Thermal Actuator NC 230V for Underfloor Heating Manifold

The electric thermal actuator is a thermally-excited high-efficiency on-off valve actuator;  it is mainly used to control the opening and closing 

of the floor heating or central air-conditioning system valves. It is linked with the room thermostat to control the room temperature. 

Characteristic Curve:

Normally closed

Normally open

Valve Opened  or Valve Closed :

As pic.1, assemble the adaptor ring onto the valve

As pic.2 and 3, press down verfically by hand and snap the thermal actuator onto the adaptor ring.   

Disassembly Instructions:

As pic.4, press"OPEN" button, the thermal actuator will disengage from the adaptor ring. 

Wiring Connection: