LuxPro digital thermostat, 2 stage heat / 1 stage cool, 24V
This thermostat may be configured for non-programmable or 5/2 day or 7 day programmable operation. Programmable operation may be set for 2 or 4 periods per day.
It is also capable of operating by battery, or if you have a C terminal on your equipment it will use 24V from your system for longer battery life.
While this does have 2 stages of heat it is not suitable for a heat pump system with backup heat.
This thermostat is compatible with 2-wire hydronic systems and millivolt systems as well.
Other features include selectable temperature limits and adjustable swing and 1st / 2nd stage differential.