REV additional valve f/ radio heater control

additional valve f/ radio heater control - only to use in combination with set 008544
- radio heating system regulates the temperatur in single rooms
- range up to 100m (free field)
- temperature range: 6° C up to 30°C
- 4 switching times for every day, 28 per week
- temperature adjustments are easy to realise
- time programm enables permanent pleasant heat
- energy can be saved by use of the time programme
- temperature is measured at hand-held unit
- 10.000 different security codes
- security code preinstalled
- power supply : 2 Alkaline-Mignon-batteries
- frequency 868 MHz
- dimensions receiver (WxHxD): 60 x 95 x 60mm