Lennox Y8924 – Honeywell TH4210U2002 is a digital programmable thermostat from the T4 Pro T Series, designed to simplify installation while delivering reliable, precise temperature control. This non-Wi-Fi thermostat supports heat pump systems up to 2 heat / 1 cool and conventional systems up to 1 heat / 1 cool, making it a flexible solution for a wide range of residential HVAC applications.

Built with a standard footprint and the Honeywell UWP mounting system, the TH4210U2002 allows for quick replacements and cleaner installs, including compatibility with junction boxes using the included adapter. The clear digital display and simple push-button interface make programming and daily operation easy for homeowners, while contractors benefit from reduced install time and consistent wiring across the T Series platform.

This programmable thermostat offers multiple scheduling options, including 7-day, 5-2, 5-1-1, or non-programmable modes, along with intelligent recovery to help reach set temperatures efficiently. Additional features such as automatic changeover, filter change reminders, and dependable 50/60 Hz operation help maintain comfort and system performance year-round. Backed by a 5-year manufacturer warranty, Lennox Y8924 is a dependable, no-internet thermostat choice for both professional installers and homeowners.

Manufactured by Honeywell and supplied under the Lennox catalog, this thermostat is ideal for customers who want proven reliability today with an easy upgrade path to Wi-Fi thermostats in the future.