Description
Product Overview
The Honeywell FBA C7189R1004 Wireless Indoor Sensor is a compact, battery‑powered temperature sensor designed to work flawlessly with modern HVAC control systems. Housed in a sleek Premier White plastic enclosure, the unit measures 30″ D × 8″ W × 6″ H and weighs just 2.89 oz, making it unobtrusive on any wall surface. It features a digital display that shows real‑time temperature data, a push‑button controller for manual adjustments, and a ZigBee communication protocol that ensures reliable, low‑latency data transmission to compatible thermostats. The sensor operates on two AAA alkaline batteries (included) and is rated for an operating temperature range of 35 °F to 114 °F, covering the full spectrum of residential heating and cooling needs. Factory calibrated out of the box, the device requires no field calibration, guaranteeing accurate readings from day one.
![[Product front view showing all components]](https://www.corego.store/wp-content/uploads/2026/08/f9dce37880b4401fbb2d7e6e32462fbd.jpg)
Usage
Ideal for residential living rooms, bedrooms, home offices, and even small commercial spaces, this sensor can be mounted on any flat wall using the supplied hardware. Its wireless design eliminates the need for complex wiring, allowing homeowners to install the unit in minutes. The sensor continuously monitors ambient temperature and relays the data to a compatible Honeywell thermostat or any ZigBee‑enabled smart hub, enabling precise climate control that adapts to real‑time conditions. Because it is battery powered, the sensor remains operational during power outages, ensuring that temperature data is never lost. The neutral white finish blends seamlessly with a variety of interior décor styles, from contemporary to traditional, making it a versatile addition to any room.
Why Choose Us
Choosing the Honeywell FBA C7189R1004 means selecting a product backed by decades of expertise in climate control technology. Honeywell’s reputation for reliability is reflected in the sensor’s robust plastic construction, which resists impact and wear while maintaining a clean, modern appearance. The device’s ZigBee connectivity ensures compatibility with a broad ecosystem of smart home devices, giving users flexibility in how they integrate temperature monitoring into their existing setups. Factory calibration eliminates the guesswork often associated with DIY sensor installation, delivering confidence that the temperature data is precise. Additionally, Honeywell provides comprehensive customer support, including detailed installation guides, online troubleshooting resources, and a responsive service team ready to assist with any questions.
Key Features
- Easy wall‑mount installation with all hardware included – no professional help required.
- Battery powered (2 AAA batteries) for uninterrupted operation even during power outages.
- Factory calibrated for accurate temperature readings right out of the box.
- Sleek Premier White design that complements any interior décor.
- Responsive customer support and warranty coverage for peace of mind.
FAQ
What type of batteries does the sensor use and how long do they last?
The sensor uses two standard AAA alkaline batteries, which are included in the package. Under typical residential use, the batteries can last up to 12 months before replacement is needed.
Can the sensor be used with non‑Honeywell thermostats?
Yes. Because the sensor communicates via the ZigBee protocol, it can pair with any ZigBee‑compatible thermostat or smart hub, not just Honeywell models.
Is the sensor compatible with smart home platforms like Amazon Alexa or Google Assistant?
When connected to a ZigBee‑enabled hub that integrates with Alexa or Google Assistant, the sensor’s temperature data can be accessed through voice commands and displayed on compatible smart displays.
Do I need to calibrate the sensor after installation?
No. The sensor is factory calibrated, so it provides accurate temperature readings immediately after installation without any additional calibration steps.
What is the recommended mounting height for optimal performance?
Mount the sensor at eye level, typically between 4 and 6 feet from the floor, away from direct sunlight, drafts, or heat sources to ensure the most accurate ambient temperature measurement.




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