Model # 16ZULW-B

Internet #206681009

Store SKU #1001642871

Rachio 16 Zone Smart Sprinkler Controller, 2nd Generation
0680474003150

Rachio

16 Zone Smart Sprinkler Controller, 2nd Generation

  • Control from anywhere with your iOS or Android smartphone
  • Check water provider for rebates up to 100% of retail value
  • Save as much as 50% on your outdoor water use
$249.99 /each

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Product Overview

Take control of your watering with a Rachio Smart Sprinkler Controller. With the modern irrigation technology of Rachio, you can water with precision using customized, automated schedules that adapt to weather. Manage on mobile, and access more control options with top-tier integrations. Inspire yard envy while saving water and money.

  • Highest-rated, best-selling, the smart watering category leader, overwhelmingly recommended by users
  • Easy to control anywhere, anytime, get complete access to monitor and adjust your sprinkler system from your phone, tablet or laptop
  • Automatically adapts for weather, Rachio continuously adapts to local weather forecasts and changing seasons, automatically optimizing watering schedules
  • Change the way you water, Rachio automatically creates a watering schedule that lowers your water bill and ensures the beautiful yard you want, while the mobile app gives you access to your sprinkler system from anywhere, plus, Rachio is compatible with nearly any sized yard and smart home platform

    Rachio Irrigation Sprinkler Controller

  • Save water and money, save up to 50% of your outdoor water use while keeping your plants healthy, EPA WaterSense certified, eligible for rebate options up to 100% of retail value
  • Water with precision, Rachio uses specific yard details, advanced watering algorithms and proven irrigation science to create accurate schedules customized to the particular needs of your yard
  • Connect with top smart home platforms, extend your smart home out into the yard, Rachio directly integrates with the best connected home platforms (Amazon Echo / Dot, IFTTT, Nest, and more), so you have more options and more control
  • Watering custom fit to your yard, enter your specific plant and soil types to get a tailored watering schedule

    Rachio Irrigation Sprinkler Controller

  • Expandable for yards both large and small. Supports yards with up to 16 zones, with two ports for rain and flow sensors.

    Rachio Irrigation Sprinkler Controller

    Easy installation. Replace your current controller in 30 minutes or less. Works with any sprinkler system, no special tools or expertise required. Connects with your home Wi-Fi.
  • Best-in-class testing and certification. Rachio has been awarded the EPA WaterSense certification and SWAT tested by independent third party labs..
  • Click here for more information on Electronic Recycling Programs

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Customer Questions & Answers

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Customer Questions & Answers

16 Zone Smart Sprinkler Controller, 2nd Generation
16 Zone Smart Sprinkler Controller, 2nd Generation

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2 answers

Installation

This question is from 16 Zone Smart Sprinkler Controller, 2nd Generation
Asked by
Fresno, CA
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October 16, 2016
Under details it says that this is installed in under 30 minutes. I have a basic irritrol sprinkler controller right now. I am planning on having a landscaping contractor switch them out if I buy this. He is very good at electrical work on sprinkler systems etc, but he is not very tech savvy. Is there some place I can get more information on how this is installed? Thanks!
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Answers (2)

Asked by
Osage Beach, Mo.
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Home Improvement Profile: DIYer
October 19, 2016
Answer: 
This controller is very easy to install. Your old controller will be labeled for all the existing wires. Those wires will go to the correspondingly marked locations on the Rachio controller. Programing the controller will be more involved than your old one, but if you just install it, then play around with the software, it turns out pretty simple. There is a lot of info on installation, setup, and Read More
This controller is very easy to install. Your old controller will be labeled for all the existing wires. Those wires will go to the correspondingly marked locations on the Rachio controller. Programing the controller will be more involved than your old one, but if you just install it, then play around with the software, it turns out pretty simple. There is a lot of info on installation, setup, and programing on the Rachio web site. The link to support is :
http://support.rachio.com/?_ga=1.256206091.1682942230.1443372008 Read Less
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Asked by
Anonymous
Hauppauge, NY, USA
Home Improvement Profile: DIYer
October 17, 2016
Answer: 
The actual install is just about the same as any other sprinkler times. if it's replacing a time it can be done in 30 minutes.
What is going to take some time (more than what is left over from the 30 minute install) is the setup of creating an account, connecting the controller to the wifi and added the programing for all the zones. It's not difficult, the app pretty much walks you through it. If you Read More
The actual install is just about the same as any other sprinkler times. if it's replacing a time it can be done in 30 minutes.
What is going to take some time (more than what is left over from the 30 minute install) is the setup of creating an account, connecting the controller to the wifi and added the programing for all the zones. It's not difficult, the app pretty much walks you through it. If you are technologically challenged (you prefer a flip phone over a smart phone) it might be a little challenging. Read Less
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4 answers

Do you need a special anti siphone irrigation valve/valves to work in conjunction or will most generic ones work with it

This question is from 16 Zone Smart Sprinkler Controller, 2nd Generation
Asked by
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September 11, 2016
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Asked by
Single Springs, CA
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Home Improvement Profile: DIYer
October 10, 2016
Answer: 
I used this just fine with the valves used on my old "non-smart" controller.
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Asked by
Osage Beach, Mo.
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Home Improvement Profile: DIYer
September 12, 2016
Answer: 
No, there are no special valves needed. as long as they are 24V, they will work fine. Just replace the controller.
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Asked by
Hauppauge, NY, USA
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September 12, 2016
Answer: 
No, it does not need any anti anything valves. Your local building codes will probably require one.
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Asked by
Staten Island NY
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Home Improvement Profile: DIYer
September 12, 2016
Answer: 
The little that I know about Anti-siphon valves is that they are not usually electronic. They are usually mechanical in nature and operate by pressure. When pressure is increased the valve seals and then when the pressure is removed they open allowing air to enter the circuit removing any chance of siphon. I don't think that the irrigation controller has anything to do with that. Now there are Flow Read More
The little that I know about Anti-siphon valves is that they are not usually electronic. They are usually mechanical in nature and operate by pressure. When pressure is increased the valve seals and then when the pressure is removed they open allowing air to enter the circuit removing any chance of siphon. I don't think that the irrigation controller has anything to do with that. Now there are Flow control valves that will allow water to come on any time any zone calls for water. These valves are 24V as well and are compatible with the Rachio Iro controllers.
I hope this helps.
Read Less
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4 answers

Can this be installed inside the garage OR is it that it must be installed outside?

This question is from 2nd Generation 8-Zone Smart Sprinkler Controller
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October 25, 2016
Can this be installed inside the garage OR is it that it must be installed outside?
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Asked by
Rialto, CA
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October 27, 2016
Answer: 
You can install it anywhere you have an electric outlet, valve wires and wifi signal.
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Asked by
Shelby, MI
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Home Improvement Profile: Other
October 25, 2016
Answer: 
I ACTUALLY INSTALLED MINE IN THE BASEMENT. BUT YOU MUST HAVE A WIFI FOR IT TO SEE THE LOCAL WEATHER.
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October 25, 2016
Answer: 
Yes, the sprinkler controller can be installed in a garage.
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Asked by
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October 25, 2016
Answer: 
Hi HHM-
You can install inside the garage or outside! Just make sure if there's any chance it is exposed to water to install in the outdoor enclosure.
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2 answers

How far away can the controller be from the valve. I have a set of valves that are about 150- 200 feet away.

This question is from 16 Zone Smart Sprinkler Controller, 2nd Generation
Asked by
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August 27, 2016
I currently have 16 zones controlled by four different controllers in different locations of the yard. I would like to consolidate them onto one Rachio. The farthest away controller is over 159 feet away from where I would like to install it. Does the controller have enough electrical output to travel a wire over 150 ft long?
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Asked by
San Diego County, CA
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Home Improvement Profile: DIYer
September 27, 2016
Answer: 
Don't know, but my farthest valve is about 50 ft. and no problem.
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Asked by
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August 30, 2016
Answer: 
Hi Stew,
Thank you for reaching out! The distance from the controller to your zones is very dependent on the gauge of your irrigation wire. Normally, the thicker the wire, the further signals can travel. That being said, 150 ft should not be an issue, as long as your wire gauge is between 14-18 AWG you should be just fine. If you have any further questions, please let us know at Support@rachio.com Read More
Hi Stew,
Thank you for reaching out! The distance from the controller to your zones is very dependent on the gauge of your irrigation wire. Normally, the thicker the wire, the further signals can travel. That being said, 150 ft should not be an issue, as long as your wire gauge is between 14-18 AWG you should be just fine. If you have any further questions, please let us know at Support@rachio.com and we'll be happy to help! Read Less
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Customer Reviews

16 Zone Smart Sprinkler Controller, 2nd Generation is rated 5.0 out of 5 by 98.
Rated 5 out of 5 by from Makes sprinkler head replacement much easier I bought this controller at the local Home Depot after seeing many positive reviews. In addition to the features mentioned by other reviewers, this controller makes replacement of sprinkler heads much easier by providing the ability to perform all work, including on/off water control during sprinkler head testing, leak detection, line flushing, and final testing right at the sprinkler head. Remote control eliminates the need to walk or run back and forth between the sprinkler head and the control box. It certainly makes repairs easier and quicker. Thank you Rachio for a well-designed and easily-operated controller.
Date published: 2016-08-19
Rated 4 out of 5 by from The best--but still not always easy to optimize I've had the opportunity to use several smart sprinkler controllers, and I can confidently say the Rachio controllers have the best software I've used. (I've had no hardware issues with any of them.) Still, there are a lot of technical details that go into setting these systems up correctly, and it's taken me a long time to make good progress on getting it to behave correctly for my landscaping. If you simply want a smartphone or web interface to control your watering system the way you do with you existing non-smart controller, you should find this easy to use. But if your goal is truly to optimize your watering so you don't use excess water or money, be prepared for a bit of a learning curve. Let me talk a little more about why I think Rachio is the best out there: 1) They have extensive online help and FAQs to help guide you through many issues (competitors I have used have much more limited help resources); 2) I have been able to call and talk to a human (in America) when I have needed more extensive help; 3) Rachio gives you access to a lot of "knobs" to help you tweak your watering settings (while competitors I have tried have a 'black box" design that gives you no insight or control into adjusting things beyond the main settings). Now for more details: I changed from a 1st-generation Rachio controller to this one because I outgrew the 8 zones of my first controller, and thus upgraded to this 2nd generation 16-zone controller. Everything was smooth with the initial installation and setup. They've made a few improvements since their 1st generation controller, but the software is basically the same between both, so I see no compelling reason to upgrade if you have enough zones. Two important things worth mentioning about the setup: 1) You need a 2.4 GHz wireless network (most modern Wi-Fi supports both 2.4 GHz and 5 GHz); 2) The Rachio controllers are NOT weatherproof, so if you are going to install this outside, you need a weatherproof box to put it in (which Rachio makes and is available on the homedepot.com website). When I got my first smart controller, I had visions that they would automatically do what I did manually: delay the sprinklers for a while when it rains, and adjust the amount of watering using a percentage "Season Adjust" as the weather changes. While the smart controllers have the rain part down pretty well, they don't just vary a percentage they way I was expecting for season adjust. Now let me get into some programming details. Note that Rachio is continually updating their software, so what I am describing now may change in the future. (It's certainly changed since I reviewed their 1st-generation controller.) When you set up each zone, you have to tell the controller about what you are watering in that zone, and this is where things can get challenging: What type of vegetation (shrubs, annuals, cool season grass, warm season grass, etc.), what type of soil, how much exposure (how much sun vs. shade), what type of nozzle waters this area, and what the slope is. There are also some advanced settings (like root depth). All of this controls how each zone will be watered. From what I can tell, this works very well IF you get all of this right, but getting it right can be a challenge. Do you know if your lawn is cool season grass or warm season grass? Do you know if your soil is Clay Loam, Sandy Loam, or just plain Loam (or yet some other type)? Do you know how many inches per hour your watering nozzles put down? If you don't get these right, very likely your watering won't be right, so you'll either have to do some research or some trial-and-error over time to get things right. In terms of "smart" watering schedules, Rachio currently has two many categories. The first is "Flexible Monthly." I find this the easiest to set up and work with because it is the closest to how a non-smart system works: You still program run times for each zone, and then Rachio alters the schedule every month based on historical weather for your area (how often it waters along with how long it waters). This is easy and it changes with the seasons (and it can skip for rain), but it works on historical weather averages rather than current weather. The problem I have is that often my weather isn't "average." It's not uncommon for weather here to be 10 degrees above average for one week, and then drop to 10 degrees below average the next. So if I set watering times for 10 degrees above average, I'll overwater a lot. But if I set it for "average", then I'll underwater during hot weather. The other "smart" setting is "Flexible Daily," and this works closer to what I want. It monitors current weather on a daily basis to figure out how much water my soil and plants loose every day ("evapotranspiration" is the technical term if you want to research it), and then it waters to replace that. This does a very good job of adjusting for above vs. below average temperatures. The challenge here, however, is this is very dependent on all those settings you input about your plants, soil, and watering system. Something that wasn't intuitive to me about this (although it does have science to back it up) is that this doesn't very run times on a daily basis, but instead varies how often it waters. Initially I had my soil type set to Clay Loam (apparently incorrectly), and as a result it put down a ton of water on my lawn, but only every 5 days in the peak of summer. The result was that my lawn was pretty brown in a few weeks. When I changed this to Loam, it watered less every 3 days, and when I changed it to Sandy Loam, it watered for still less every 2 days. In all of these cases the total water being applied was about the same, it just varied how it distributed it among days. Apparently my soil is actually more like Sandy Loam, as my lawn is looking much healthier now that it is getting watered more often. I've also been tweaking the flow rates on my nozzles and other items. But I haven't yet reached a point where my water bill shows I'm actually using less water than I was when I manually adjusted my controller. So the bottom line is be prepared to spend a lot of time tweaking your landscaping settings to get things optimized to match you actual conditions. One final note about smart devices in general: Most of these devices are totally dependent on the "smart" of the computing power of the company behind it, and are just paper weights if that company ceases to support your product. (I have some "smart" light bulbs that can no longer be controlled because the company who sold them got out of the "smart" business and turned off their controlling software.) So if you want to use your smart devices for years to come, choose a company that you think will still support their product years from now. Rachio is one of the first companies I know of in the smart sprinkler controller business, so I'm personally betting they will be around for a while. But do your own research.
Date published: 2016-10-10
Rated 5 out of 5 by from Incredible Customer Service Had a few issues getting it up and connected to my network but a single call to their customer support identified the root cause was because of a bug in their iOS app (I was running a beta version of iOS) they were able to identify the bug in their app code and get a fix out to the App Store. The CSR on the phone was determined to make sure we got everything up and running and all of my issues were being addressed. Also loved that I could get a rebate from my water company for upgrading to a smart controller - very excited to see how much water I can save by utilizing dynamic scheduling.
Date published: 2016-12-18
Rated 5 out of 5 by from Great way to go! Have the Rachio smart sprinkler controller for about two months and it has worked out great. You can tie into local weather stations so that the watering schedule is modified on the go to account for weather. Zones are inputted to begin with that account for the amount of shade, depth of root zone and sprinkler watering coverage. If you don't have the information you can put in good guess estimates. Or, you can use more traditional watering methods. And, the best thing is that with the phone app you don't have to try and remember how the sprinkler controller is programmed every Spring.
Date published: 2016-10-04
Rated 5 out of 5 by from THE ABSOLUTE BEST CONTROLLER ON THE MARKET! GET IT! This HAS to be THE coolest device ever! I love my electronic devices I can control with my android phone; I installed this unit with the Rachio Outdoor Enclosure. I hardwired a 3 prong power cord to the box and plugged it in to the outlet. Downloaded the app and was up and running in 5 minutes controlling my sprinklers from the comfort of my living room sofa! ZERO pain or hiccups! Why didn’t I have this years ago? Forget the price and just get it. I hated that stupid manual hunter controller that was installed when they put in the sprinkler system three years ago. One of the great features of this unit is that it will not come on when there is rain in the forecast! I see the city sprinklers on all the time during rainstorms!
Date published: 2016-02-27
Rated 5 out of 5 by from Great Product I am not a landscaper but I am able to use the simple tools needed to not only install it but to relocate it to an indoor location to avoid the possibility of tampering and unauthorized changes to the system. I like that I have the option to allow a professional yard care maintenance person to have access to change settings, if needed, through the app. The app is pretty intuitive and doesn't take too long to master and their customer care and tech support is pretty good. The automated weather based adjustments is such a great idea. My old 12 zone controller failed and as I was researching it's replacement I heard about this system and found it to be less expensive and quite a bit more robust (and it has more zones).
Date published: 2016-09-18
Rated 5 out of 5 by from Great Product This controller is easy to install and easy to operate. I was a little frustrated with it because it was going through each cycle twice. I even reprogramed it and it still did the same thing. Then one email and they got back to me immediately and explained that I had the Smart Cycle on which actually runs the program in two phases depending on the type of soils you have. So in essence it was watering twice but half designated time for each cycle to minimize runoff. Also I love the way it automatically skips a cycle if you have had a prescribed smount of rain.
Date published: 2016-09-19
Rated 5 out of 5 by from I am so happy with this I was impressed at what I learned about my lawn and soil and watering requirements just during the installation and setup process. Spend the time customizing each zone and you will be amazed. I cut my watering time in half, yet get more productive results from the Rachio's watering pattern. And because the controller is 'smart' I no longer have to worry about a faulty rain sensor or anything. The Rachio so far seems to sync up well with weather patterns... taking into consideration rain accumulation and forecasted weather as well as seasonal adjustments.
Date published: 2016-09-21
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