Honeywell FBA C7189R1004 Wireless Indoor Sensor | Premier White

Enhance thermostat accuracy with a discreet companion

The Honeywell FBA C7189R1004 Wireless Indoor Sensor helps provide a truer picture of room temperature when the thermostat is placed in a less-than-ideal sensing location. Its compact form fits into most spaces while delivering tangible data that your heating and cooling system can use to respond to actual conditions in the room you care about.

When ambient readings are skewed by placement or environmental factors, comfort can feel inconsistent. This sensor offers a practical solution: add a second data point without invasive installation. It is particularly useful in rooms where sunlight, drafts, occupancy, or furnishings influence perceived temperature, such as living rooms near windows, hallways, or bedrooms away from the main thermostat.

Key benefits

• Factory calibrated, so you can install without field adjustments
• Quick and simple installation with included mounting hardware
• Operates from 35 to 114 degrees Fahrenheit, covering typical home ranges
• Compact, decorative design that blends with most rooms
• Two AAA alkaline batteries included for immediate use

In the box

• Sensor unit
• Mounting hardware
• Two AAA alkaline batteries

Installation tips

• Choose a representative zone away from direct heat sources or vents
• Mount at roughly chest height for stable readings
• Ensure you follow your thermostat's pairing steps if required

How it works with your thermostat

Once installed, the sensor communicates with compatible thermostats or control systems to provide an alternate temperature reading. The additional data can help the system adjust more responsively, aiming for consistent comfort across the space.

Notes on design and durability

This small remote sensor is designed to blend with decor while remaining accessible for battery replacement. The included hardware supports simple wall mounting or placement on a shelf, making it a flexible addition to many setups.