It can control a large variety of HVAC systems with either Heat/Cool or Heat Pump configurations and offers a selectable number of heating and cooling stages.
Its 5-1-1 program, with 4 periods (Set Cool/Set Heat) per day, is easy to use and can provide 24-hour comfort as well as energy savings.

Overall, the ETN-24-Super-Prog-US is an attractive, surface mount thermostat with a large and easy to read display.

Models Operating manual

Technical Specifications

Surface-mount, 24VAC thermostat
DIP switch selectable configurations:
Heat/Cool or Heat Pump system
Electric or Oil/Gas heat system
Heat Pump in Cool or Heat
5-1-1 programmable; 4 periods per day, each with Set Heat and Set Cool
Offset – for temperature reading adjustment
2 set points (Cool & Heat)- for auto-changeover
Set point limits- password protected.
External sensor- option
Lock – Unlock buttons function
IR remote control- option
°F or °C scale (must be specified at time of order), Am/Pm clock
Dimensions: W3.6 x H3.14 x D0.86 inches (92 x 80 x 22mm)