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Bewarm – Actuator Valve (240V)


£14.50 inc. VAT

The Ewarm thermal actuator is suitable to be mounted on all underfloor heating manifolds, thermostatic valves bodies and three-way valves. Allows automatic shut-off of the system fluid under the control of a room thermostat or another electrical switching device.


  • Normally closed
  • 2 wires as standard
  • No tools required for fitting
  • Silent operation
  • Compact design
  • CE marked in accordance with EN 60529

In stock

Mounting onto the manifold

  1. Remove the existing isolating cap
  2. Position the actuator onto the port value
  3. Tighten the ring nut by hand- do NOT use a spanner or similar tool.
  4. Connect the electrical wiring to complete.

Function of Normally Closed Version (NC)

  • When applying the operating voltage, the expansion system of the actuator will be heated. After passing the dead time a uniform procedure will follow.
  • When the voltage supply is cut off, the actuator will automatically close after passing the dead time due to calling of the expansion system.

Note: in case of any functional testing, be aware of the dead time behaviour and take this into consideration. The opening and closing ties will depend upon the ambient temperature.

Technical Data
 Operating voltage230v/AC, 25v/DC (+10%/-15%)
 Frequency 0 up to 60Hz
 Power consumption 3w (VA) in continuous operation
 Starting phase 90w (VA)
 Version NC
 Closing and opening times approx. 3min
 Overvoltage protection Varistor
 Approvals CE
 Type of protection acc. To EN 60529
 Connecting cable standard type 1m fixed; 2*0.75 mm²
 Ambient temperature 0°c up to 50°c during operation
 Medium temperature max. 100°c
 Storage temperature -20°c up to +70°c
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