Rachio 3 works on 220 volts?

Hi there,

Can anyone tell me if the Rachio 3 can work on 220Volts?
i’m completely new to this forum. I’m looking for an irrigation solution for my wife’s pride and joy: our balcony ‘garden’ , a big concrete planter of 1yard wide by 12 yards long, with a variety of pots on and around it as well.
We live in spain but travel for months on end for work.The Rachio 3 looks like wat I need to remotely adjust irrigation to the local weather.

Looking forward to hear it from the experts on this forum. The Q&A on the internet gives conflicting answers.

The problem is not the voltage but the frequency. It’s easy to convert voltage.
The system works on 24v AC 60hz, which is the North American electrical standard unfortunately.
I haven’t seen the inside of the panel, but I doubt that the 24v AC 60hz coming out of the wall transformer is rectified to DC just for the electronics since the zone solenoids work on 24v AC 60hz (50 should be ok for them). If Rachio techs could elaborate on that maybe…?

Here’s my experience: I bought a cordless drill with 2 batteries for a friend in France a while back and naturally the charger was made to work with US voltage. I bought him a 220-120v transformer on ebay and to this date, years later it still works. That charger has electronics built-in that clearly haven’t been affected by using 50hz vs 60hz. I don’t know if that would apply here, but again, Rachio should step in and clarify this question as some electronics won’t work well with the wrong frequency.
Also, is the weather part of the app capable of working outside the US ? That might not be a problem for you though.
I hope we’ll get a clear answer from Rachio.

@Rtjs Do not use the plug converter, simply plugging your original Rachio power adapter will fry your new controller. The type of transformer used within the AC converters, such as the one used by Rachio, is really a step down converter, with a fixed ratio of 4.4 to 1 (in order to convert 110VAC to ~25VAC), plugging it into the 220V source would step it down by the same factor of 4.4, thus outputting 220 / 4.4 = 50 Volts AC. Such overvoltage would likely fry the surge protector.

It is possible to find a 2 to 1 step down transformer to convert 220V to 110V in order to use the original Rachio transformer, but few of those devices are designed to be used 24/7, for best results you would want to seek a 220V to 24VAC adapter, such as the one found by @FosseVet:

During your search, be careful to avoid adapters that output a DC (direct current) voltage. Be sure that you see 24VAC as output rating, with power rating going not much higher than 1000mA, 1Amp or 24VA.

TLDR: Frequency is not an issue, proper output voltage is. Orignal plug cannot be used with 220V, you need to avoid a DC supplies when searching for a replacement.

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