Buried control wire is the part of an irrigation system most likely to fail and the most miserable to fix. When a wire breaks somewhere underground, you are left tracing a fault across the yard or digging a fresh run from the controller out to the valve. Wireless sprinkler valves take that whole problem off the table by getting rid of the buried control wire between your controller and your valves.
Here is what a wireless sprinkler valve really is, how it works, and how you make the valves you already have wireless without digging up the landscape. A related question is whether valves need home WiFi at all, which we cover in our guide to WiFi sprinkler valves.
What is a wireless sprinkler valve?
A wireless sprinkler valve, also called a wireless irrigation valve, is a standard irrigation valve that opens and closes on a wireless signal instead of a buried control wire. The valve itself does the same mechanical job it always did, letting water through to a zone of sprinklers. What changes is how it gets the message to turn on and off.
Here is the part that surprises people: you do not have to buy special valves at all. You make your existing valves wireless by adding a wireless valve link at the valve box. The Thrive EVO is exactly that, a wireless valve system that connects to the valves you already have so they can run without control wire reaching back to the controller.
How DC latching solenoids and a wireless link replace buried wire
To see why this works, it helps to know the one part inside the valve that actually moves: the solenoid. The solenoid is the small electrical component that tells the valve to open or close.
Wireless valve systems rely on DC latching solenoids, which you will sometimes see described as a wireless irrigation solenoid. Unlike the always powered solenoids in a traditional wired setup, a DC latching solenoid needs only a brief pulse of power to switch state and then holds its position. That single trait is what makes battery powered, wireless operation practical out at the valve box.
The wireless link sits at the valve, drives that solenoid, and listens for commands over the air. Your controller calls for a zone, the link picks up the signal wirelessly, and the valve opens. No buried control wire runs between the two. When you set out to make existing valves wireless, this is the mechanism doing the work.
Will it work with my existing controller?
Yes, and this matters more than almost anything else, because nobody wants to be forced into a whole new brand of equipment just to lose the wire.
The Thrive EVO is controller agnostic, so it works with any standard 24VAC irrigation controller. You keep the controller you have. The EVO also supports up to four stations per device and carries roughly 200 yards of wireless range, which means a single device can cover several valves spread across a property without you running wire to each one. If you are torn between a wireless valve link and replacing the controller entirely, the wireless irrigation controller without WiFi page compares the two head to head.
Installation without trenching
The reason wireless sprinkler valves earn their keep is simple: they remove the worst part of any irrigation wiring job, which is opening up a finished yard to run or repair buried control wire.
Because the link to the valve is wireless, there is no trench to cut between the controller and the valve box. On an established landscape that is a real difference, since trenching means slicing through lawn, beds, hardscape, and roots. For a fresh break in an older system, it often means restoring a zone without ever chasing the buried fault. You bring the wireless link to the valve, and the valve is back under control.
Frequently asked questions
How do you make sprinkler valves wireless? You add a wireless valve link, such as the Thrive EVO, at the valve. The link drives the valve’s solenoid and receives commands over the air, so no buried control wire is needed between the controller and the valve.
Do wireless sprinkler valves work with my existing valves? Yes. The Thrive EVO connects to the valves you already have and works with any standard 24VAC controller, so there is no need to replace the valves or the controller.
Do I need to dig trenches to install them? No. Removing the buried control wire is the whole point. The wireless link means there is no trench to run between the controller and the valve box.
What is a DC latching solenoid and why does it matter? It is the type of solenoid used for wireless valve operation. It needs only a short pulse of power to open or close and then holds its position, which is what makes efficient wireless control at the valve box possible.
How far does the wireless signal reach? The Thrive EVO carries roughly 200 yards of range, and each device supports up to four stations, which covers most residential and many commercial valve layouts.
Where to start
Wireless sprinkler valves let you keep the valves and controller you already have while cutting out the buried wire behind most irrigation headaches. On an existing system, that usually means no trenching and no teardown. See how it works on the Thrive EVO page, or find a distributor near you on the where to buy page.
Ready to drop the buried wire and make your existing valves wireless?
See the Thrive EVO