The HONEYWELL THX321WF2003W/U is a T10 Pro smart thermostat configured as a RedLINK builder model and sold without remote sensors. The thermostat supports multi-stage systems (up to 3 heat/2 cool heat pump or up to 2 heat/2 cool conventional), hardwired 20 to 30 Vac power, and integrates with RedLINK room sensors for multi-room averaging and priority scheduling. It includes the UWP mounting system, cover plate, and installation guides for professional or DIY installation.
Key Features
Supports up to 3 heat / 2 cool (heat pump) and up to 2 heat / 2 cool (conventional) systems
Hardwired power; supply voltage 20 to 30 Vac, 50/60 Hz; RedLINK wireless compatibility (900 MHz, approximately 200 ft line-of-sight)
Includes UWP mounting system, decorative cover plate, screws/anchors and installation guides; sold without remote sensor
Technical Specifications
Product Name
T10 Pro Smart Thermostat with RedLINK (Builder model)
Thermostat Type
Programmable; Low Voltage; Digital; WiFi
WiFi
Yes
WiFi Specifications
802.11b/g/n; 2.4 GHz only
RedLINK
Yes
RedLINK Frequency/Range
900 MHz; approximately 200 ft line-of-sight
Stages
Up to 3 Heat / 2 Cool (heat pump); Up to 2 Heat / 2 Cool (conventional)