RDF301 | S55770-T104 | Flush-mount room thermostat with KNX communications, 2-/4-pipe fan coils or DX type equipment for square conduit boxes | AC 230 V | Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mm | 86 x 86 x 57 mm | |
RDF301.50 | S55770-T105 | Flush-mount room thermostat with KNX communications, 2-/4-pipe fan coils or DX type equipment, four buttons for switching lights and blinds | AC 230 V | Recessed rectangular conduit box BS4662 with fixing centres of 60.3 mm | 86 x 86 x 57 mm | Not necessary |