I have a honeywell t6 proseries thermostat. after wiring up the remote temp sensor does the thermostat auto recognize the remote temp sensor?

You have to program it to use remote Options 1 thermostat only 2 remote only. 3 average between the 2 You need to follow manual

do you need to wire the sensor to the thermostat or can it work w/o being wired?

This is a very simple device. It's a thermistor in a box. Absolutely must be wired if you want it to work.

Is there some kind of backplate I can use with this? I have one, but I need a backplate to cover the screw holes where the thermostat used to be.

You could use any suitable blank wall switch cover as a back plate. I assume you have a compatible digital thermostat at another location. This unit is thermistor sensor only. Be sure to seal the wire hole to stop air infiltration.

Honeywell Remote Indoor Sensor C7189u1005

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Rp1101241

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Description

🌡️ Upgrade your comfort zone with smart sensing precision!

HASSLE FREE SETUP - Factory calibrated—no field tuning needed, just hardwire and go.
SEAMLESS INTEGRATION - Effortlessly pairs with Honeywell Lyric T-6 Pro for smarter HVAC management.
ENERGY EFFICIENCY BOOST - Optimizes heating/cooling cycles to save on utility bills and carbon footprint.
SLEEK MINIMALIST DESIGN - Compact, premier white sensor blends into any modern decor.
PRECISION TEMPERATURE CONTROL - Eliminate hot/cold spots by sensing exact room temps remotely.

The Honeywell Remote Indoor Sensor C7189U1005 is a compact, factory-calibrated temperature sensor designed to enhance HVAC accuracy by remotely detecting room temperature. Compatible with Honeywell Lyric T-6 Pro thermostats, it installs easily with a simple two-wire hardwired connection, eliminating the guesswork of poor thermostat placement. Its sleek design fits any room aesthetic while optimizing home heating and cooling efficiency.

Specifications

ASIN	B003UJYZDG
ASIN	B003UJYZDG
Batteries Included?	No
Batteries Required?	No
Color	Premier White
Customer Reviews	4.2 4.2 out of 5 stars (371)
Customer reviews	4.2 4.2 out of 5 stars (371)
Date First Available	7 August 2012
Date First Available	7 August 2012
Display Style	Manual
Included components	Sensor
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	32 g
Item model number	C7189U1005
Item model number	C7189U1005
Manufacturer	Honeywell
Manufacturer	Honeywell
Material	Plastic
Part number	C7189U1005/U
Power source type	battery-powered
Product Dimensions	17.78 x 12.7 x 10.16 cm; 32 g
Product Dimensions	17.78 x 12.7 x 10.16 cm; 32 g
Size	1 Pack
Style	Modern
Voltage	230 Volts

Reviews

V**S

Temperature sensor

26.09.2025

T**Y

Works Great with Honeywell Lyric T-6 Thermostats

15.05.2019

J**.

Wired Remote Temp Sensor for VisionPro

18.06.2024

W**H

Works on T6 Thermostats

1.04.2026

G**E

Honeywell temp sensor

7.01.2026

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