The Best 24V Transformer For C Wire of 2022 – Reviewed and Top Rated
After hours researching and comparing all models on the market, we find out the Best 24V Transformer For C Wire of 2022. Check our ranking below.
2,293 Reviews Scanned
Rank No. #1
AC 24 Volt Transformer, C Wire Adapter, Compatible with All Versions of Ring Doorbell and Thermostat for Ecobee,Sensi and Honeywell, 315" Long Cable
- 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.
SaleRank No. #2
24Volt Transformer C Wire Adapter for Thermostat and All Versions of Ring Doorbell, Compatible with Nest, Ecobee, Honeywell, Sensi, Sensi Smart WiFi Thermostat, Nest Hello Doorbell Supply Cord
- Compatible with the following devices: Compatible with smart thermostats ( Nest, Ecobee, Honeywell, Sensi, Emerson, Hive, etc ) and doorbells ( Ring Video Doorbell, Ring Video Doorbell 2, Ring Video Doorbell Pro, Nest Skybell, Zmodo WiFi smart doorbell, Nest Hello doorbell, Eufy, Skybell, Arlo etc.) and other devices that require 24 volt power With constant power and constant operation
- Product Parameters: Input AC 120V, 60Hz 0.2A, output 24V / 500mA. Cable length is 315 inches / 8 meters.
- Easy To Install: 2 pin non-polarity wires support easy and quick install, Assemble along the wall from your outlet to the doorbell and thermostat, 26 ft cable is long enough to plug it into an electrical outlet inside or outside your house.
- Security: Special design and materials ensure that provide the best current output connected to your device. Prevent short circuit, overvoltage, overcurrent, overheat, ensure charging safety.
- Please note: Please check whether your device is the model in the details before purchasing.
SaleRank No. #3
24 Volt Transformer, C Wire Adapter for Nest Honeywell Ecobee and Sensi Thermostat, Doorbell Transformer Compatible with Wyze Video Doorbell
- Universal Compatibility: Power your favorite smart thermostats like Nest, Ecobee, and Honeywell, as well as popular doorbells including Ring and Nest Hello. Designed to support any device requiring a consistent 24V.
- Effortless Setup & Specified Design: No more intricate wirings. With our plug-and-play C Wire adapter, seamlessly connect from your wall outlet to your device. Specifications are as follows: Input: 120V AC 60Hz 0.2A, Output: 24Vac AC 500mA. And, with a generous 400 cm (157.5 inch) cable, you're equipped with ample length for versatile installations wherever you see fit.
- Continuous Power, No Interruptions: Eliminate the low-battery woes. This adapter ensures your smart devices are always on, keeping them charged and ready without the need for constant battery swaps.
- Safety First: Manufactured with high-grade, fireproof materials and pure copper plugs. Enjoy peace of mind with our certified and waterproof cable, ensuring durability and reliability.
- Dedicated Support & Warranty: Trust in our decade-long expertise. Should you have questions, our responsive team is just a message away.
SaleRank No. #4
TAICHIPANDA 24 Volt Transformer, C Wire Adapter for Nest Honeywell Ecobee and Sensi Thermosta Doorbell Transformer for Nest Hello Doorbell and Any Doorbells Require 24V Power Supply
- UNIVERSAL DESIGN - Power your popular smart Thermostats(Nest, Ecobee, Honeywell, Sensi) and Doorbells(Ring Video Doorbell, Ring Video Doorbell 2 & Ring Video Doorbell Pro, Nest Hello doorbell, Zmodo WiFi smart doorbell etc.) and other devices that require constant 24 volt power for operation, enables you to charge your devices safely.
- EASY INSTALLATION - Assemble along the wall from your outlet to the doorbell and thermostat without the existing wiring. Super easy to install that can be able to set up in minutes.
- CONVENIENT - With this C Wire Adapter, you could able to charge your doorbells and thermostats without any worry about interrupting, which makes it a wonderful Ring doorbell pro transformer. You don't need to take off the battery inside the doorbells and just connect this transformer, keep doorbells charging any time you want.
- MAKE HOME SAFER PLACE - TAICHIPANDA Doorbell transformer is UL listed and has built-in 2A thermal fuse short-circuit protection, which makes the home a safer place and you can use it without worries.
- TO BUYERS - TAICHIPANDA has engaged in developing and manufacturing adapters for more than 10 years, The advanced production equipment and rigorous design ensure that each of our hardwired transformers is of the best quality. We promise 180-day money back and fast after-sale service.
SaleRank No. #5
24 Volt Transformer, C Wire Adapter Thermostat, Compatible with Conventional Thermostats and Doorbells Power Supply (23ft Cable)
- CAUTIOUS PURCHASE: Before purchasing, buyers need to check the pictures and detailed installation instructions, and purchase cautiously without installation experience to avoid non-work and incompatibility caused by wrong purchase.
- 24 VOLT TRANSFORMER: Input 120V AC 60Hz; Output 24V AC 300mA; No-Load Output Voltage Max. : 28V AC; With 7M (23ft) long cable.
- SUPPORTED DEVICES: US power cable Powers your popular conventional thermostats and doorbells that require constant 24VAC power for operation (Note: maximum working voltage current of 24VAC 300mA is allowed).
- NOT COMPATIBLE with Smart Thermostats: such as Amazon/Google/Nest smart thermostat etc. (Note: check the working voltage and current of the equipment, if the current is greater than 300mA, it is not supported.）
- SAFE AND EASY TO USE: Assemble along the wall from your outlet to the doorbell and thermostat without the existing doorbell or wiring. Easy installation and 23 ft cable is long enough to plug it into an electrical outlet inside or outside your house.
SaleRank No. #6
Thermostats 24 Volt Transformer C Wire Power Adapter for Nest, Ecobee, Honeywell WiFi Thermostats, Power Supply for Nest Hello, Ring Smart Doorbells Chime
- Widely Match - 24v universal US power cable powers popular smart thermostat. Compatible with Nest, Ecobee, Honeywell, Emerson, Ecobe4 Smart WiFi thermostat. Continuously converts 110/120v to 24volt 500ma.
- Quick and Convenient - “Low battery” issues is solved. The adapter is a quick and convenient way to charge your smart thermostat continuously. Now get rid of all battery issues and with no more interrupt or any safety concerns.
- Certificated Safety Adapter - A certificated battery backup is stable and sturdy for years use. A waterproofed 16.4ft cable is long enough for you to put the thermostat anywhere higher or lower on your wall.
- Easy to Install and Maintain - Assemble along the wall from your indoor outlet to the thermostat. The non-polarity wire is much easier for quick installation.
- What You Get - 1 transformer adapter with 10 cable clips. 30-day money back. 24/7 professional service team. Contact if you have any questions.
Rank No. #7
24 Volt Power Adapter/Transformer,C-Wire Adapter Thermostat，Compatible with All Versions of Ring Doorbell and Thermostat for Ecobee,Sensi and Honeywell(25Ft Cable)
- HOME USE: Plug the transformer into your standard 120V outlets and converts to 24volt AC current.Please note that the c wire adapter is not compatible with the Nest learning 3rd generation
- SUPPORTED DEVICES: The 24v power adapter can not only power for popular smart thermostats such as for Honeywell, for Ecobee, for Emerson , for Sensi, but also can convert to 24 volt AC current for other devices that require 24v current for operation
- TECHNICAL SPECIFICATIONS: input voltage is 120 V AC, 60 Hz; Output voltage is 24 V, 300mA/AC，Directly tested with a multimeter is no-load voltage: AC26.6V-27.5V Note: The brand above is only for demonstrating compatibilityyy
- INSTALLATION :To prevent no power output, you must ensure that the terminals are stripped and securely clamp the screw terminals into the thermostat to maintain good contact，2pin non-polarity wires to ensure easy and error free installation for installers of all skill levels and knowledge bases,If your wiring is complicated, please ask a professional electrician for help
- EXTRA LONG CABLE: 7.6M (25ft) long cable enables you to install the cable along the wall and connect to the electrical outlet inside or outside.For Nest E connected this adapter to C and R pins (R also having the HVAC's Red line connected),For Nest Learning Thermostat,3rd generation connected adapter to the Cand RC pins
Rank No. #8
Xwartre UL Certified Thermostat C Wire 24V Transformer, White Adapter Compatible with Honeywell, Nest, Emerson, Ecobee, Wyze Thermostat and Most Doorbells (26FT Power Cable)
- 【Excellent Quality】UL Certificate, overload latch-off protection, over current and voltage protection, short circuit protection assures your personal health and property safety.Input 120V AC 60Hz 0.2A / Output 24V AC 500mA,PVC ecderon wire with fine copper, no interruption of the live view or motion tracking. The length of the cable is 8m, which is long enough to connect from your outlet to the doorbell along the wall.
- 【Widely Applicable】Compatible with most thermostats(Honeywell, Nest, Ecobee, Wyze, Emerson, Sensi), doorbells(Ring, Eufy, Arlo, Logitech, Amcrest, Simplysafe, Remo, SkyBell, Zmodo) and other devices that require 24 volt AC power;
- 【Easy to Install】Just run the wire from the socket to the thermostat or doorbell, and the installation can be completed in a few minutes. There is not need to distinguish between positive and negative of the wires;
- 【Long Cable】The length of cable is 26ft (8m). You can plug the adapter into a socket far away from the thermostat or doorbell. If you don't like the extra wire, you can cut it to a suitable length;
- 【Service】We provide 24 hours support online. If you have any questions about this power supply, please feel free to contact us whenever.
Rank No. #9
Hotop 24 Volt C Wire Adapter for Smart Thermostat, UL Listed 16.5ft Long Power Connector C Wire for All Versions of Smart Thermostat Compatible with Nest, Honeywell, Ecobee, Wyze, Sensi
- Widely Use: Hotop C wire adapter compatible with smart thermostats, Nest, Ecobee, Honeywell, Sensi, wyze, Hive, smart thermostat, etc., and other devices that require constant 24 volt power for operation, enables you to charge your devices safety
- Certificated Safety Nest Thermostat Power Supply: Hotop C wire adapter for smart thermostat is UL listed and has built in 2A thermal fuse short circuit protection, prevent short circuit, overvoltage, overcurrent, overheat, ensure charging safety
- Safe and Convenient: a quick fix to the problem of "Low battery" you can charge it directly (plug adapter into outlet and power up); That means you don't need to remove your thermostat in order to charge up the battery; With an output of 24V/300mA, a nice tool to meet your needs
- Easy To Install: 2 pin non polarity wires support easy and quick install, assemble along the wall from your outlet to the thermostat without the wiring; Our cable is 5 m (16.5ft) long and you do not worry about the distance between the socket and the smart thermostat; This allows you to easily plug it into an electrical outlet inside or outside your house
- What You Will Get: 1 pcs 24 Volt C wire adapter for smart thermostats, 1 bag (50 pieces) of cable clips, enough to meet your daily use
Rank No. #10
HQRP C Wire Adapter 24V AC Transformer Compatible with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat, 25ft Cable, White, ETL Listed
- HQRP® Replacement White Transformer;
- Input: 120V AC; Output: AC 24V, 300mA; 25ft Cable;
- ETL Listed; Safety Features: High Efficiency and Reliability; Automatic Overload cut-off;
- Automatic Thermal cut-off; Short circuit and Over Voltage protection; Low Interference & Noise;
- C Wire Adapter Compatible with Ecobee Nest Honeywell Emerson Ecobee4 Smart WiFi Thermostat C-Wire, 25ft Cable;
Last update on 2025-03-23 / Affiliate links / Images from Amazon Product Advertising API
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