Lennox 24Z17 – Braeburn 4235 Premier Series Universal Programmable Thermostat is designed to provide precise indoor comfort control for both conventional HVAC systems and heat pump applications. This universal model supports 3 heat and 2 cool for heat pumps, as well as 2 heat and 2 cool for conventional equipment, making it a flexible replacement option for residential and light commercial systems. The Premier Series interface offers intuitive scheduling, clear display readability, and reliable temperature accuracy to maintain consistent performance throughout the year.

Engineered for energy efficiency, the Braeburn 4235 allows homeowners to customize daily and weekly programs to reduce utility costs without sacrificing comfort. Installation is simplified with universal system compatibility and standard sub-base wiring, while advanced features such as compressor lockout, adaptive recovery, and filter change reminders support long-term system protection and maintenance.

Key features
• Universal programmable thermostat for conventional and heat pump systems
• Supports 3 heat and 2 cool heat pump; 2 heat and 2 cool conventional

• Large backlit display with easy-to-navigate menu and temperature precision
• Seven-day, five-two-day, or non-programmable operating modes
• Adjustable temperature limits, compressor protection, and adaptive recovery
• Filter and service reminders to support HVAC system longevity
• Compatible with single-stage and multi-stage equipment
• Ideal replacement for outdated or discontinued thermostats in Lennox-equipped homes

Specifications: