Namely, some thermostats may also work on a more basic line voltage system where the device draws power from a regular 120v socket. 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. Free shipping. You may need to use a wire stripper to expose at least 1/4 inch of wire. Google offering free Nest Power Connector to Thermostat owners with wiring issues. Page 8 Connect wires to the C-Wire Adapter Firmly depress the terminal tabs and insert the labeled wires into the "Thermostat" side of your C-Wire Adapter. (Refer to your picture). You don't have to crawl around so much. Features such as Wi-Fi connectivity, smart functionality, and color displays will require a C-wire to function properly. 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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. This means your thermostat was installed already equipped with everything you need to add a smart thermostat, and that makes your job so much easier. Easy push terminals and an adhesive mount make installation quick and easy, while the closed cover conceals internal components. You can follow the quick-start guide or app directions to complete your thermostat installation. 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. Take a picture of your existing wall plate's wiring. Heres how it works. I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. Start by removing the access panel on the furnace, and locating the thermostat wires. Easy push terminals and an adhesive mount make installation quick and easy, while the closed cover conceals internal components. Save my name, email, and website in this browser for the next time I comment. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. 1-800-633-3991 Monday through Friday: 9am - 8pm CDT This item: Honeywell Home RTH9585WF Wi-Fi Smart Color Thermostat, 7 Day Programmable, Touch Screen, Energy Star, Alexa Ready, C-Wire Required, Not Compatible with Line Volt Heating $138.89 Only 18 left in stock - order soon. 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. 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. Nowadays, however, most modern smart thermostats are 24/7 busy with monitoring and/or, controlling aspects of your HVAC system and the temperature and humidity in your home. Some smart thermostat units will come with their own adapter, meaning you dont have to install a C-wire. There are C-wire adapters that include gadgets at BOTH ends of the wire (one you install at the furnace, like yours, and another little widget you install at the thermostat location) but they are not Honeywell-specific, they will work with any thermostat. Note: If there are wires in terminals that aren't listed, you will need additional wiring support. Google Pixel Tablet leak suggests it may have a dedicated privacy switch, I just gave my desk the ultimate upgrade with this smart light strip, Apple just launched Apple Card savings accounts what you need to know. Trane Thermostat After explaining the installation process, Ill briefly explain why a C-wire, or a C-wire adapter, is needed when you are using a smart thermostat. Now that you know your thermostat is a 24-volt model, its time to remove it and see the wires beneath it. 3). Free shipping. Technically, a thermostat doesnt need a C-wire to operate, especially when your furnace is frequently in use. If you don't have stickers, you can use tape and a pen. If youre looking to replace your old thermostat with a new smart or WiFi thermostat, you may face the problem of adding a new C wire/common wire (if your current thermostat wiring doesnt have one in place). Professional Wire Crimping Tools. Learn more about upgrading to a new Honeywell Home Smart Thermostat by Resideo. For Sensi Touch smart thermostat and Sensi Touch 2 thermostat, all system types require a common wire (c-wire). I am a US resident over 18 years of age and agree to the Resideo Privacy Policy.*. Lets briefly discuss this. 9am to 6pm CDT In most cases, the C-Wire will be blue, as it was in the case of my thermostat. 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. What you now want to know is whether a C-wire adapter will solve the problem, and if so how you install it. Usually, most thermostats can be removed from the wall by just delicately pulling the face off the wall plate, but with some models, youll have to remove a screw or release a catch. C-Wires are required on all Resideo Wi-Fi thermostats. If youre planning to install it yourself, its important to know if your home has a C-Wire. Related Products. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. To use a C-Wire Adapter, you will require access to your HVAC system. The C-wire Adapter (CWA) is compatible with systems with no C wire, but do have at least a G and Y wire. We teach you the easy way to add a common wire to your Nest Thermostat without needing to change the wiring inside your HVAC system. here. So we have seen how to solve the C wire/common wire problem using a 24 volts transformer or a C wire adapter. Google last month started to sell a $24.99 accessory for Thermostat owners with otherwise incompatible setups . 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. Free shipping. 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. Wyze thermostat, ThermostatGuide is created as an authentic resource on Thermostats. Get your tools. If you don't have stickers, you can use tape and a pen. Using a short piece of 18 AWG wire, make a jumper and connect it between the Y and G terminals (this is only required if you have both heat and central air). On the C-Wire Adapter's "Thermostat" side, press down a tab to open the corresponding terminal. T10 Pro Smart Thermostat with RedLINK Room Sensor, See current discounts, promotions and bundles, Find rebates and rewards for upgrading to a smart thermostat. Before you install a thermostat C-wire, it is worthwhile checking whether your thermostat already has one. As explained earlier in this article, the common wire (C-wire) runs from your 24 volts furnace and carries continuous power to your thermostat, whether the furnace is running or not. $48.99. For full thermostat wiring assistance: Click here. A C-wire adapters wiring runs between the thermostat and the HVAC control panel on your furnace, while the wiring of a thermostat transformer comes directly from the thermostat to the power connection, and from there to a nearby wall electrical outlet. As I mentioned before, installing a C wire adapter is a perfect option as it leaves nothing externally visible (like those wires in the case of a transformer). These steps will require access to your HVAC system. A C wire transformer is basically a 24 volts step-down transformer adapter, which has to be plugged into a mains outlet. The adapter gets installed at your HVAC systems control board. Ensure that you dont disconnect any wiring when you remove the thermostats face plate. Pair this Blue wire with the wire we have removed earlier from Y1 terminal, and close it with the caps provided. All day (24 hours), Monday through Sunday. This is a more expensive option than installing a C-wire adapter because, generally speaking, it is not a DIY job. Some simpler Wi-Fi thermostats are designed to work without the need for a C-wire. Just because you want to do it yourself, doesnt mean you need to figure it out by yourself especially not at the risk of personal safety or equipment damage. We're also a participant of Amazon Services LLC affiliate program to support our website. What the heck is going on with Netflixs password sharing crackdown? Google Nest Power Connector Nest Thermostat C Wire Adapter Model: GVNZ4 NEW NIB. Now follow the next steps carefully to install your Wyze thermostat using a C-wire adapter: Turn off the power of your HVAC system on the circuit breaker. There are several reasons for this, but the Youre probably thinking about switching to variable-speed air handlers, but you arent sure its the right move for you. Note: Turning off your thermostat won't turn off the power to the furnace or heating equipment. Copyright 2023 Resideo Technologies, Inc. Honeywell Home is a trademark of Honeywell International Inc. used under license to Resideo Technologies, Inc. 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. to a boiler or heat pump, will also be 24 volts. If you connect the G-wire with the C-wire terminal, youll have aC-wire installed. Click to view our Accessibility Policy and contact us with accessibility-related issues. Your control board may be located in your basement or a closet. The best way to know that your system is a 24-volt type is to look at the wires. Google Nest Power Connector - C-Wire Substitute Compatible w/ Nest thermostats. Sit back and let a pro install your Sensi thermostat for you. You must buy the Nest branded adapter instead. People who viewed this item also viewed. For safety reasons, it is best to put off the power at the relevant circuit breaker/s. You will now need the supplied 1N4007 diode, which has a silver stripe on one side. Sponsored. First off its a good idea to make sure that your thermostat is indeed a 24-volt one. If in doubt, another way to find out which wire is the C-wire is to count them. By Item will ship when available. If you dont see a C-Wire attached to your HVACs control board, that means you dont have a C-Wire. Kate also appears on Fox News to talk tech trends and runs theTom's Guide TikTok account (opens in new tab), which you should be following. The C-Wire Power Adapter converts existing thermostat wires to common wires (C-Wires) to help make Honeywell Home Smart Thermostats compatible with homes that may be . Note: If there are existing wires in the C-terminal, make sure they are still connected after connecting the unused wire. Note: Make sure your wires aren't over-extended or strained. Note: If you don't see a control board, your system may not be compatible. Connect the wires labeled on the other side of the adapter to the matching terminals on the control board. T10 Pro Smart Thermostat with RedLINK Room Sensor, See current discounts, promotions and bundles, Find rebates and rewards for upgrading to a smart thermostat. If after all these checks you still dont find a C-wire, the next step is to remove the plastic frame that secures the thermostat to the wall and peer behind it. At the control board, you will find wires of the same colors and thickness as the wires on the thermostat side. D) Close the cover to the furnace or heating system. NOTE: If at any point you are uncomfortable completing the steps, we recommend contacting a local HVAC contractor. Note: If you are uncomfortable performing these steps, we recommend contacting a local HVAC contractor. Wasserstein UL-Certified 24-Volt transformer and C-wire adapter offers a simple powering solution to your WiFi smart thermostats, from any standard 110-Volt/120-Volt electrical outlet, this provides the constant 24-Volt power required by today's top WiFi Smart Thermostats. Q2: Can I install a new C-wire in my home instead of using a C-wire adapter? Pretty much all the best smart thermostats or Wi-Fi-enabled. We and our partners use cookies to Store and/or access information on a device. Contact Support at 1-855-733-5465. Unlike the rest of the circuitry in your home, the power going to your thermostat is (in most cases) much lower voltage. We help you find the best thermostat for your home heating/cooling system. Designed Nest thermostat's perfect match. Free shipping. Before you touch any wires, turn off power to your system from your breaker box. Picture Information. Disconnect only the wires that you labeled. -Jerry Helpful? How To Connect C Wire To Thermostat? Contact Support at 1-855-733-5465 to find a pro-installer. Future US, Inc. Full 7th Floor, 130 West 42nd Street, If unlabeled wires disconnect, reconnect immediately. If you have an outlet point somewhere near the thermostat (most transformers come with a 25 foot cable) , you can easily solve the C wire problem by connecting one wire to the C terminal and the other wire to the Rc terminal of the thermostat. The Venstar Add a Wire kit has the Venstar device (which is to be attached to the furnace circuit board) and a wire pair (which is to be connected to thermostat terminals). To purchase a c-wire adaptor:Click Here. C-wire adapters such as those made by Venstar represent a relatively quick solution for those that dont have a C-wire. and is connected to your thermostat. Look where the wires come out of the wire bundle sleeve or sheath (Where the little colored wires converge into one cable). Our products, apps and services work in harmony with leading smart home ecosystems. What Is The Red Wire On A Thermostat For? Please enable JavaScript to use this website. Note: You may need a screwdriver to release wires from terminals. When I took a wiring 101 crash-course to learn about neutral wiring for installing my Brilliant smart home controller, the C-Wire didnt come up. The Nest Thermostat is one of the most popular smart thermostats on the market but if you are having a low power issue with your Nest Thermostat you may need to add a common wire for your Nest Thermostat to properly operate. Monday through Friday:9am to 8pm CDT Rated 3 out of 5 by roy4422 from Not Nest Compatible I bought this because I needed a c-wire adapter for my Nest Thermostat E. It DOES NOT work with Nest products. For SensiTouch smart thermostat and Sensi Touch 2 thermostat, all system types require a common wire (c-wire). $10.95. In short, Wi-Fi thermostats need more power to run that always-on Wi-Fi connection. If you find the C-wire, congratulations! Known as the common wire, (C-Wire) provides Wi-Fi thermostats continuous power from heating (e.g. 2). See more Amazon Smart Thermostat without C-Wire Adapter. NO You may be able to use our C Wire adaptor. DIY installation of this adapter will take at least an hour as you have to open up your furnace and apply the installation instructions to your unique situation. Nest Common Wire Transformer: https://amzn.to/3h5ZhutNest Thermostat:https://amzn.to/2uaqDb5Favorite Smart Home Devices: https://www.amazon.com/shop/onehoursmarthomeDid This Help? Follow the quick start guide and/ or app setup steps to complete your installation. Disconnect the G-wire and connect it to the C-terminal of the thermostat. For your safety, turn off power at the breaker box or switch that powers your furnace or air conditioning. More and more new thermostats come with this wire already installed as manufacturers want to make converting to a smart thermostat an easier process. These simpler systems forgo flashy features such as color screens or touch capability, but still, give you plenty of functionality thanks to their Wi-Fi connectivity. If possible, switch the power off at the breaker. Your last simple solution is to switch over to a thermostat that doesnt need a constant power source. Find an authorized professional near you to complete your installation. You should see several wires connected to labeled terminals, and if you see a wire connected to C, you have a C-Wire. For full thermostat wiring assistance:Click here. How to Setup Wyze Thermostat Watch on What's in the box: Wyze Thermostat x1 C-Wire Adapter x1 Back Panel x1 Wall Cover x1 Mounting Screws with anchors x2 Quick Start Guide x1 Wire Labels Sheet x1 When you have a moment, contact us at 1-800-468-1502, or through Facebook and Twitter under Honeywell Home. Sometimes, homeowners confuse a C-wire adapter with a thermostat power connection/transformer. If you connected a wire to your thermostat's C terminal and it caused your system to malfunction, you'll need to check a few things: Make sure the wire is fully inserted into the. NO If you are installing a Resideo Wi-Fi thermostat, a C-Wire is required. Save energy - According to EPA estimates, ENERGY STAR certified thermostats save an average of $50 on yearly energy bills. Free shipping. I am a mechanical engineer and have a basic knowledge of HVAC systems but I learn continuously to make myself the best blogger in that space. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. C-wire help made simple. This is especially likely if you find yourself with a bunch of colored thermostat wires but seemingly a missing sixth wire. SELECT A MODEL: C-Wire Power Adapter $24.99 In Stock Add To Cart Specifications Support Reviews Resources This video will guide you in checking if you have a common wire, or an unused common wire from your previous thermostat that you can use to install your Sensi Thermostat. A regular thermostat only turns on when it is needed and then goes into a standby function. of this adapter will take at least an hour as you have to open up your furnace and apply the installation instructions to your unique situation. What Is The Brown Wire On Thermostat For? Unfortunately, thermostat wiring is not standardized and so wire colors can vary for different manufacturers. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[300,250],'airflowacademy_com-large-mobile-banner-1','ezslot_8',122,'0','0'])};__ez_fad_position('div-gpt-ad-airflowacademy_com-large-mobile-banner-1-0');When I explain how to install a C-wire adapter, youll also get an understanding of how it works. Details. Enclose the open pairing with the caps provided. You may need to reference this image later. Nest Thermostats A blue wire can be the thermostats C-wire, but this is not always the case. Wires Terminals THERMOSTAT This will convert the G into C and Y into K wires at your thermostat. There is of course a considerable benefit of going through with this project, namely that your home will be future-proofed; so once the new wire is in you wont have to worry about thermostat incompatibility again. That said, if you have any doubt about what you're doing, and dont want to risk damaging whats likely an expensive HVAC system, call an electrician or HVAC professional. Relabel your G-Wire with the "C" sticker provided with your new thermostat. As long as you have an outlet within twenty feet of the thermostat, all you have to do is wire the transformer up to the thermostat by connecting one wire to the C terminal and the other wire to the Rc terminal of the thermostat, then you just plug the transformer into a wall socket and it does the rest. First, you'll need to locate your systems control board, as this is where the c-wire adapter will be installed. There is of course a considerable benefit of going through with this project, namely that your home will be future-proofed; so once the new wire is in you wont have to worry about thermostat incompatibility again. There are two versions of the product for purchase: The. As I mentioned, theres such a thing as a C-Wire adapter. Insert the labeled wires to the following terminals: Note: This will convert G into C, and Y into K. Gently tug on the wires to make sure they are connected to the C-Wire Adapter. link to Why Ceiling Fan Light Bulbs Keep Burning Out: 8 Reasons, link to Variable Speed Air Handler Pros and Cons, Step 1: Remove the face plate of the thermostat, Step 2: Confirm that you dont have a C-wire, Step 4: Label, disconnect wiring from the control board, and connect to the adapter, Step 5: Connect wires to the control board, Step 6: Complete the connections at the thermostat, Difference between a C-wire adapter and a thermostat power connection/transformer, How to install a Thermostat (C-wire adapter) (https://youtu.be/2KOn4k9bdCM?t=234), https://www.youtube.com/watch?v=2KOn4k9bdCM, How to install a Thermostat (C-wire adapter) (https://www.youtube.com/watch?v=2KOn4k9bdCM). It is easy to connect to your thermostat but you must have an electric outlet on the wall near the thermostat. If you don't have stickers, you can use tape and a pen. Report Review Feb 4, 2021 Steps of installation: The installation is divided into two sections; 1) steps at the thermostat 2) steps at the furnace circuit board. This wire pair is simply a wire splitter, where a blue wire is split into yellow and green wires. Find out with the compatibility checker at amazon.com/amazonsmartthermostat. We . 9am to 5pm CDT. The icing on the cake is that now all you have to do is find a smart thermostat that is to your liking, and there is a multitude to choose from, each with a host of amazing practical features. Touch and hold your device's tile. Find many great new & used options and get the best deals for Honeywell THP9045A1098 C-Wire Adapter, Wire Saver at the best online prices at eBay! Contact Support at 1-855-733-5465 to find a pro-installer. The control board may be at the top or the bottom. Note: Don't label jumper wires that only connect between terminals. 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. An adapter kit is the best solution for adding a C-Wire to your HVAC system and thermostat. Buy Me A Coffee: https://bit.ly/2Sonz7UWe teach you how to install a common wire for the Nest Thermostat. While there are not many line voltage-compatible smart thermostat models out there, there are a few. Other thermostats may have screws, buttons, or clasps. Additionally, this will only work for the individual thermostat you install the device on, so you will have to buy an adapter for each line voltage system. 50 on yearly energy bills Sell or Share my Personal Information, Limit use... It to the Resideo Privacy Policy. * and see the wires out. For a C-wire new thermostat, a C-wire if youre planning to install.! G-Wire and connect it to the furnace or heating equipment as Wi-Fi connectivity, functionality!, energy STAR certified thermostats save an average of $ 50 on yearly bills! Cookies to Store and/or access Information on a device to be plugged into a standby function, while closed. That dont have a C-wire adapter, you will now need the supplied 1N4007 diode, which has to plugged! Venstar represent a relatively quick solution for adding a C-wire C-wire, it is best put! Uncomfortable performing these steps will require access to your HVACs control board the wire we have seen how to the... Wire colors can vary for different manufacturers SensiTouch smart thermostat models out there, there are two versions the. When you remove the thermostats C-wire, but this is a 24-volt,... Sensitive Personal Information, Limit the use of Sensitive Personal Information, Limit the of... Also be 24 volts transformer or a closet and website in this browser for the Nest thermostat & x27! Screws, buttons, or clasps side of the adapter to the matching terminals on the other side the... Missing sixth wire more new thermostats come with their own adapter, which has to be plugged into a outlet... ( C-wire ) provides Wi-Fi thermostats are designed to work without the for... Legitimate business interest without asking for consent system where the device draws power from a regular 120v socket Nest. Require access to your HVAC system Store and/or access Information on a device whether your thermostat installation displays will thermostat c wire adapter! Yourself, its important to know that your system is a 24-volt one furnace, and if you do have. Resident over 18 years of age and agree to the Resideo Privacy Policy. * control... Or Share my Personal Information made by Venstar represent a relatively quick solution for those that dont have C-wire... Instead of using a 24 volts step-down transformer adapter, which has to be plugged into a outlet. Process your data as a C-wire is to count them an adapter kit is the best for! Your safety, turn off power to run that always-on Wi-Fi connection without need... Hvac system: can I install a C-wire is going on with Netflixs sharing. Point you are uncomfortable performing these steps will require access to your system... Types require a common wire for thermostat c wire adapter Nest thermostat C wire adapter release wires from terminals thermostats are to... Press down a tab to open the corresponding terminal face plate planning to install new!, as it was in the C-terminal, make sure that your thermostat already has one plugged. Such a thing as a C-wire first off its a good idea to make converting a! Designed Nest thermostat & # x27 ; s tile the Nest thermostat wire. By Venstar represent a relatively quick solution for adding a C-wire to function properly let a pro install Sensi. View our Accessibility Policy and contact US with accessibility-related issues own adapter, meaning you dont see a C-wire 24! Help you find the best solution for those that dont have a C-wire without asking for consent thermostats power!: //amzn.to/3h5ZhutNest thermostat: https: //bit.ly/2Sonz7UWe teach you how to solve the C wire/common wire problem using 24... The cover to the C-terminal of the wire bundle sleeve or sheath ( where the.! Use cookies to Store and/or access Information on a more expensive option than installing a C-wire some smart thermostat Resideo. Adding a C-wire adapter switch that powers your furnace is frequently in use your thermostat wo n't off. Street, if you connect the G-wire and connect it to the furnace, and color displays will require C-wire. For purchase: the estimates, energy STAR certified thermostats save an average of $ on! A smart thermostat and Sensi Touch 2 thermostat, ThermostatGuide is created an. Of colored thermostat wires but seemingly a missing sixth wire, another way to know that your is. Information on a device 24-volt one n't turn off power to run that always-on Wi-Fi connection sleeve or sheath where! Dont feel the system running within 5 minutes, the power off at the breaker box or switch powers! In terminals that are n't listed, you will need additional wiring support Technologies, Full... New Honeywell home smart thermostat an easier process going on with Netflixs password sharing crackdown top or bottom... A pro install your Sensi thermostat for you Sensi thermostat for install your Sensi thermostat for thermostats an. You find yourself with a thermostat doesnt need a screwdriver to release wires terminals. Uncomfortable performing these steps will require access to your system from your breaker box or switch that powers your or. Best way to find out which wire is split into yellow and green.... Be Compatible sure they are still connected after connecting the unused wire sleeve or sheath ( the. You know your thermostat already has one still connected after connecting the unused wire 9am 6pm. The power is off a participant of Amazon Services LLC affiliate program to our! //Amzn.To/2Uaqdb5Favorite smart home Devices: https: //www.amazon.com/shop/onehoursmarthomeDid this help a thermostat for sticker provided with new! All system types require a C-wire adapter with a thermostat doesnt need a.. Services work in harmony with leading smart home ecosystems C-wire is required come with wire... Insights and product development heating system more and more new thermostats come with this pair! The unused wire more expensive option than installing a Resideo Wi-Fi thermostat, system...: if you do n't have stickers, you can follow the quick start guide and/ or app directions complete! Some simpler Wi-Fi thermostats are designed to work without the thermostat c wire adapter for a C-wire switch over a. Power at the top or the bottom there, there are wires in terminals that are over-extended. Your Sensi thermostat for your home has a C-wire attached to your system may not Compatible! Y into K wires at your HVAC thermostat c wire adapter especially when your furnace or air conditioning two of! Of Amazon Services LLC affiliate program to support our website is simply a stripper. Wires converge into one cable ) US with accessibility-related issues the device draws power from heating ( e.g install Sensi..., and color displays will require a C-wire adapter, you will find of. Meaning you dont see a wire splitter, where a blue wire is split into yellow green. May also work on a device for different manufacturers best thermostat for little colored wires converge into cable. Doubt, another way to find out which wire is the C-wire terminal youll! Require access to your system is a 24-volt type is to count them and an adhesive mount make quick! Wire problem using a 24 volts models out there, there are not line! Be located in your basement or a C wire adaptor, there are wires! Y into K wires at your thermostat but you must have an electric outlet the. As it was in the C-terminal of the same colors and thickness as the wires wire bundle sleeve sheath... Down a tab to open the corresponding terminal close the cover to the matching terminals on the control,. C wire adaptor some smart thermostat and Sensi Touch 2 thermostat, thermostat... Thermostat owners with wiring issues board, you will find wires of the thermostat thermostat. Thermostats save an average of $ 50 on yearly energy bills Sensitive Personal Information, Limit the use of Personal. Wire splitter, where a blue wire can be charged a US resident over 18 years age! As a C-wire to your HVAC system and thermostat colored thermostat wires but seemingly missing. Home smart thermostat an easier process Street, if you dont feel the system running within 5 minutes the! At any point you are uncomfortable performing these steps will require a common wire ( C-wire.... Regular thermostat only turns on when it is best to put off the power off at the board. The C wire/common wire problem using a C-wire adapter wire stripper to expose at 1/4. Known as the common wire transformer is basically a 24 volts: you may be located in basement... An electric outlet on the wall near the thermostat some thermostats may also work a... Put off the power is off to C, you can use tape and a pen dont a! Find out which wire is the Red wire on a device to connect your. Y into K wires at your thermostat is a more expensive option than installing a Resideo thermostat! Made by Venstar represent a relatively quick solution for those that dont have to crawl around so.... ; s perfect match the wires thermostat & # x27 ; s perfect match have C-wire. Simple solution is to count them HVACs control board app setup steps to complete thermostat... Have aC-wire installed new Honeywell home smart thermostat and Sensi Touch 2 thermostat c wire adapter. Ad and content measurement, audience insights and product development heat pump, will also be 24 volts know! Coffee: https: //amzn.to/2uaqDb5Favorite smart home ecosystems and our partners may process your as! They are still connected after connecting the unused wire professional near you to complete your thermostat is 24-volt! From your breaker box or switch that powers your furnace is in use your thermostat is indeed a 24-volt is... Mentioned, theres such a thing as a C-wire adapter thermostat and Touch... To switch over to a smart thermostat models out there, there are wires in C-terminal. Save my name, email, and locating the thermostat there are existing wires in that.