Category
Thermostat Sensors
Wall-mount, duct-mount, outdoor, and wireless sensors for thermostat systems.
Shop Thermostat Sensors
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14 products found
Compare up to 4 products
Honeywell Home
C7089R1013 Wireless Outdoor Sensor
Model C7089R1013 SKU 365486
Battery-powered outdoor temperature and humidity sensor for compatible RedLINK systems.
- Communication protocols
- RedLINK
- Mounting
- Outdoor bracket
- Power sources
- Battery
Honeywell Home
C7089U1006 Wired Outdoor Temperature Sensor
Model C7089U1006 SKU 361985
Wired outdoor temperature sensor for the compatible thermostats and controls listed in its manual.
Honeywell
C7100A1015 Averaging Duct Temperature Sensor
Model C7100A1015 SKU 361983
Platinum averaging duct sensor for matching W7100 discharge-air control applications.
- Measured variables
- Temperature
- Mounting
- Duct or plenum flange; 2 × 4 in. junction box
Honeywell Home
C7189R1004 Wireless Indoor Sensor
Model C7189R1004 SKU 365484
Wireless temperature and humidity sensor for compatible RedLINK 2.0 thermostats.
- Measured variables
- Indoor temperature and relative humidity
- Communication protocols
- RedLINK 2.0
- Power sources
- Battery
Honeywell Home
C7189U1005 Wired Indoor Temperature Sensor
Model C7189U1005 SKU 361986
Measures indoor temperature away from the thermostat. Supports single-sensor or multi-sensor averaging configurations with compatible thermostats.
Honeywell
C7232A1008 Wall CO₂ Sensor with Display
Model C7232A1008 SKU 361982
Wall-mounted carbon-dioxide sensor with display and configurable analog output.
- Measured variables
- Carbon dioxide
- Mounting
- Wall or standard single-gang junction box
Honeywell Home
C7735A1000 Duct Air Temperature Sensor
Model C7735A1000 SKU 361950
Duct temperature probe for compatible zoning and thermostat applications.
- Mounting
- Duct-mounted probe
PRO1
PRO1 R250S Wired Outdoor or Slab Sensor
Model R250S SKU 107354
Wired temperature sensor for outdoor measurement or radiant-floor slab sensing with compatible PRO1 thermostats.
- Measured variables
- Temperature
PRO1
PRO1 R250W Wireless Outdoor Sensor
Model R250W SKU 107353
Battery-powered outdoor temperature sensor for the T755WHO PROsync wireless system.
- Measured variables
- Temperature
- Power sources
- 2 AA batteries; lithium primary AA recommended for cold climates
PRO1
PRO1 R251S Wired Indoor Remote Sensor
Model R251S SKU 107352
Indoor wired temperature sensor for compatible PRO1 thermostats, with supported multi-sensor averaging.
- Measured variables
- Temperature
PRO1
PRO1 R751WO PROsync Wireless Remote Sensor
Model R751WO SKU 107351
Indoor wireless temperature and occupancy remote for the T755WHO PROsync system, with display and local controls.
- Measured variables
- Temperature and occupancy
- Power sources
- 2 AA alkaline batteries or 18–30 VAC, NEC Class II, 50/60 Hz
Honeywell
TR21 Temperature Wall Module
Model TR21 SKU 365468
Wired wall temperature sensor with a 20 kΩ non-linear element.
- Measured variables
- Temperature
- Mounting
- Wall
Honeywell
TR21-A Averaging Temperature Wall Module
Model TR21-A SKU 365469
Wired 10 kΩ non-linear temperature sensor for supported averaging networks.
- Mounting
- Wall
White-Rodgers
White-Rodgers F145-1328 Indoor Remote Sensor
Model F145-1328 SKU 907901
Wired indoor temperature sensor for manufacturer-listed White-Rodgers remote-sensing thermostats, with a maximum 300 ft thermostat-to-sensor run.
- Mounting
- Indoor partition wall, approximately 5 ft above the floor
Selection guidance & equipment requirements
Temperature sensors are selected based on mounting location, signal type, and compatibility with the thermostat or controller. Review manufacturer specifications before selecting a replacement.