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Thermal actuator for unit valves with stroke indicator

AXT 301

Improving energy efficiency

Reliable actuation in efficient control systems


  • Actuation of underfloor heating collectors and conventional unit valves from other manufacturers

  • For controllers with a switching output, 2-point control or quasi-continuous control with a “pulse pause” signal, in conjunction with single-room control systems

  • Easily attached to the valve by means of adaptor ring

  • Fitted onto valve via plastic adaptor M30 x 1.5 or M28 x 1.5

  • Pushing force max. 100 N

  • With 230 V or 24 V thermal expansion element

  • Large tangible and visible position indicator

  • NC “normally closed” and NO “normally open” versions

  • Silent and maintenance-free

  • Connection cable white, without plug for the electric connection

  • Contemporary design

  • Version with integrated auxiliary contacts, with potential-free contacts

  • Warm-up time for max. 4 mm stroke at 21 °C: min. 4 min (230 V or 24 V)

  • Fitting in any position, including upside down

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