Features
Temporary override & manual hold
Keyboard lock
Speed slide for easy programming
Selectable fahrenheit/celsius setting
Adjustable temperature swing differential
Adjustable second stage heat offset
Air filter monitor
Easy view large back lit display
Selectable smart recovery
Easy to use
Easy installation
Dual powered
Uses 2 "aa" alkaline batteries
For use on: universal compatibility for conventional heat & a/c
For heat pumps with up to 2 stage heat/1 stage cool
3 wire heat only hydronic systems
Hot water
Zone valves & gas millivolt heaters