90 x 110 x 18mm. Designed for use with both central and underfloor heated homes, the 4iE does not require programming. Controlled from a smartphone, tablet or computer, the 4iE Smart WiFi Thermostat learns how you use your heating and the unique way your house reacts. It automatically suggest ways for you to save energy, for example what temperature you should set for when you're not home and times you can turn the heating off early. Warmup are independent from the energy suppliers so the 4iE also works in the background to find better energy tariffs for you, which could save you up to £380 in addition to the savings you get from the lower energy usage.
3.5" full colour touch screen. Supplied with NTC 10K floor probe (3m) and in-built air sensor. In the event of power failure, 4iE will download all settings from internet when power is returned. IP33 rated.