Caleffi 656414 Thermo-Electric Actuator With Micro Switch, For Use With 676 2-Way Zone Valve Body, 663/668S1 Series Distribution Manifold, 24 VAC/DC, Polycarbonate, Gray

The thermo-electric actuator, coupled with zone valves and distribution manifolds for radiant panel systems and radiators, allows automatic shut-off of the medium under the control of a room thermostat or of another electrical switch. This thermo-electric actuator is equipped with a valve opening/closing indicator and it can also be installed upside-down In addition, it is supplied with a quick-coupling system with a clip adapter to facilitate installation.