Supported Devices/Honeywell/T10+ Pro Smart Thermostat with RedLINK® 3.0 - no sensor

T10+ Pro Smart Thermostat with RedLINK® 3.0 - no sensor

Seam Status
Live
IDTHX321WF3003W/U
ManufacturerLogo of Honeywell
Connectivitybuilt-in
VariantDefault Variant
ColorWhite

The Honeywell THX321WF3003W/U T10+ Pro Smart Thermostat with RedLINK 3.0 (No Sensor) is a smart Wi-Fi thermostat designed for advanced climate control in residential HVAC systems that uses RedLINK® 3.0 wireless technology to communicate with optional room sensors (sold separately) for more precise comfort management. It features a color touchscreen, flexible scheduling (including geofencing and time-based programs), and compatibility with major smart home ecosystems via the Resideo app, allowing remote control and automation. The thermostat supports multi-stage heat pump and conventional systems, ENERGY STAR® efficiency, and can integrate with additional indoor air quality products to manage humidification, dehumidification, and ventilation, making it a scalable solution that adapts to different home comfort needs.

Compatible Systems:
Live
Honeywell Resideo
Features:
Seam API Compatible
Control using the Seam API
Seam Dashboard Compatible
Manage with Seam Dashboard
Heating
Can turn on heating mode
Cooling
Can turn on AC mode
Fan
Can turn on fan mode
Heat Pump
Compatible with heat pump systems
Demand Response
Supports utility rush hour rebates
Schedules
Program recurring climate schedules
Temperature Sensor
Monitors temperature
Emergency Heating
Can turn on emergency heating mode
Smart Locks
Access Systems
Knowledge
Thermostats
Sensors
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