Honeywell Home YTHX9421R5101WW Basic Prestige Kit Plus Wireless Outdoor Sensor

Optimize comfort and reduce energy waste with the Honeywell Home Prestige thermostat kit. This Thermostat Kit with wireless outdoor sensor is designed for both residential and light-commercial applications, delivering precise +/-1°F temperature control and flexible support for up to 4 stages of heat and 2 stages of cool. The 2-wire design simplifies retrofits while the high-definition color touchscreen and Smart Schedule let facility managers and homeowners set weekly programs in seconds.

RedLINK wireless communication links the outdoor sensor and optional IAQ accessories to provide reliable monitoring of external conditions and indoor air quality. Built-in diagnostics, Delta T alerts and performance logs give maintenance teams the insights needed for proactive service—reducing downtime and service calls. A USB port speeds deployment by transferring settings and branding, making the kit ideal for contractors and property managers.

Whether you're managing HVAC maintenance, building monitoring or integrating with broader security and facility surveillance systems, the Honeywell Home Prestige Thermostat Kit delivers professional-grade control and diagnostics. Add this kit to your next installation for smarter temperature management and easier maintenance.

• Precise climate comfort: +/-1°F accuracy keeps indoor spaces consistently comfortable and reduces occupant complaints.
• Easy retrofit and installation: Uses just 2 wires at the thermostat to control multi-stage heat/cool systems, minimizing labor and downtime.
• Intuitive control: High-definition color touchscreen and Smart Schedule setup let staff or residents program 7-day schedules in seconds.
• Reliable wireless sensing: RedLINK wireless connects the included outdoor sensor and IAQ accessories for accurate monitoring and automated responses.
• Proactive maintenance tools: Delta T alerts, diagnostics and performance logs help detect issues early and lower service costs.
• Flexible deployment: Selectable for residential or light-commercial use and includes a USB port for fast configuration and dealer branding.