Product Details
The Honeywell Prestige Color Touchscreen Thermostat with RedLINK™ (model THX9421R5021WW) is a high-definition 2-wire thermostat designed for both residential and light commercial use, offering compatibility with 3H / 2C conventional systems or 4H / 2C heat pump systems. This thermostat is 7-day programmable and features a color touch screen interface. It can control up to 4 stages of heat and 2 stages of cooling in heat pump configurations and up to 3 stages of heat and 2 stages of cooling in conventional systems. The device includes three sets of universal Indoor Air Quality (IAQ) contacts for managing humidification, dehumidification, and ventilation, along with four sensor inputs for connecting wired sensors or dry contact devices. It operates with the Equipment Interface Module and supports RedLINK™ accessories such as the RedLINK™ Internet Gateway, Portable Comfort Control, Wireless Outdoor Sensor, and Wireless Indoor Sensor. Key features include Smart Schedule programming for efficient control, patented interview-based programming, and RedLINK™ wireless communication. Additionally, it is compliant with commercial codes and Title 24 standards, offering functionality for light commercial applications, including scheduling for occupied/unoccupied settings, holidays, and remote setback. The thermostat also provides Delta T alerts and diagnostics to inform users of any performance issues with their HVAC system. Dimensions and specific technical specifications are available in the product documentation.
