







Product description

How to start this?
FOR THERMOSTATS
Shut off the circuit breaker power supplyInstall any wire from the 24 volt adapter to the “C” end and another wire to the “RC” end. If your system has a cooling system, you may need to use the included diode and connect the “RH” to the ‘RC’ terminal.Plug the power adapter into the socketOpen the circuit breaker power supplyInstall the panel on the thermostat
FOR DOORBELLS
Keep adapter unpluggedInstall wires from 24 volt adapter into the terminals for your doorbell unit (any wire can be connected to any terminal)Plug adapter into outletPut doorbell face plate on housing unitPower up and verify your doorbell is receiving necessary power using the accompanying application


Wild Using
This is a device that you can keep your machine continuously charging your doorbells or thermostats. Many old homes or apartments do not have a “C” wire to their current thermostat, and newer devices require a C-wire to power the device.This simple product allows you to make the problems
Compatible with: Ring Video Doorbell Ring Video Doorbell 2 Skybell Doorbell Honeywell Smart Wifi Thermostat Ecobee Thermostat Sensi Thermostat Google Nest Thermostat 1st/2nd

AC 24 Volt Transformer
Competible with All Versions of Ring Doorbell and Thermostat for Ecobee, Sensi and Honeywell
Note: Competible with Google Nest Thermostat 1st/2nd,Not for 3rd.

Continuously Charging
It can be continuously charging your device without the worry of take of the doorbells or thermostats. Which is time saving and work saving.

Package Included
1 x Adapter 24v transformer for thermostat 1 x 315 inch long cable (800 cm)

Long Cable
315 inch long cable (800 cm) allows you to wire it anywhere you want.

Specification:
Inner size: 5x 6.3 cm Box size: 10 x 5.5 x 8 cm Input: 120V AC 60Hz 0.2A Output: 24V AC 500mA Cable length: 800 cm ( 315 inch) Wire Type: Stranded copper wire
WIDELY USE: US power cable Powers your popular smart thermostats((Nest 1st/2nd, Ecobee, Honeywell, Sensi) and doorbells(Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro,Nest Skybell , etc.) and other devices that require constant AC 24 volt power for operation, enables you to charge your devices safely.
EASY TO USE:Assemble along the wall from your outlet to the doorbell and thermostat without the existing doorbell or wiring. Easy installation and be able to set up in minutes.
LONG CABLE:Our cable is 8M(315 inch) long and you do not worry about the distance between the socket and the Honeywell Smart Wifi Thermostat. This allows you to easily plug it into an electrical outlet inside or outside your house.
SAFE AND CONVENIENT :Our battery backup has gotten certificate. A quick fix to the problem of “Low batter” you can charge it directly(plug adapter into outlet and power up). that means you don’t need to remove your honeywell thermostat in order to charge up the battery.With an AC output of 24V/500mA, a perfect tool to meet your needs.
WHAT YOU GET- 1. High quality accessory 2. 180 Days money-back 3 . Professional customer service. VIIVRIA has a professional team which has been specialized in designing and manufacturing transformers for years, improving technologies to meet consumers’ needs.
13 reviews for AC 24 Volt Transformer, C Wire Adapter, Compatible with All Versions of Ring Doorbell and Thermostat for Ecobee,Sensi and Honeywell, 315″ Long Cable
Add a review
Original price was: $23.99.$16.99Current price is: $16.99.

Geo –
Easy install and works.
Easy install on a Sensi 2 thermometer. If you have a thermostat, usually older style, that uses battery and want to upgrade to a smart thermometer but dont have power coming to your thermostat like i did this will give you the power you need.My steam boiler only has two wires coming from the basement to the front of the house living room. Running a new cable would entail opening up walls or ceilings so i did some research and whoever doenst have an extra wire running up, this is the easiest solution. Some houses when they were wired, they ran three wires and only two were used you can use the spare one to power your smart thermostat or you can use the fan wire too, i did not have either.I chose a nearby outlet and decided to run the wire through the wall to make it look neat. Installed a ln outlet next to a light switch and looks good in my opinion.Power adapter plugs in and you just wire the ends to your RC and C terminals thats it youre done, polarity doesnt matter. Made a wooden frame for the thermostat using original wood and lath that was used to construct the house, Looks cheesy but i like it.
EDDIE –
GREAT “C” WIRE FIX
NEEDED A “C” WIRE FOR MY WIFI THERMOSTAT. THIS WAS RECOMMENDED TO SOLVE THE PROBLEM. IT WORKS GREAT. PRICE WAS GOOD AND IT COMES WITH 26 FEET OF WIRE. I DO RECOMMEND THIS PRODUCT.
Billy Lindsey –
Essential Power Solution for My Ecobee Doorbell—Quick and Reliable!
I purchased the Vivria power adapter to go with my new Ecobee Smart Doorbell Camera, and I’m so glad I did! We were about to leave for a vacation and needed a quick, dependable solution to power the camera, so we could monitor our home remotely. This adapter was exactly what I needed.Fast & Easy Installation:The setup couldn’t have been simpler—just plug it in, and it’s ready to go. I was on a tight schedule before heading out of town, and the straightforward installation was a lifesaver. I was also able to angle the wiring through the wall for a clean, discreet look without any hassle. Excuse my first missed drill attempt in the photos, but as you can see this install was pretty simple with the adapter once I found the angle.Reliable Power for Peace of Mind:This adapter provided stable, uninterrupted power to the doorbell camera, ensuring that we could keep an eye on our home while we were away. It was such a relief knowing I didn’t have to worry about the power source, which gave me full peace of mind during the trip.Final Thoughts:If you need a quick, reliable power solution for your smart doorbell or similar devices, especially if you’re on a time crunch, this adapter is perfect. Dependable, easy to install, and does exactly what it promises—highly recommended!
Hal –
These are great, but you never know when they’ll quit.
Works great and all that, blah blah blah, but what makes them quit working after one or two years? This is a replacement for one I bought a couple years ago that just up and quit working. I opened the broken one up and there’s really nothing inside them except two steel plates and a bunch of really thin copper wire all wound up inside. No moving parts, no motherboard, no nothing, just steel and copper, what could make them just quit working?
Normand Bourque –
works well
wire is very long. But everything worked properly out of the box.
Z33C0 –
Worked with Ring doorbell
Worked with the new Ring doorbell. Now I don’t have to change the battery every month. Fairly easy install. Saved a hundreds with not needing an electrician to come install something fancy. Happy with this purchase.
marcus ransom –
Works very well as intended
Works perfectly for Google Nest doorbell and the Google Nest Thermostat that requires the “C” wire.I have a boiler that only has 2 wires that was hooked up to a mercury switch thermostat, however the Nest thermostat Requires a “C” wire that provides very low energy source.If you don’t have one then this works very well, just attach the wires to Red with the Red wire coming from the boiler and the other to the “C” wire on the Nest Thermostat. Your all set.Doorbell is easier just attach the two wires to the doorbell (it doesn’t matter which wire screws into the doorbell as far as left or right just screw them in) and plug it into a wall.
N.Tesla –
Good adapter but not for high demanding devices
TLDR: If you need a 24v adapter, your device does not need more than 0.5A and/or your camera is in a very low traffic area this should work perfectly. In my case it does not provide enough current to charge to keep my Eufy E340 camera going 24/7/365.In depth: To be clear this review reflects more of my unique use case than the adapter’s quality. The unit works as its intended and that it says it would, supplying 24v and 0.5A but in my use case it does not provide enough amperage for the Eufy E340 video doorbell camera. Due my camera being in a very high traffic area, with all the sensitivity settings turn down to the lowest, activity and privacy zones setup to try and minimize alerts/recordings this adapter cannot supply enough current to charge and keep the internal battery of the E340 topped up. The battery will begin to drain down until the camera has to turn off and disconnect, at this time the adapter will be able to be-able to charge the battery. You will lose a few hours of coverage from this issue, where the E340 cannot process recordings, chimes and etc. I would typically return the unit but as I had already run, clamped and hid the wiring, I will be purchasing a different adapter, cutting the wires off this unit and connecting them to the new different adapter to save time and energy resolving my use case issue.In terms of the unit itself, it seems to be good quality; not to big as to block other outlets which countless other adapters will do. The wire length is great at 8m or 26.2ft or 315in, is 26awg stranded wire that is terminated with pre stripped and tinned ends, which even the flux used from their tinning process being cleaned off shows an attention to detail and QA/QC. Price is what you would expect for these types of adapters ($17 USD at time of writing) so it’s a good value for money. No coil whine or noise can be heard and it does not generate abnormal levels of heat (granted only used the “touch method” instead of actually measure with say a infrared thermometer).
Brandon H. –
Works perfectly. Supplied a consistent 23V to my Ring Doorbell Pro after a quick household renovation. The extremely long cord was actually a life saver as we were able to run it from the basement fuse box to the mechanical chime, spliced ultimately to the doorbell
David Guerrero –
Llegó abierto y al parecer usado…
tim –
Awesome , works great for my thermostat
Itai –
Worked for 6 of our thermostats. Took away the need for installing a common wire or messing with a common maker install. No problems at all. Nice long cord to work with.
Rebelgrrrl –
I have a two-wire millivolt fireplace that didn’t have a C-wire for my Sensi smart thermostat (which worked as a regular thermostat instead). This very inexpensive adapter turned my simple fireplace into a smart one now controlled by the Sensi app and Alexa. It’s a really good solution to a vexing problem. Includes wiring instructions and a lot of wire to run from the thermostat to the electrical outlet. You can also trim the wires to length.