---electronic head designed for heating rooms with water radiators and which can be controlled by TaHoma. ---It is supplied with: Adapters for DANFOSS RA valves and valves with M30 x 1.5 (K) connections. 2 AA alkaline batteries and a 2mm Allen key. ---Temperature regulation and adjustment ---The battery icon flashes on the screen. If the critical battery level is reached, the screen will start flashing ---They help reduce the energy spent on heating ---Somfy 1822489 Technical Details: Transmission range: up to 30m. Clock accuracy: +/-10min/year. Noise level: < 30 dbA. Temperature adjustment range: 4 / 28°C.
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