24 Volt Transformer, C Wire Adapter Thermostat, Competible with All Versions of Ring Doorbell and Thermostat for Nest Ecobee, Sensi and Honeywell, 315″ Long Cable 24V Transformer

Price: $22.99 - $18.99
(as of Jan 27,2023 06:01:39 UTC – Details)

Product Description


How to start this?


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


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

Nest Thermostat

Ecobee Thermostat

Sensi Thermostat








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.



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, 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 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.
CUSTOMERS: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 a few years, improving technologies to meet consumers’ needs.

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