6-channel receiver for the transmitters INSTAT868, INSTAT 868 r1 or -r1o for controlling actuators in underfloor heating systems. Features valve protection, pump logic function, and emergency operation in case of faults. Directional reversal for cooling instead of heating. Equipped with indicator lights for output status or faults. Ready to plug in, with a DIN rail for wall mounting. INSTAT 868-a6.