Electronic room controller with digital display, battery-operated for wall mounting. Suitable for controlling central and hot water underfloor heating. Digital display for setting and displaying the room temperature. Easy operation using a rotary knob. Noticeable detent on the knob. Setting in 1 degree increments. Temperature reduction possible using an external timer. Minimum/maximum temperature limit. Pre-configured minimum temperature setting possible (public buildings, dormitories, etc.). Surface mounting or directly on flush-mounted box with vertical mounting holes.