LOWENERGIE Electronic TRV Radiator Thermostat Valve Digital Programmable Head Thermostatic (1, Programmable Thermostat)

e-TRV Specifications M30 (30mm) x 1.5mm screw tread head to valve body connection. Backlit LCD display can be clearly read. Easy installation Five buttons for easy to use. 7 days 24 hour programming The display shows the set temperature or measured temperature and time. Temperature display in degrees Celsius. Technical Data Thermostat operating voltage: Requires 2 x AA 1.5 V batteries. Backup storage: EEPROM program memory Switching options: Manual or 7 days 24 hour programming Temperature settings: 5°C ~ 35°C, 0.5°C increments. Accuracy: +/- 0.5°C Thermostat dimensions: φ55*69mm Max Extension: 5.0mm Colour: White IP protection rating: IP20 Certification: CE This new 2016 Model Electronic TRV (eTRV), has digital temperature control so you can set your room temperature to 21 degrees centigrade or whatever temperature you desire. Its biggest advantage, is you can also use these eTRV's to program on/off and temperature times for every radiator in your building which can lead to significant energy savings of 20-25%. For every radiator not turned on unnecessarily, this effectively reduces the length of your heating circuit which means the water temperature in the central heating loop returns to the boiler at a higher temperature. Most Modern boilers will then use their economy settings to prevent boiler firing until heating loop cools with in turn saves fuel. This eTRV allows for multi-room zoned temperature control of your house or workplace.