
123872A Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $74.47 | Top Pick! Condition is New, Resideo 123872A Copper Well Assembly 3 Insertion 3-8 Diameter 1-2 NPT, FREE SHIPPING | ![]() |
![]() | $83.20 | Condition is New, Resideo 123872A 1/2" Well Assembly, FREE SHIPPING | 99.7% |
![]() | $85.73 | Condition is New, Resideo 123872A HONEYWELL 1/2 WELL ASSEMBLY, FREE SHIPPING | 98.7% |

The Resideo 123872A Honeywell T9 Series Thermostat is a sleek and modern heating and cooling control solution designed to provide optimal comfort and energy savings for your home. This Wi-Fi enabled thermostat features a large, easy-to-read 7-inch touchscreen display that allows for simple and intuitive temperature adjustments, scheduling, and system management.
The T9 Series Thermostat comes with built-in Amazon Alexa and Google Assistant voice control capabilities, enabling you to make temperature adjustments, check the weather, and even ask for other information using just your voice. It also supports Apple HomeKit and the Resideo Total Connect Comfort app, allowing you to remotely access and control your thermostat from anywhere using your smartphone or tablet.
This thermostat utilizes advanced algorithms to learn your temperature preferences and automatically adjust the temperature in your home to maximize comfort while minimizing energy usage. It also offers a range of features designed to help you save energy and reduce your utility bills, including automatic setback, vacation mode, and open window detection.
The T9 Series Thermostat is designed with a contemporary aesthetic, featuring a slim profile and a clean, modern design that will complement any home decor. It is also easy to install, with a simple wire configuration and a step-by-step installation process that can be completed in just a few minutes. The thermostat comes with a reusable filter reminder and a built-in temperature sensor, ensuring accurate temperature readings and optimal system performance.
Overall, the Resideo 123872A Honeywell T9 Series Thermostat is a versatile and feature-rich heating and cooling control solution that is perfect for homeowners who want to maximize comfort, energy savings, and convenience. With its large touchscreen display, voice control capabilities, and advanced energy-saving features, this thermostat is sure to make a valuable addition to any home.
Pros and Cons of buying a Resideo 123872A Honeywell Thermostat
The Resideo 123872A Honeywell thermostat is a popular smart thermostat model known for its energy-saving features and user-friendly interface. Here are some pros and cons that can help you make an informed decision about purchasing this thermostat:
Pros:1. Energy Savings: The Resideo 123872A Honeywell thermostat is designed to learn your heating and cooling preferences and adjusts the temperature accordingly, resulting in significant energy savings.
2. User-Friendly Interface: The large, easy-to-read display and simple controls make it convenient for users of all ages and technical abilities to operate the thermostat.
3. Compatibility: This thermostat is compatible with most HVAC systems, including gas, electric, and oil, making it a versatile option for various homes.
4. Smart Features: The Resideo 123872A Honeywell thermostat comes with advanced features like geofencing, voice control, and remote access, allowing users to manage their home temperature from anywhere.
5. Easy Installation: The thermostat's DIY installation process saves time and money, as professional installation is typically not required.
Cons:1. Limited Compatibility with Older Systems: While the Resideo 123872A Honeywell thermostat is compatible with most HVAC systems, it may not work with older or more complex systems, requiring additional wiring or professional installation.
2. Lack of Integration with Certain Home Automation Systems: Although this thermostat offers smart features, it may not integrate seamlessly with some home automation systems, limiting its overall functionality.
3. Price: Compared to some other smart thermostats on the market, the Resideo 123872A Honeywell thermostat can be relatively expensive for budget-conscious consumers.
Conclusion:The Resideo 123872A Honeywell thermostat offers several benefits, including energy savings, user-friendly interface, smart features, compatibility with various HVAC systems, and easy installation. However, it may not be the best option for those with older or more complex HVAC systems or limited budgets. Ultimately, the decision to purchase this thermostat comes down to your specific heating and cooling needs and priorities.
Recommendation:If you're looking for a smart thermostat that offers energy savings, user-friendly interface, and compatibility with most HVAC systems, the Resideo 123872A Honeywell thermostat is an excellent choice. However, if you have an older or more complex system or a limited budget, you may want to consider other options that better suit your requirements.
Details:
W/3 insertion. Call to use a shipping service other than the ones listed. Sells new and surplus product develops channels to purchase such. Honeywell 123872A / brand new 1/2 not.
All products are guaranteed to be working but may show signs of use if purchasing a used product. Packaging and handling: items are safely eds packaged in custom shipping cartons for protection. Part number 123872A.
specifications maxohvac:
- brand: Resideo
- mpn: 123872a
shipping maxohvac:
- transit: 29-34 days
- class: standard
- service: standard
- type: fixed
offer maxohvac:
- sold #: 8
- options: ship-to-home
- in stock #: 3
- started: april 4, 2026
- prices: $74.47–$85.73
- item condition: New
- availability: in stock
payments maxohvac:
- credit card: discover
- other
- wallet: apple-pay
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
returns maxohvac:
- paid by: buyer
- time: 30 days
- policy: returns accepted
- method: money back
seller maxohvac:
- city: 1 millennium dr, willingboro, nj 08046
- # reviews: 197809
- rating: 99.6%
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