Resideo thx1000b2/u Smart Thermostat Black 24V

Product Description

The RESIDEO thx1000b2/u is a hardwired smart thermostat designed for residential and light commercial 24-volt HVAC systems. It features a 4.3-inch diagonal color touchscreen with selectable display language in English, French, or Spanish. The control supports up to 4 heat and 2 cool stages for heat pump systems, or up to 2 heat and 3 cool stages for conventional systems. An onboard radar sensor enables Smart Away programming for energy efficiency. Built-in WiFi (2.4 GHz and 5 GHz), Bluetooth Low Energy (BLE 2.4 GHz), and RedLINK 3.0 wireless connectivity allow integration with smart home platforms. The unit is ENERGY STAR certified and carries a 5-year warranty.

This thermostat is suited for gas, oil, electric warm air, hydronic, fan coil unit, and PTAC systems in residential or light commercial applications. It supports indoor air quality control including humidifier, dehumidifier, and ventilator management. The display shows indoor humidity, outdoor temperature, current temperature, current setpoint, time, and thermostat controls at a glance. Time-based or Smart Away programming modes help reduce energy consumption between service calls. Compatible accessories including C-wire adapters, room sensors, wireless outdoor sensors, and equipment interface modules extend system capability without additional wiring runs.

Key Features

• 4.3-inch diagonal touchscreen with English, French, and Spanish display language selection
• Supports up to 4 Heat / 2 Cool heat pump systems or up to 2 Heat / 3 Cool conventional systems
• Onboard radar sensor for Smart Away and time-based energy efficiency programming
• WiFi (2.4 GHz and 5 GHz), BLE 2.4 GHz, and RedLINK 3.0 wireless connectivity
• Indoor air quality control for humidifier, dehumidifier, and ventilator equipment
• ENERGY STAR certified with a 5-year manufacturer warranty

Compatibility

Designed for 24 Vac residential and light commercial systems including gas, oil, electric warm air, hydronic, fan coil unit, and PTAC configurations. Compatible accessories listed in the input include the THP9045A C-wire adapter, C7189R3010-2 room sensor, C7089R3013 wireless outdoor sensor, and EIM4010 Equipment Interface module.

Installation Notes

A licensed HVAC technician should perform installation in accordance with applicable local codes and the manufacturer wiring diagram. Power down the system at the air handler disconnect and the breaker before removing the existing thermostat or making any wiring connections. The thermostat ships with a UWP wall plate, decorative cover plate with J-box adapter, and mounting hardware to support wall surface, junction box, and UWP mounting configurations. Confirm C-wire availability before installation; use the THP9045A adapter if a common wire is not present at the wallplate.

Technical Specifications

• Power Supply: Hardwired, 24 Vac
• Power Supply Frequency: 60 Hz
• Display Size: 4.3 inches diagonal
• Product Height: 3.54 inches
• Product Width: 5.25 inches
• Product Depth: 0.96 inches
• Product Weight: 0.91 pounds
• Stages (Heat Pump): Up to 4 Heat / 2 Cool
• Stages (Conventional): Up to 2 Heat / 3 Cool
• Setpoint Temperature Range (Heat): 40 degrees F to 90 degrees F
• Setpoint Temperature Range (Cool): 50 degrees F to 99 degrees F
• Ambient Operating Temperature: 37 degrees F to 102 degrees F
• Operating Relative Humidity: 5% RH to 90% RH
• Humidity Setpoint Range: 0% RH to 90% RH
• WiFi: 2.4 GHz and 5 GHz
• Bluetooth: BLE 2.4 GHz
• RedLINK: 3.0
• Mounting Type: Horizontal, wall surface, junction box, UWP mounting system
• Color: Black
• Certifications: ENERGY STAR
• Warranty: 5 years

Standard Information

• Brand: RESIDEO
• Manufacturer Part Number: thx1000b2/u