Search  for anything...

Thermostats 24 Volt Transformer C Wire Power Adapter for Nest, Ecobee, Honeywell WiFi Thermostats, Power Supply for Nest Hello, Ring Smart Doorbells Chime

  • Based on 22 reviews
Condition: New
Checking for product changes
$14.99 Why this price?
Save $205.00 was $219.99

Buy Now, Pay Later


As low as $3 / mo
  • – 4-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Sunday, May 26
Order within 21 hours and 42 minutes
Available payment plans shown during checkout

Features

  • Widely Match - 24v universal US power cable powers popular smart thermostat. Compatible with Nest, Ecobee, Honeywell, Emerson, Ecobe4 Smart WiFi thermostat, etc. 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.

Description

Continuous Power Supply You dont need to replace the battery all the time. No more low battery concerns. The thermostat will always turned on for your safety. Ultra Long Cable 16.4ft long cable will compatible with various indoor/outdoor environment. Plug in anywhere and the house stays tidy. Safety Protection Certificated quality, the adapter has a thermo sensor that could efficiently protect it from overheating. Capable for longtime operation. Read more


Package Dimensions ‏ : ‎ 3.86 x 3.43 x 2.24 inches; 11.36 Ounces


Date First Available ‏ : ‎ September 8, 2022


Manufacturer ‏ : ‎ ChooKaChoo


Country of Origin ‏ : ‎ China


Best Sellers Rank: #22,226 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #49 in Home Programmable Thermostats


#49 in Home Programmable Thermostats:


Customer Reviews: 4.2 out of 5 stars 22 ratings


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Sunday, May 26

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • PayTomorrow Financing
  • Apple Pay Later
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Works but doesn’t come with directions
Style: White
Took a while to figure out how to wire it correctly. Had to Google and look at other reviews to figure it out. Comes in a box with no directions. Hard part was figuring out which R connector to use. I first tried RH and C and that didn’t work. Then tried RC and C and it worked. I disconnected what was on RH and not sure what was on that connection. I needed the transformer because the AC and heater was not providing enough power to nest thermostat. I had a professional come out for 2 hours and couldn’t get power to work. So I googled the solution and found this transformer product. Posted pictures on the setup. The white wires are from transformer. You can see in the photo nest showed no power in the battery menu VOC=0. Then when I added wires to RC and C, the VOC=27 ... show more
Reviewed in the United States 🇺🇸 on October 2, 2022 by Chris Hutchins

  • An easy solution for a complicated problem
This adapter/transformer is a time and cost saver. I used it to power my new google nest thermostat. My old thermostat is connected to two wires labelled B and W. Though there is an R wire, it was not connected. In order to replace the wire connected to my old thermostat, it is a cost and time consuming. Adding R and C wire using this adapter solved a complicated problem in a few second. Highly recommended! ... show more
Reviewed in the United States 🇺🇸 on February 20, 2022 by Averroes

  • Does not work with all nest thermostats
Style: White
Good idea just doesn’t work with the basic neat thermostat
Reviewed in the United States 🇺🇸 on September 27, 2022 by Tom C.

  • The item work well for Ring
The item work well for Ring door bell no more need to remove battery and charge it
Reviewed in the United States 🇺🇸 on April 24, 2022 by Joe Houston

  • Na
Na
Reviewed in the United States 🇺🇸 on March 19, 2022 by Nicholas Reynolds

  • Great product
Great product
Reviewed in the United States 🇺🇸 on March 2, 2022 by Amazon Customer

  • Great product
Great
Reviewed in the United States 🇺🇸 on February 21, 2022 by ELON MUSK

  • Did not work on my Nest-e thermostat
Waste of money. Was hoping to use it as a common wire, but while it powered the thermostat it would not turn on the boiler. I had to revert the installation back to the original wiring.
Reviewed in the United States 🇺🇸 on April 2, 2022 by Robert LoPinto

Can't find a product?

Find it on Amazon first, then paste the link below.