Honeywell RTHL2510 Programmable Thermostat with Digital Display Installation Guide
Learn how to install Honeywell's legacy programmable thermostat with digital display, RTHL2410 and RTHL2510 series, with our quick installation guide. This user manual provides step-by-step instructions for identifying system types, labeling wires, connecting them, and installing batteries. Call for wiring assistance to complete the process.