Room controller for wall mounting with closed housing cover, also known as an authority controller. Suitable for controlling central heating, hot water underfloor heating, electric heating, night storage heating, etc. Special temperature range of 5...60°C. The room temperature is set under the housing cover and is therefore protected against unauthorized adjustment. Output for heating or cooling. Bimetal technology with thermal feedback and high precision. Surface mounting or directly on flush-mounted box with vertical mounting holes or with snap-on mounting on DIN rail.