Series Twin Star Corner Nickel. Manual and thermostatic-convertible double angled valves to shut-off the fluid on system terminals, with connections pointing downward. Thermostatic-convertible versions are fitted to be coupled to thermostatic control heads with M30x1,5 connection. Coupling to the heating body by means of union fitting “Gostop” (with self-threading gasket ready to use). Nickel-plated body.