how long do sprinkler controllers last

How Long Do Sprinkler Controllers Last? (And How to Extend It)

Sprinkler controllers come in all shapes and sizes these days, featuring unique elements and extras, including smart technologies based on the weather forecast and soil sensors. They represent an actual necessity in areas that don’t get enough rainfall, especially during the summer.

But then, are they really worth it? Given their impressive popularity, they’re obviously convenient and handy to have for your garden to maintain lush landscaping without wasting water. Now, how long do sprinkler controllers last? Being aware of their average lifespan will help you make better decisions if you’re hunting for value for money.

With this thought in mind, let’s take a look at sprinkler controllers, their average lifespan, potential issues that may arise and a few maintenance tips and tricks to keep your system running smoothly year after year.

How Long Do Sprinkler Controllers Last?

Long story short, it’s difficult to give an exact estimate. Different brands have different quality standards. Besides, the more features a controller has, the more potential problems you may have. Sure, you want more extras for convenience, but they also come with some risks.

So, how long do sprinkler controllers last then? Normally, their lifespan ranges between five and 15 years, so it’s a pretty wide range. Most of them last just under 10 years before showing noticeable signs of wear. Again, it doesn’t mean that your entire irrigation system will stop operating completely once it happens. 

For example, if installed correctly, the underground plumbing system could last for decades. On the other hand, electrical components are more likely to break, such as display screens or internal clocks.

Different Types of Sprinklers, Different Levels of Durability

How you use the sprinkler, where you install it or what features it has could affect the lifespan. How often you use it will also have an impact on the lifespan.

From this point of view, look at indoor controllers, which can easily last over 10 years without too much maintenance. Indoor controllers benefit from extra protection against all kinds of weather conditions since they are safely mounted in a garage or basement. Apart from this, they’re protected from temperature fluctuations too, not to mention direct sunlight which can degrade sensitive components over time.

On the other hand, based on all these, outdoor sprinkler controllers tend to last longer. Sure, most of them come with protection against weather extremes. They may also feature weatherproof enclosures, so they’re safe against freezing temperatures, heat, or UV rays.

But then, such elements can cause plastic elements to break. Circuit boards are more likely to fail as well.

Smart controllers are somewhere in the middle because they can go both indoors and outdoors. They feature different technologies. Normally, they’re more advanced. They can estimate the weather, look at the forecast, check the soil humidity and so on. Therefore, scheduling is usually very accurate.

But then, they connect to software and hardware that could become outdated. In some cases, these things become outdated due to a lack of app support before you can see any physical damage or issues. To avoid such problems, it’s better to invest in a reputable brand that offers regular updates too.

Signs That Your Sprinkler Controller Needs Replacement

Normally, your controller may need to be repaired or replaced when it no longer works. In many situations, a technician can change a few parts and get it up and running again. However, here are a few signs that you’ll need to consider buying a brand new unit.

  • Poor display.  The display is usually available through a screen. If it gives you errors all the time, or it seems unresponsive, it might need to be repaired. Unreadable screens or faded displays indicate the same issue.
  • Electrical failure. This issue is usually observed if your system is set to multiple zones. When you have an electrical failure, you’ll notice that some zones fail to turn on, even when all the valves and wiring seem to be alright.
  • Timing issues. If the controller loses time, it might need replacement. If it forgets the programmed schedule, it’s even worse. When you have a smart controller, it might be more difficult to observe such signs unless you constantly monitor your smartphone alerts.
  • Outdated technologies. With time, new technologies may pop up. Regular updates are good, but there will be a time when your controller will need replacement because the old hardware can no longer run modern software. For example, a lack of rain sensors could be an issue with today’s smart sensors, which feature such extras by default.

How to Look After Your Sprinkler Controller

So, how long do sprinkler controllers last? Apart from brands, technologies and weather, how you look after your system can also affect its lifespan.

From this point of view, use surge protection. Sprinkler controllers tend to face power surges. Having your own surge protector will ensure that lightning strikes won’t damage the electrical system associated with your controller. It’s just an extra layer of protection for your system that saves you from costly replacements.

Protection against weather conditions is also important. Sure, it doesn’t apply if the controller is indoors. But when outdoors, it might need more than just a weatherproof case. Stick it into a locking cabinet, but also make sure that the cabinet is well sealed against pests and moisture.

Think about the winter too. If you have freezing temperatures, you can rely on the rain delay setting. If freezing temperatures persist, it might be better to turn it off completely and wait for warmer days. Otherwise, it will keep trying to run dry valves, which will damage it and potentially crack your backflow preventer.

In the end, how long do sprinkler controllers last? With proper maintenance and care, a quality sprinkler controller could last for more than 10 years. This is the average, but thorough maintenance is very likely to increase its lifespan.​​