Room controller for wall mounting. Suitable for controlling central heating, hot water underfloor heating, electric heating, night storage heating, etc. Extremely reliable, 5-year guarantee. On/off switch and control lamp, controller requests heat. Output for heating or cooling. Bimetal technology with thermal feedback and high precision. Range restriction in the setting knob to reduce heating costs. Temperature reduction possible via external timer. Housing color pure white, similar to RAL 9016. Surface mounting or directly on flush-mounted box with vertical mounting holes or with snap-on mounting on DIN rail.