230v 2w electric thermal actuator replacement practical pp normally open close

can be fixed easily to an adaptor ring. voltage is 230v 2w. the shell is made of pc material, durable, anti-flaming, good performance, and long time to use. ​it controls water flow through an underfloor heating system. the electric actuator is controlled by the temperature control panel to set the temperature or turn off the heating, installed in the water distributor, with temperature control radiator, fan coil. unique quick lock snap action. red spot indicator