The KELOX digital room thermostats are available for 230 V operating voltages. Easy individual room control is already possible with the directly connected actuators. In conjunction with the KM691 KELOX connection unit, a perfectly coordinated overall system is realisable for surface temperature control. • Large, clearly laid out LC display. • Flat design and small dimensions (86 x 86 x 31mm). • Standalone controller or realisable in the system. • Correction of the actual temperature recording. • Limitation of the adjustment range of the target temperature. • Valve and frost protection mode. • High functional stability.