Menu

Honeywell Home room sensors and water leak detectors

Honeywell Home / 7 models

Last checked

Which Honeywell Home room sensors and water leak detectors should I buy?

Honeywell Home's room sensors pair with specific thermostats: the Smart Thermostat Compatible Wireless Room Sensor with the X8S, X7S, T10+ and ElitePRO S1200, S1100 and S1000, the C7189R RedLINK 3.0 sensors with the ElitePRO and T10+ Pro, and the T9 Smart Sensor with series 3 or later T9 thermostats. Each reports temperature, humidity and motion. The WiFi Water Leak and Freeze Detector and its cable sensor are discontinued.

Currently sold

Newest first in each series.

Models sold now, newest in each series

5 models. List prices as of Oct 16, 2026How facts are sourced: every cell cites its source below
SeriesModelReleasedWorks withDetectsRangePriceNewest
Room sensor5 models
Smart Thermostat Compatible Wireless Room SensorSmart Thermostat Compatible Wireless Room SensorunknownX8S, X7S, T10+, ElitePRO S1200, S1100 and S1000[1]Temperature, humidity and motion[1]Up to 200 ft from the thermostat[1]$44.99[1]only model in its series
RedLINK 3.0 Room Sensor for ElitePRO (C7189R3010)RedLINK 3.0 Room Sensor for ElitePRO (C7189R3010)unknownElitePRO S1200, S1100 and S1000, and T10+ Pro with RedLINK 3.0[2]Temperature, humidity and motion[2]200 ft[2]unknownonly model in its series
RedLINK 3.0 Room Sensor for T10+ (C7189R3002)RedLINK 3.0 Room Sensor for T10+ (C7189R3002)unknownT10+ Pro with RedLINK 3.0, and ElitePRO S1200, S1100 and S1000[3]Temperature, humidity and motion[3]200 ft[3]unknownonly model in its series
T9 Smart SensorT9 Smart SensorunknownT9 series 3 or later[4]Temperature, humidity and motion[4]unknownunknownonly model in its series
T9 and T10 Older Version Room SensorT9 and T10 Older Version Room SensorunknownT9 series 1 and 2 (RCHT9610WF) and T10 THX321WF2001W[5]Temperature, humidity and motion[5]200 ft[5]$40.99[5]only model in its series

Old stock

Stores keep selling older models after a replacement ships, The model code identifies each one.

Older models and what replaced them

2 modelsHow facts are sourced: every cell cites its source below
Older modelReleasedReplacementStatusBasis
WiFi Water Leak and Freeze Detectorunknownno replacement namedDiscontinued[6]Stated status[6]
Cable Sensor for WiFi Water Leak and Freeze Detectorunknownno replacement namedDiscontinued[7]Stated status[7]

Discontinued models

Models the maker has discontinued, with the date and replacement where known. They have no pages of their own.

Discontinued models and what replaced them

2 modelsHow facts are sourced: every cell cites its source below
ModelCodesReleasedDiscontinuedReplaced by
WiFi Water Leak and Freeze DetectorRCHW3610unknownunknownno replacement named
Cable Sensor for WiFi Water Leak and Freeze DetectorRCHWES4unknownunknownno replacement named

At a glance

Every product at a glance

7 product familiesHow facts are sourced: every cell cites its source below
ProductGenerationReleasedTypeStatus
Smart Thermostat Compatible Wireless Room SensorunknownunknownRoom sensor[1]Current[1]
RedLINK 3.0 Room Sensor for ElitePRO (C7189R3010)unknownunknownRoom sensor[2]Current[2]
RedLINK 3.0 Room Sensor for T10+ (C7189R3002)unknownunknownRoom sensor[3]Current[3]
T9 Smart SensorunknownunknownRoom sensor[4]Current[4]
T9 and T10 Older Version Room SensorunknownunknownRoom sensor[5]Current[5]
WiFi Water Leak and Freeze DetectorunknownunknownLeak and freeze detector[6]Discontinued[6] (No longer available.)
Cable Sensor for WiFi Water Leak and Freeze DetectorunknownunknownCable sensor[7]Discontinued[7] (Discontinued and no longer available for sale.)

Lineup

Amazon links here are plain search links and earn this site no commission. Disclosure

Honeywell Home room sensors and water leak detectors lineup

7 models. List prices as of Oct 16, 2026How facts are sourced: every cell cites its source below
ProductTypeWorks withDetectsRangeBatteriesStatusHome AssistantHomeyPriceRetailers
Room sensor5 models
Smart Thermostat Compatible Wireless Room SensorXRSENSOR-1PK/URoom sensor[1]X8S, X7S, T10+, ElitePRO S1200, S1100 and S1000[1]Temperature, humidity and motion[1]Up to 200 ft from the thermostat[1]unknownCurrent[1]unknown$44.99[1]
T9 Smart SensorRCHTSENSOR-1PK/U, RCHTSENSOR-2PK/URoom sensor[4]T9 series 3 or later[4]Temperature, humidity and motion[4]unknown2 AAA alkaline[4]Current[4]unknownunknown
T9 and T10 Older Version Room SensorC7189R2002-2/URoom sensor[5]T9 series 1 and 2 (RCHT9610WF) and T10 THX321WF2001W[5]Temperature, humidity and motion[5]200 ft[5]2 AAA alkaline[5]Current[5]unknown$40.99[5]
Leak and freeze detector1 model
WiFi Water Leak and Freeze DetectorRCHW3610Leak and freeze detector[6]Resideo app and Wi-Fi[6]Water leaks and pipe freezing[6]unknown3 AA batteries, included[6]Discontinued[6] (No longer available.)unknownunknown
Cable sensor1 model
Cable Sensor for WiFi Water Leak and Freeze DetectorRCHWES4Cable sensor[7]WiFi Water Leak and Freeze Detector[7]Water at the cable[7]4 ft cable[7]unknownDiscontinued[7] (Discontinued and no longer available for sale.)unknownunknown

Identify a model

The model code is printed on the sensor and the box.

Identifying clues

How facts are sourced: every cell cites its source below
ModelModel number
Smart Thermostat Compatible Wireless Room SensorXRSENSOR-1PK/U
RedLINK 3.0 Room Sensor for ElitePROC7189R3010/U (1-pack), C7189R3010-2/U (2-pack)
RedLINK 3.0 Room Sensor for T10+C7189R3002/U (1-pack), C7189R3002-2/U (2-pack)
T9 Smart SensorRCHTSENSOR-1PK/U, RCHTSENSOR-2PK/U
T9 and T10 Older Version Room SensorC7189R2002-2/U
WiFi Water Leak and Freeze Detector (discontinued)RCHW3610
Cable Sensor (discontinued)RCHWES4

The older T9 and T10 sensor works with series 1 and 2 T9 models (RCHT9610WF) and the T10 THX321WF2001W. The T9 Smart Sensor is for series 3 or later; the series number follows the model number on the sticker on the back of the thermostat.

Cite this page

Honeywell Home room sensors and water leak detectors. Smart Home Canon. https://smarthomecanon.com/lines/honeywell-home-room-sensors-and-water-leak-detectors. Last checked 2026-10-16.

Sources

  1. [1]
  2. [2]
  3. [3]
  4. [4]
    MFRhoneywellhome.com / Honeywell Home: T9 Smart Sensor product page
    Accessed Back to text
  5. [5]
  6. [6]
  7. [7]