uneven Water Pressure. The solenoid controls the water pressure. ... Water Leaks. There are many points in a sprinkler system that can leak. ... Current Testing. ... Valve Inspection. ... Parts Replacement.
How do I fix a leaky solenoid valve?
1:424:50How to Troubleshoot and Fix a Broken Solenoid Valve - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the best thing to do if you're having an issue with your valve is to isolate your water. So you'MoreSo the best thing to do if you're having an issue with your valve is to isolate your water. So you'll have a bit ball valve or something similar here to stop the water from coming through.
How do you take apart a sprinkler solenoid?
0:493:34How to Replace a Sprinkler Valve Diaphragm - YouTubeYouTubeStart of suggested clipEnd of suggested clipIf the solenoid looks good then remove the screws securing the bonnet to the valve you. May alsoMoreIf the solenoid looks good then remove the screws securing the bonnet to the valve you. May also have a jar table valve that unscrews just as the name implies.
When should I replace sprinkler solenoid?
Signs that Your Sprinkler Valve Solenoid is BadNever-ending water: The valve solenoid may get stuck open, allowing all or a trickle of water through at all times. ... Water leaks: High pressure from a broken solenoid can put a lot of stress on your sprinkler system and burst small or large leaks throughout it.More items...•
Can solenoid be repaired?
If there is a plug on the solenoid valve, you may need to check the metal spring clip inside the socket. If this problem happens, modify the wire connection, repair or replace the plug or socket.
Why is my sprinkler solenoid leaking?
The common causes of sprinkler valve leaks include broken O-rings, excess pressure, start-up or shut-down problems, damaged valves, blocked distribution lines, and damaged sprinkler heads. To solve these, replace the O-rings, use cycling valves, seal pipe joints, remove clogs, and use new valves.
What causes a sprinkler valve to not shut off?
If your irrigation system does not turn off, you need to isolate the problem. This starts by checking the main water line and the controller. If those are working, then you need to locate the valves and check to see whether they are dirty, the diaphragm is torn, or the solenoid is broken.
Are sprinkler solenoids universal?
It is universal and interchangeable with most brands of 24-volt solenoid sprinkler valves. If you need to fix sprinkler valve problems due to the solenoid, this is the Orbit sprinkler valve part for you. To replace sprinkler valve solenoids for automatic sprinkler systems, this is what you need.
How do you replace a sprinkler valve without cutting it?
0:234:54Sprinkler Valve "No Cut" Fix - YouTubeYouTubeStart of suggested clipEnd of suggested clipBasically what we're going to do is remove the top of this brand-new valve and replace the old partsMoreBasically what we're going to do is remove the top of this brand-new valve and replace the old parts on the valve that's in use that. Way I don't have to cut any of the PVC.
How much does it cost to replace a sprinkler solenoid?
The average cost to replace a sprinkler solenoid is between $85 and $150. This includes the cost of parts and labor.
How do you clean a sprinkler solenoid?
0:132:37Cleaning the Diaphragm on a Hunter Valve - Quick Tip - YouTubeYouTubeStart of suggested clipEnd of suggested clipBefore cleaning your valve it is extremely important to understand that you need to turn your mainMoreBefore cleaning your valve it is extremely important to understand that you need to turn your main water supply. Off simply turn your ball valve or whatever main shutoff you have to your irrigation.
How long do irrigation solenoids last?
Because the irrigation system's pipes are underground and made of durable material, they can last up to 40 years before needing to be replaced!
How do you troubleshoot a solenoid valve?
Check if the power supply is correct and the coil can dissipate heat by ventilation. Install a new coil and never power the coil when not mounted on the valve. Check for moisture within and replace if necessary. Replace any damaged or bent armatures as well, and check media compatibility with your valve.
How do you service a solenoid?
0:244:22How To Service A Solenoid Valve | Kleen-Rite - YouTubeYouTubeStart of suggested clipEnd of suggested clipOkay the first thing you're going to do is you're going to take the jam nut jam nut off that holdsMoreOkay the first thing you're going to do is you're going to take the jam nut jam nut off that holds on the coil just a matter is and Upland adjustable once wheelers take it off and remove the coil.
How do you refurbish a solenoid?
0:257:13Induction Solutions Solenoid Rebuild Tips - YouTubeYouTubeStart of suggested clipEnd of suggested clipThose are the basically the three components that when you're rebuilding a solenoid you're replacingMoreThose are the basically the three components that when you're rebuilding a solenoid you're replacing the plunger being the most critical.
Can a solenoid be stuck open?
Problem: The valve is stuck open or closed. Generally, the most common reason a solenoid is “stuck” open or closed is because it loses power. If there's no power to the coil or if power is interrupted, the solenoid will cease functioning and remain in whatever position it was last in.
How to remove solenoid from valve body?
Remove the solenoid from the valve body by turning it counterclockwise, and set it aside. Remove the screws that are holding the bonnet in place. Carefully remove the bonnet, spring, and diaphragm, taking note of how they are positioned so you can re assemble the valve in exactly the same way.
How to reinstall a solenoid?
Reinstall the solenoid by twisting it back on clockwise until it is hand-tight or it clicks into place. Turn the water supply back on—slowly at first so the pressure doesn’t damage the valve—and test the valve for leaks. Confirm that the valve turns on and off properly.
What does it mean when a sprinkler valve is broken?
A malfunctioning or broken sprinkler valve may make itself known with an area of dry grass that indicates the valve isn't turning on properly. Conversely, when a group of sprinkler heads don't turn off when they should, it also hints at a problem with the sprinkler valve. Addressing a sprinkler valve repair at the first signs ...
Why is my sprinkler valve not turning on?
Valve Not Turning On. When a sprinkler valve is not turning on, it can be due to an electrical problem, a water supply issue, or a failed solenoid. A good place to start is by ruling out a water supply problem. To do this, check the other sprinkler valves to ensure they are getting water and turning on as usual.
What to do if your valve is damaged?
If it is damaged, replace it with a new one. Be sure to position the diaphragm in the same way as it was before, taking special care to align the dia phragm openings with the screw holes in the valve body. Position the spring and bonnet back into place .
Why does my valve not work when activated manually?
If the valve works when activated manually, the problem is likely due to a bad wire connection or a bad solenoid on the valve. Check the wires first. Make sure there is good contact at the point where the system wires connect to the solenoid wires and that there are no cuts or breaks in the wires. If the wires look fine, move on to ...
How to check solenoid on sprinkler head?
They can check on the solenoid by opening up the sprinkler valve. If you try to do this yourself, turn off the power and the water to the sprinkler head before you start. When you get to the valve, you can just unscrew it counterclockwise.
Why does a sprinkler valve go bad?
So, the sprinkler valve solenoid is a critical part of the sprinkler system. Unfortunately, they go bad frequently, often due to debris. Here’s how to tell if a sprinkler valve solenoid is bad and what to do about it if it is.
How to tell if sprinkler valve is bad?
Signs that Your Sprinkler Valve Solenoid is Bad. There are a few common problems that happen is your sprinkler valve solenoid has broken, including: Never-ending water: The valve solenoid may get stuck open, allowing all or a trickle of water through at all times. This will keep the sprinkler running even when the system tries to turn it off.
What happens if you get the wrong signal on a sprinkler?
If it’s getting the wrong signal, then the circuitry needs to be replaced. We don’t suggest that you try to do electrical work yourself, as it can be dangerous, especially on sprinkler heads as there is water right nearby.
Can sand get stuck in sprinkler heads?
Often times, a bit of sand or debris will get stuck inside the ports, or the small holes, inside the valve. Simply flushing them out can solve quite a few problems with sprinkler heads. Still, other problems may be going on with your valve or solenoid.
Can a broken solenoid cause a sprinkler system to burst?
Water leaks: High pressure from a broken solenoid can put a lot of stress on your sprinkler system and burst small or large leaks throughout it. Low water pressure: Low water pressure can be just as much of a problem.
What is a solenoid in a sprinkler system?
The solenoid is what controls the water pressure. It receives an electric current from the controller to determine what adjustments need to be made. It uses a plunger to adjust the valve, and there are a few more moving parts in the mix. All of this is what allows an automated sprinkler system to run things for you and provide that great convenience. But when the solenoid is bad, you can get some weird sprinkler problems.
What to do if you have a solenoid problem?
Knowing more about the solenoid can help you with expectations and head off some frustration before it mounts. When you have a solenoid problem, know that Andy’s Sprinkler, Drainage and Lighting is here to help. Even if your problem isn’t with a solenoid, you can give us a call.
Why does my sprinkler keep running?
A problem with the plunger can prevent the solenoid from closing the valve when it’s time. That means your sprinklers will keep running after they’re supposed to stop. If you run into this problem, the first step is to turn off the water. If you can’t get it off at a local source, you can shut it off at the main.
Can a solenoid cause low water pressure?
Low or Uneven Water Pressure. The solenoid controls the water pressure. Knowing that, it’s not surprising that a bad solenoid can lead to water pressure issues. If your system isn’t delivering water to every corner of the lawn like it once did, the solenoid is one of the most likely culprits. This doesn’t constitute an emergency, ...
Do sprinklers work?
Sprinkler systems are great when they work. They make lawn care so much easier, and they’re likely to leave you with a much greener, healthier lawn. But when they stop working, they can be a source of unlimited frustration. The best way to prevent that frustration is to know how to spot signs of trouble early.
Can a sprinkler system leak?
There are many points in a sprinkler system that can leak. No matter the cause, leaks should never be ignored. They can run up a monstrous water bill. They can also cause additional damage. So, if you see a leak, get it fixed as soon as possible.
Can a sprinkler system run if the solenoid is bad?
But when the solenoid is bad, you can get some weird sprinkler problems.
How do I fix a sprinkler valve solenoid?
Follow these simple steps to fix your solenoid so your sprinkler valve will shut off: 1. Shut Off the Water. Before you can inspect and fix your solenoid, you need to shut off the water. Use your sprinkler system’s control panel to stop water from flowing into the sprinkler so that you can get to work. 2.
What to remember when fixing a sprinkler valve?
What to Remember. No matter which of these solutions applies to your sprinkler valve problem, remember to be careful. Irrigation systems are expensive, and you don’t want to cause damage while trying to fix the faulty sprinkler valve.
What causes a sprinkler valve to shut off?
Trapped Air. Although it is less common, trapped air can prevent your sprinkler valve from shutting off. Sprinkler system valves have water ports. Sometimes, air bubbles get caught in the water port preventing the valve from shutting off. There is a quick fix, however, that takes no time at all.
What is a damaged solenoid?
Damaged Solenoid. A solenoid is a component in sprinkler systems responsible for opening and closing valves. Each sprinkler valve contains a solenoid and it is magnetically controlled. When a solenoid comes out of place or becomes damaged, it cannot shut off the sprinkler valve properly. If the cause of your sprinkler valve shutting off is ...
Why won't my sprinkler shut off?
The main causes for a sprinkler valve that won’t shut off is defective solenoids, or debris obstructing the valve. If it is a matter of debris preventing you from shutting the sprinkler valve off, cleaning is in order. Otherwise, the valves themselves may be damaged and will need repairs or to be replaced altogether.
How to fix a sprinkler system that won't shut off?
Luckily, fixing it is quite easy using the following steps: 1. Identify Which Zone is the Problem. Sprinkler systems are split into zones. You can identify which zone is the problem by turning each one on and off. The area that won’t shut off is the zone that needs to be addressed. 2.
What happens if you don't shut off your sprinkler valve?
When you cannot shut your sprinkler valve off despite your efforts, it can waste water, create a mess, and even damage the lawn.
