What’s going on guys? It’s Hai.

One thing that I really appreciate about my home is the in-ground sprinkler system. It makes watering the grass a lot easier than moving an above-ground system around. At my home, I have a Rainbird ESP-TM2 controller that’s connected to 5 different zones. This control center is pretty straightforward and easy to operate but it’s mounted at the edge of my property in an area that I don’t go to much so it’s a bit inconvenient. Especially so when I had to adjust some sprinkler heads on the exact opposite end of my property and had to walk back and forth to just get the water flowing so I can check my adjustments.

This is where the Rain Bird LNK2WIFI WiFi Module comes into play. This product is essentially a module that enables wifi for compatible controllers. The black one is the updated 2nd generation model. If you look for these Rain Bird wifi modules, you may see a grey version. That’s the outdated generation one model and I’m not sure why but it’s generally more expensive.

Installation of this module is fairly simple. On my controller, there was a little sticker that had to be removed. This revealed the connectors for the wifi module. All there’s really to do is plug the module in and it’ll boot up. From here, we can hop into the Rain Bird app and set things up.

Now, there are a good amount of things that you can do with the app so I'm not going to go over everything with you, just some of my favorites. First and foremost, the module and app will allow you to turn your sprinkler on and off as you please without having to touch the controller. You will also be able to make a watering schedule by setting frequency and duration. The app actually allows me to set longer durations per zone than the physical controller. A nice feature that the app provides is Seasonal Adjustment. With this, you set your schedule for the hottest time of the year and the app will adjust watering times based on that. It will water less when appropriate so you don’t have to do it throughout the year. From my experience, I haven’t seen the Seasonal Adjustment go down to not watering at all though. This is something that I’d like to have because here in Washington State, we can definitely hit times when there's seemingly constant rain so watering the lawn isn’t necessary. However, the app will allow me to delay my watering schedule for up to 14 days so that’s kind of a workaround.

In general, the Rain Bird wifi module is largely not necessary but it does add a lot of convenience. For about $85, it’s definitely worth it in my life and is a product that I can recommend if it’s compatible with your controller.

If you're considering buying any of the products mentioned, please support my work by using the links below.

Rain Bird LNK2WIFI WiFi Module - 2nd Generation

https://amzn.to/3hc3q3S

https://amzn.to/3DEcLJg

Rain Bird LNK2WIFI WiFi Module - 1st Generation

https://amzn.to/3DBpfl3

https://amzn.to/3sXpkdT

Rain Bird ESP-TM2

https://amzn.to/3DW9cj7

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