Some simpler Wi-Fi thermostats are designed to work without the need for a C-wire. Some smart thermostat units will come with their own adapter, meaning you dont have to install a C-wire. Free shipping for many products! Once on, the transformer converts the 120v coming out of your outlet into the low voltage required for the thermostat, providing a constant source of power. Free shipping. Amazon Smart Thermostat for Alexa new open box. The problem will be solved if you install a C-wire adapter. Tap. B) Find the other end of the unused wire: Locate the other end of your thermostat wiring near your furnace or heating system, and then find the unused wire. Another issue is the long cable running inside the room (not hidden inside the wiring conduits), which tampers the visual beauty of your room interiors. Honeywell Home THP9045A1098 White Smart Thermostat C Wire Power Adapter. Unlike the rest of the circuitry in your home, the power going to your thermostat is (in most cases) much lower voltage. To purchase a c-wire adaptor:Click Here. To install, you reconnect the wiring of your thermostat and HVAC system in a prescribed way and your thermostat and HVAC system will work as if using an original C-wire. This is a more expensive option than installing a C-wire adapter because, generally speaking, it is not a DIY job. A C wire adapter (common wire adapter) is basically a small electronic device, which re-purposes the existing wiring between your thermostat and the furnace, to add a new wire to the system. to a boiler or heat pump, will also be 24 volts. How To Connect C Wire To Thermostat? Open Hours: Your last simple solution is to switch over to a thermostat that doesnt need a constant power source. Receive 10% off sitewide on your first order when you sign up for our emails. 1). Turn the circuit breaker/s on again. $5.00 Features such as Wi-Fi connectivity, smart functionality, and color displays will require a C-wire to function properly. Enclose the open pairing with the caps provided. This wire runs from the furnace into the thermostat, and its purpose is to enable the installation of a smart thermostat. A C wire transformer has two output wires; connect one wire to Rc terminal and the other wire to the C terminal of your thermostat. A regular thermostat only turns on when it is needed and then goes into a standby function. Free shipping. Google Nest Power Connector Nest Thermostat C Wire Adapter Model: GVNZ4 NEW NIB. Easy push terminals and an adhesive mount make installation quick and easy, while the closed cover conceals internal components. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Ecobee vs Nest Thermostat: Detailed Comparison, Open the thermostat plate and make the following connections, Remove the wire on G terminal and connect it to C terminal. 9am to 5pm CDT. 2023 Contractors.com LLC. Bring a flashlight, labels, phone, and screwdriver. Description. Don't do the "fan wire" trick It is true that you can re-purpose the fan wire as a power wire, but then you (and future homeowners who live in your home) won't be able to manually turn the fan on. View Now! Label each the following wires with the stickers provided with your new thermostat: If you don't have stickers, you can use tape and a pen. Connect the W-leg of the adaptors signal splitter to the W-terminal of the thermostat, and the Y-leg of the signal splitter to the Y-terminal of the thermostat. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. The thermostat will think it has a C-Wire connected even though it doesn't. As I mentioned, theres such a thing as a C-Wire adapter. Saturday and Sunday: 9am - 5:30pm CDT, Online Order Support and Customer Service A c wire adapter re-purposes the existing wires between the furnace and the thermostat. 2). $14.99. YES You can use this unused wire as a C wire to install your new thermostat (this will require connecting the unused wire to the C terminal at your thermostat, and at your HVAC equipment) Proceed to the next step. Look at those wires by referring to your picture and make sure you have both a G and Y This requires a lot of work because you will have to remove the current wire that runs between your thermostat and furnace and put in a new cable with 5 wires or greater. Honeywell Home C-Wire Adapter for Wi-Fi Thermostats THP9045A1098 New. Also known as a common wire, the C-wire is an additional circuit that works with a 24-volt thermostat system and provides it with a continuous flow of electricity. Lennox thermostats Try adjusting your thermostats temperature setting, if you dont feel the system running within 5 minutes, the power is off. As I learned during my Amazon Smart Thermostat review, if I didnt have a C-Wire, Id need to buy a separate adapter to make sure it would work in my DIY smart home. Here's how to tell if you have one, and what to do if you don't. The Ecobee SmartThermostat also offers an add a wire kit. Report Review Feb 4, 2021 This product is certified by Amazon to work with Alexa. Note: Be sure to remove the plastic tip on each wire before connecting to a terminal. Known as the common wire, (C-Wire) provides Wi-Fi thermostats continuous power from heating (e.g. By Honeywell Home THP9045A1098 C -Wire Adapter for Wi-Fi Thermostats (New & Seald) $12.99. Other thermostats may have screws, buttons, or clasps. Take thermostat off wall plate but leave wires connected. They are two different types of devices and are installed and used differently. Designed to cover any imperfections on a wall from removing your old thermostat. If you have a thermostat with a digital display and it goes blank, you can skip this process. 50 Pint vs 70 Pint Dehumidifier: Which Is Best? Thus, when a C-wire adapter is installed, you can forget about it it doesnt need special maintenance or a wall power outlet to function. Note: Don't label jumper wires that only connect between terminals. Carrier Thermostats Thats understandable since there are many factors to consider before Airflow Academy is a blog where our team members share tips and posts on the topic of home ventilation. This Disney movie is reportedly the biggest box office flop of 2022, iPhone 15 Pro Max could get Apple's first variable zoom camera, Samsung may bring back Exynos chips for the Samsung Galaxy S24. To purchase a c-wire adaptor: Click Here. This new wire will serve as the C wire or common wire to provide the necessary power to the thermostat. If you still dont see a C-Wire at your thermostat, check out your HVACs control board. If you have two to nine different multicolored, running out of your furnace, then you likely have a 24-volt system. Having said that, these adapters are bulky, so it would be best to find a way to bury them in the wall so that they do not become an eyesore. Label each wire on your existing wall plate with the stickers provided with your new thermostat. On the C-Wire Adapter's "Thermostat" side, press down a tab to open the corresponding terminal. Do Not Sell or Share My Personal Information, Limit the Use of Sensitive Personal Information. Thus, they only need and receive power when either the cooling or heating system was in use. Homeowner Support Because you are going to work with wires carrying power, ensure that you cut off the power before opening the thermostat or the furnace circuit board. NOTE: If at any point you are uncomfortable completing the steps, we recommend contacting a local HVAC contractor. labeled. Now that you know how a C-wire adapter works and how to install it, you may wonder whether it is really necessary to have a C-wire or C-wire adapter for your HVAC system. If you connect the G-wire with the C-wire terminal, youll have aC-wire installed. Click to enlarge. This product can be controlled with your voice through Alexa-enabled devices such as Amazon Echo and Amazon Tap. Picture 1 of 1. Nest Common Wire Transformer: https://amzn.to/3h5ZhutNest Thermostat:https://amzn.to/2uaqDb5Favorite Smart Home Devices: https://www.amazon.com/shop/onehoursmarthomeDid This Help? This bundle includes Certified Refurbished Amazon Smart Thermostat and C-Wire Power Adapter. NO If you are installing a Resideo Wi-Fi thermostat, a C-Wire is required. The C-Wire Power Adapter Quickly and easily powers connected thermostats that require a c-wire (common). . Adding a c wire is easier than you. Nest app Open the Nest app tap Settings . furnaces) and cooling systems (e.g. Ill explain how to install both the devices using images and videos below. Thermostat Battery Thermostat Wire If youre having trouble finding the C-wire, you may need to look behind the plastic frame to see if it was hidden in the wall. Professional Wire Crimping Tools. Some of the links on this website are affiliate links. 9am to 5pm CDT. B) Take a picture of the control panel wiring. Thermostat C-wires provide a constant current, perfect for smart Wi-Fi enabled thermostat units. Remove the wire on Y1 terminal (in furnace circuit) and connect the Yellow wire from venstar device into the Y1 terminal. . In the Compatibility information box, select Check compatibility. Pair this Blue wire with the wire we have removed earlier from Y1 terminal, and close it with the caps provided. Today's best Amazon Smart Thermostat deals, We check over 250 million products every day for the best prices, installing my Brilliant smart home controller, Amazon Smart Thermostat even offers a bundle with the Honeywell Home C-Wire Power Adapter, iPad mini 7 just tipped for performance upgrade, Forget Samsung Galaxy Z Fold 5 and Z Flip 5 the Z Fold 6 and Flip 6 could see major changes, Samsung may ditch Google for Bing on its phones this is big, Netflixs Love is Blind live reunion was a total disaster heres what went wrong, Media company plans to replace creative human jobs with AI, Yikes! Buy Me A Coffee: https://bit.ly/2Sonz7UWe teach you how to install a common wire for the Nest Thermostat. Please use the Compatibility Checker as needed. Note: If you have multiple unused wires, then label only one wire and make note of the color. Tip: Most thermostats can be removed by grasping and gently pulling. Use the included mount and adhesive pad to attach the C-Wire Adapter inside your furnace or heating system. A C wire transformer is quiet easy to setup as you just need to plug in the device and connect two wires to the thermostat. Most smart thermostats need a continuous 24 volts power provision and if your HVAC system doesnt have a C-wire your thermostats battery might be drained when the furnace is not working frequently enough. Youre free to buy any other model you feel good about. Relabel your G-Wire with the "C" sticker provided with your new thermostat. Venstar makes their own version of a power extender kit. Quickly and easily power connected thermostats that require a c-wire Use for Wi-Fi, 24v thermostats when a common wire is needed but not present Easy push terminals and an adhesive mount make installation quick and easy In this video we teach you how to install a c wire for your Nest Thermostat and we have another video that explains how to wire a Nest Thermostat. Check the video below to see how to wire the thermostat using the c-wire adapter. You can purchase a C-Wire Adapter This simple solution allows you to get around the C-wire problem without the need to even add said wire. There are adapters on the market designed to step down the 120 volts of a line voltage system to the 24 volts of a low voltage system. This is largely a plug-and-play add-on though, so once it is installed properly it should require no further attention. (Refer to your picture). I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. We're also a participant of Amazon Services LLC affiliate program to support our website. More and more new thermostats come with this wire already installed as manufacturers want to make converting to a smart thermostat an easier process. Now that you know your thermostat is a 24-volt model, its time to remove it and see the wires beneath it. 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