Thermo actuator VAO

Thermal actuators VAO is used in secondary heating and cooling systems. The actuator is adapted to MMA's thermostatic valves with thread M28 * 1.5 (ex FVR, Evoflow or Flexkoppel). VAO is regulated by room control center R41. VAO is also available with connection M30 * 1.5 for other valves make or underfloor heating distributor. The thermostat actuator's characteristic is "on / off". In the event of a power failure, the actuator NO opens. The actuator is provided with operating position indication above the nut. Red - closed. Black - open. The actuator is connected with the supplied cable attached to the underside of the actuator.