with speed setting, for continuously variable control, with thermal feedback, room temperature setting and speed pre-setting using a dial, 24 V, DC, surface-mounted, Protection class IP 30, Temperature setting range 5 - 30 °C, Colour white, Type 342924 Suitable for: EC units, electromechanical 230 V, 10 Katherm QK or Katherm QK nano Trench Technology, 3 PowerKon LT Fan Coils