Features & Benefits
- Enables installation of Honeywell Home Smart Thermostats without a C-Wire
- Easy wiring with push button terminals
- No need to run new wires
- Magnetic backplate for easy mounting
- Sleek and modern design for a clean installation site
- Home Page /
- Tools & Home Improvement /
- Building Supplies /
- HVAC /
- Thermostats & Accessories /
- Thermostats /
- Honeywell Home C-Wire Adapter | THP9045A2098/...
0 ratings
Item #:
85228948
Honeywell Home C-Wire Adapter | THP9045A2098/U
Item #:
85228948
TND 221
Price Details
Excluding Shipping & Custom charges ( Shipping and custom charges will be calculated on checkout )
*All items will import from US
In stock
Imported from USA store
QTY:
Only 1 item left in stock.
Order now and get it around Friday, September 04
Secured transaction
Ubuy works hard to protect your security and privacy. Our advanced payment security system ensures confidentiality by encrypting your information during transmission using AES (Advanced Encryption Standards) and SSL (Secure Socket Layer) protocols. Your payment details are 100% secure as we do not share your payment details with third party sellers.
Our Top Logistics Partners
The C-Wire Adapter makes Honeywell Home smart thermostats compatible with most homes that don’t have a common wire.
Fast
Shipping
Free
Return*
Secure Packaging
100% Original Products
PCI DSS Compliance
ISO 27001 Certified
Note: Step Down Voltage Transformer required for using electronics products of US store (110-120). Recommended power converters Buy Now.
What Stands Out
Easy Installation
The C-Wire Adapter THP9045A2098/U offers a straightforward installation process, allowing users to connect their smart thermostats without the need for professional help or additional rewiring.
Wide Compatibility
This adapter supports a range of heating and cooling systems, ensuring versatility and meeting various user needs, making it an ideal solution for different home environments.
Reliable Power Supply
Designed to provide consistent power to Wi-Fi enabled thermostats, this adapter enhances the performance of smart devices, ensuring reliable operation without interruptions, unlike other products in the market.
Product Details
| Controller Type | Push Button |
| Additional Features | C-Wire Adaptation |
| Specific Uses For Product | Thermostat Powering, C-Wire Adaptation |
| Temperature Control Type | Heating |
| Connectivity Technology | Ethernet |
| Power Source | Wired |
| Voltage | 24 volts |
| Display Type | LED |
| Control Type | Button Control |
| Control Method | Touch |
| Connectivity Protocol | Ethernet |
| Mounting Type | Magnetic Backplate Mount |
| Color | White |
| Shape | Rectangular |
| Product Style | Modern |
| Material Type | Metal, Plastic |
| Brand Name | Honeywell Home |
| Model Name | THP9045A2098/U |
| Included Components | Adapter, Magnetic Backplate, Modern Exterior Cover, 1 x Remote Control |
| Model Number | THP9045A2098/U |
| UPC | 194159013612 |
| Manufacturer | Resideo |
| Number of Items | 1 |
| Unit Count | 1 Count |
| Item Type Name | Adapter |
| Manufacturer Part Number | THP9045A2098/U |
| Item Weight | 2.4 ounces (68.04 grams) |
| Brand | Honeywell Home |
| Special Feature | C-Wire Adaptation |
Who Should Buy?
-
DIY Homeowners
Ideal for homeowners who want to upgrade their thermostat without complex rewiring of their HVAC systems.
-
Smart Thermostat Users
Perfect for users of smart thermostats lacking a C-wire, enabling proper power supply for consistent performance.
-
Cost-Conscious Consumers
A budget-friendly solution for adding smart technology without expensive installations or electrician services.
-
Professional Installers
Not ideal for HVAC professionals as it is primarily designed for DIY solutions and home user convenience.
Product Description
Have any Query? Chat with us
Customer Questions & Answers
-
Question:
What is the Honeywell Home C-Wire Adapter THP9045A2098U?
Answer: The Honeywell Home C-Wire Adapter THP9045A2098U is a device that allows thermostats to connect to a heating and cooling system without needing a C-wire. It provides a consistent source of power for smart thermostats that require constant voltage to operate efficiently. This adapter is especially useful for older HVAC systems that may not have a C-wire, enabling more homeowners to upgrade their heating controls to smart models. -
Question:
How does the C-Wire Adapter work?
Answer: The C-Wire Adapter works by converting the existing wire configurations to deliver the necessary power for smart thermostats. It gains power from the existing heating and cooling wires and redistributes the voltage to ensure that the thermostat remains powered reliably. This capability makes it possible to enhance your home's HVAC system without the need for extensive rewiring, simplifying the setup for homeowners. -
Question:
Is installation of the Honeywell Home C-Wire Adapter complicated?
Answer: Installation of the Honeywell Home C-Wire Adapter is designed to be straightforward. You typically mount it near your furnace or air handler, connecting it to the relevant wires following the supplied instructions. Many users find success with installations using basic tools, and those who are familiar with HVAC systems can often complete the process without professional assistance, leading to a more efficient and modernized thermostat solution. -
Question:
What smart thermostats are compatible with this adapter?
Answer: The Honeywell Home C-Wire Adapter is compatible with a wide range of smart thermostats, particularly those that require a C-wire for continuous power. Popular models from Honeywell, Nest, Ecobee, and others can easily be integrated with this adapter, allowing users to take full advantage of smart control features for managing their home heating and cooling systems. -
Question:
Can the C-Wire Adapter be used with any HVAC system?
Answer: While the C-Wire Adapter is versatile, it’s crucial to ensure compatibility with your specific HVAC system before installation. It works best with low-voltage heating and cooling systems, including gas, oil, or electric setups. Homeowners seeking an upgrade should assess their system's wiring configuration or consult with a professional to confirm suitability. -
Question:
What are the benefits of using a C-Wire Adapter?
Answer: Using a C-Wire Adapter significantly enhances the functionality of smart thermostats, ensuring they receive uninterrupted power. This not only provides consistent performance but also opens the door to advanced features like remote control, energy-saving algorithms, and programmable settings. Homeowners can experience improved convenience, control, and efficiency, all contributing to a smarter home. -
Question:
Does the Honeywell Home C-Wire Adapter come with a user manual?
Answer: Yes, the Honeywell Home C-Wire Adapter includes a detailed user manual that guides you through installation and troubleshooting. The manual is designed to provide clear instructions and diagrams, making it easier for users to set up the device correctly. Having this resource on hand can be tremendously helpful in facilitating a smooth installation experience, even for those less familiar with HVAC technologies. -
Question:
What should I do if my thermostat does not power on after using the adapter?
Answer: If your thermostat does not power on after connecting the Honeywell Home C-Wire Adapter, first check all wiring connections to ensure they are secure and correctly positioned. If all connections are intact, consult the user manual for troubleshooting tips. Additionally, it may be beneficial to check the compatibility of your thermostat model with the adapter to identify any potential issues. -
Question:
Where can I buy Honeywell Home C-Wire Adapter THP9045A2098U?
Answer: You can buy the Honeywell Home C-Wire Adapter THP9045A2098U at Ubuy in Tunisia. Ubuy offers a convenient shopping platform where you can find this adapter and explore additional electronic products to enhance your smart home experience. -
Question:
Are there any safety features built into the C-Wire Adapter?
Answer: Yes, the Honeywell Home C-Wire Adapter is designed with safety in mind, featuring built-in protections to prevent overheating and short circuits. These safety mechanisms help safeguard both the adapter and your HVAC system, allowing for worry-free operation. Homeowners can thus trust that their investment in smart technology is both secure and reliable.
Honeywell Home Thermostats THP9045A2098/U Editorial Review
The C-Wire Power Adapter received mixed reviews from customers. Those who were able to use it with the Honeywell T5 smart thermostat found it to work perfectly and easy to install, providing a convenient solution without the need for a C-wire. Users appreciated the efficiency and compatibility of the adapter, especially when upgrading to a smart thermostat. However, some customers faced compatibility issues with their specific HVAC systems and thermostats, finding the instructions confusing and the product description lacking clarity. Those who didn't require the adapter returned it, noting its good quality and reasonable price. Overall, the C-Wire Power Adapter is recommended for those looking to upgrade their thermostat without a C-wire, especially when used with a compatible thermostat like the Honeywell T5. However, potential buyers should ensure compatibility with their HVAC system and carefully review installation instructions to avoid any issues. **
Customer Reviews & Ratings
380 customers ratings
-
5 Star
71%
-
4 Star
11%
-
3 Star
6%
-
2 Star
1%
-
1 Star
11%
Review this product
Share your thoughts with other customers
Pros
- Easy to install for some users
- Works well with the Honeywell T5 smart thermostat
- Convenient solution for adding a C-wire without rewiring
Cons
- Confusing instructions for some users
Platform Trust & Buyer Confidence
MA
Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
CK
Chitra
Verified buyer
“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
K
kund
Verified buyer
“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
OO
Onesi
Verified buyer
“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
22 July 2026 · via Trustpilot
SJ
SAO JOHN
Verified buyer
“Ubuy is a great online platform to buy stuff. Reliable, fast delivery time and great value for money. I've been using Ubuy online shopping platform for three years now and will continue to do so.”
23 July 2026 · via Trustpilot
Secure Checkout
Global Delivery
Easy Returns
Genuine Products
Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
- Not all the products listed on Ubuy are for sale, as Ubuy is a global search engine. Products are subject to export/trade regulations.
TND 221
Order now and get it around Friday, September 04
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
Only 1 item left in stock.
Secured transaction
PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
Our Top Logistics Partners
Fastest cross-border delivery
Ubuy Assurance
Experience worry-free shopping with 100% original products, PCI DSS-compliant payment security, ISO 27001-certified data protection, the fastest cross-border delivery, free returns *, and secure packaging on every order.