This is a brand new TB-PHP01-A Base Programmable Thermostat, designed for heat pump and conventional AC systems. It features a 5-2 day programmable schedule, allowing separate weekday and weekend temperature settings for improved comfort and energy efficiency.

The thermostat supports dual power operation, running on 24V AC power or batteries, and includes permanent memory to retain settings during power loss. Compatible with off, cool, heat, and emergency heat (E-Heat) modes, it is a versatile option for residential or light commercial HVAC systems.

This model is lead (Pb) free and is intended for non-communicating (non-networked) HVAC systems. Ideal as a replacement thermostat or for new installations requiring a reliable, easy-to-program control.