RF wireless electronic programmable thermostat, with weekly programming and backlit LCD display. Colour: white.
Base in plastic for wall-mounting or installation on 3-module box, type 503.

Backlighting: blue (touch-activated).
Key lock with password (e.g. for installation in public places).

Open window sensor function.

Technical data
- Dimensions: 125 x 85 x 26 mm
- Powered with 2 alkaline batteries type AAA - LR3 - 1.5 V
- Power reserve: 1 minute (for battery replacement)
- Programming: weekly with 1 hour resolution
- Operating mode: Summer/Winter/Off (automatic/manual)
- Type of regulation: On-Off; proportional with settable band and period; or setpoint sending for autonomous management of RF wireless actuator/s
- Differential: 0.1-1.0 °C
- Operating mode: Automatic with 3 temperature levels; Manual; Antifreeze (from 1 to 10 °C or excluded)
- Temperature regulation range: from 2 to 35 °C
- Temperature resolution: 0.1 °C
- Communication with radio frequency of 433.92 MHz
- Maximum distance between programmable thermostat and actuator: 50 m in free space
- Protection rating: IP40

Delegated Regulation (EU) no. 811/2013; attachment IV-3:
- Class of the temperature control device: Class 4; Class IV
- Contribution of the temperature control device to the seasonal energy efficiency of room heating in %: 2%