About this product
Product Description
Resideo THX321WFS2001 T10 Pro Smart thermostat kit includes a hardwired touchscreen thermostat, UWP mounting system, J-box adaptor, and RedLINK indoor sensors. The thermostat uses Wi-Fi and RedLINK communications, supports space-prioritized comfort with wireless sensors and geofencing, and offers multiple programmability options. It supports up to 3 heat/2 cool heat pump or 2 heat/2 cool conventional configurations, operates on 20 to 30 Vac, and features a 7.27 sq. in. touchscreen display.
- Communications: Wi-Fi and RedLINK wireless with RedLINK indoor temperature, humidity, and motion sensors included.
- System compatibility: Supports up to 3H/2C heat pump or 2H/2C conventional systems and multiple staging configurations.
- Hardware and power: Hardwired power method, 20 to 30 Vac input, UWP mounting system, 4.9 x 3.7 x 0.93 inches dimensions.
Product Highlights
Hardwired smart thermostat with Wi-Fi and RedLINK, multi-room sensor support, multi-stage system compatibility, 7.27 sq. in. touchscreen display.
Product Information
Standard Information
- Brand: RESIDEO
- Manufacturer Part Number: THX321WFS2001
Technical Specifications
- Brand: Resideo
- Manufacturer Part Number: THX321WFS2001
- Alternate Part Number: THX321WFS2001W/U
- Product Name: T10 Pro Smart Thermostat Kit with RedLINK
- Input Voltage: 20 to 30 Vac
- Power Method: Hardwired
- Communication: Wi-Fi and RedLINK
- Wi-Fi Specifications: 802.11b/g/n (2.4 GHz) and 5 GHz range
- Wireless Frequency: RedLINK 900 MHz
- System Compatibility: Up to 3 Heat / 2 Cool heat pump; Up to 2 Heat / 2 Cool conventional systems; Gas, Oil, Electric, Steam/Gravity, Dual Fuel
- Stages: Up to 3H/2C (heat pump); Up to 2H/2C (conventional)
- Display: Touchscreen, LED backlight
- Display Size: 7.27 sq. in.
- Mounting Type: UWP mounting system (UWP wall plate)
- Dimensions: 4.9 H x 3.7 W x 0.93 D inches (125.4 x 94.1 x 23.68 mm)
- Operating Temperature Range: 37 F to 102 F (2.7 C to 39 C)
- Ambient Temperature Range: 32 F to 120 F (0 C to 50 C)
- Storage Temperature Range: -20 F to 120 F (-28.9 C to 48.9 C)
- Operating Humidity Range: 5 to 90% RH, non-condensing
- Temperature Setpoint Range: Heat: 40 F to 90 F (4.5 C to 32.0 C); Cool: 50 F to 99 F (10 C to 37.0 C)
- Humidity Control Range: Humidification: 10% to 60% RH; Dehumidification: 40% to 80% RH
- Current Ratings: Heating/Cooling: 0.02 A to 1.0 A; Fan: 0.02 A to 0.05 A
- Switch Type: Relay
- Programmability: 7 day, 5-1-1, 5-2, 1 week, or non-programmable; sensor-priority scheduling
- Included Components: Thermostat, UWP mounting system, Installation (J-box) adaptor, RedLINK indoor sensors (room sensor)
- External Sensors: Wireless RedLINK indoor temperature, humidity, and motion sensors included; optional wired outdoor sensor available separately
- Transmitter Range: RedLINK transmitter: up to ~1500 ft open line-of-sight; ~200 ft typical in home
- Certifications and Approvals: ENERGY STAR certified; FCC (47 CFR) and IC regulations
- Modes of Operation: Heat, Cool, Emergency Heat, Dehumidify, Humidify
- Terminal Designations: RC, R, C, W, O/B, Y, Y2, G, E, AUX, K, L, U, S
Description supplied by Voomi Supply through its current Shopify listing. Product, performance, and health claims are the seller’s and have not been independently verified by StorkScout.






