
C7089R Wireless Outdoor Sensor
RedLINK Wireless Products
Senses outdoor temperature and humidity to display on 
RedLINK™ enabled thermostats and accessories.
• Powered by RedLINK™ reliability 
• No interference with other wireless devices in the home 
• Reliable performance in all climates 
• Installs in minutes 
• Up to 5 year battery life 
• 2 month low battery warning 
• Battery warning displayed on RedLINK™ enabled thermostats 
• Includes 2 AA Lithium batteries and mounting hardware
Controls
Home 
Application: Outdoor Sensor 
Dimensions, Approximate: (with mounting bracket) 5 in. high x 3 1/2 
in. wide x 1 11/16 in. deep ((with mounting bracket) 127 mm high x 89 
mm wide x 43 mm deep) 
Color: Gray 
Operating Humidity Range (% RH): 0 to 100% RH, condensing
Product Number Comments Used With Includes
C7089R1013/U Wireless Outdoor Sensor is also available 
in kits
RedLINK™ enabled thermostats and 
accessories
Operating Temperature Range: -40 F to 140 F (-40 C to 60 C)  
Power Method: Battery 
Sensor Element: Thermistor 
Mounting: Mounts on a vertical wall with supplied bracket and 
mounting hardware
2 AA Lithium Batteries and mounting 
hardware
C7189R Wireless Indoor Air Sensor
The Wireless Indoor Sensor(s) is used to change the sensing 
location of the thermostat. Sense temperature and humidity 
remotely, average temperature, and humidify and dehumidify 
in separate locations.
• The Wireless Indoor Sensor(s) is used to change the sensing 
location of the thermostat.
• Sense temperature and humidity remotely. 
• Average temperature 
• Control temperature and humidity in separate locations. 
• Humidify and dehumidify in separate locations. For example, 
humidify on the main level and dehumidify in the crawl space. 
• Up to 6 Wireless Indoor Sensors per thermostat.
Application: Wireless Indoor Air Sensor 
Dimensions, Approximate: 2 7/8 in. high x 1 7/8 in. wide x 15/16 in. deep 
(73 mm x 48 mm x 24 mm) 
Color: Arctic White 
Operating Humidity Range (% RH): 5 to 90% RH, non-condensing
Operating Temperature Range: 0 F to 120 F (-17.8 C to 48.9 C) 
(35 F to 114 F (1.7 C to 45.6 C) for optimal battery life)
Power Method: Battery 
Mounting: Mounts on a vertical wall with supplied bracket 
and mounting hardware
Product Number Description Used With Includes
C7189R1004/U Senses indoor temperature and humidity
® IAQ, Prestige® 2.0 and VisionPRO with 
Prestige 
RedLINK™ Thermostats
2 AAA alkaline batteries and 
mounting hardware
REM1000 RedLINK™ Wireless Entry/Exit Remote
Application: Heating and Cooling systems, RedLINK Thermostat 
Accessory
Dimensions, Approximate : 6 1/4 in. high x 3 1/8 in. wide x 1 5/8 in. 
deep (159 mm high x 79 mm wide x 41 mm deep)
Used With: RedLINK™ enabled thermostats and accessories 
Color: White 
Operating Humidity Range (% RH): 5 to 90% RH, non-condensing 
Operating Temperature Range : 35 F to 114 F (1.7 C to 45.6 C) for 
optimal battery life
Sensor Element: Thermistor 
Power Method: Battery, Lithium Coin Cell
Accessories:
HVC20A1000-Wireless Vent and Filter Boost Remote
Product Number Description
REM1000R1003/U RedLINK Wireless Entry/Exit Remote
70-6910 33