Honeywell HomeSKU: 644921

Honeywell Home C7089R1013/U Temperature and Humidity Sensor

$100.83
Low Stock (2)

Give your Honeywell Home RedLINK system a complete picture of outdoor conditions with the C7089 Wireless Temperature and Humidity Sensor. This compact outdoor sensor transmits real-time temperature and humidity readings directly to compatible RedLINK-enabled thermostats and accessories, helping your system make smarter comfort and efficiency decisions. RedLINK's interference-free wireless technology ensures a reliable signal in all climates, from extreme cold to summer heat, across a sensing range of -40°F to 140°F and 0–100% relative humidity. Installation takes just minutes, and the included 2 AA lithium batteries deliver up to 5 years of operation with a 2-month low battery warning displayed right on your thermostat.

Shipping policy

Orders placed by 2:00pm EST will ship same day, except on holidays.

More Details

Product overview
  • Real-time outdoor monitoring — senses and transmits outdoor temperature (-40°F to 140°F) and humidity (0–100%) to compatible RedLINK-enabled thermostats and accessories
  • RedLINK wireless technology — interference-free signal requires no dedicated wiring and won't disrupt other wireless devices in the home
  • Reliable in all climates — engineered for consistent performance in extreme heat, cold, and humidity conditions
  • Up to 5-year battery life — powered by 2 included AA lithium batteries; 2-month advance low battery warning displayed on the thermostat
  • Quick installation — mounts in minutes with included hardware; no professional wiring required
  • Compatible with RedLINK-enabled thermostats — works within the Honeywell Home RedLINK ecosystem for seamless integration
Specifications
Manufacturer Part Number C7089R1013/U
UPC 85267331845
Overall Dimensions 2-5/16 in W x 7-7/8 in D x 15-1/2 in H
Material n/a
Domestic or Import Import
End Style n/a
Type n/a
ADA Compliance n/a
Warning Professional installation required
Standards and Approvals n/a
Resources
Delivery & Returns

Orders will ship same day if received by 2pm EST.

Upcoming holiday closures: July 3, 2026

All returns are inspected on receipt; credit is issued after condition is confirmed. Credit is issued only for items returned in original, saleable condition after inspection.

FINAL SALE ITEMS ARE NOT ELIGIBLE FOR RETURNS OR EXCHANGES.

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