Rivassa Thermostatic Corner Radiator Valves with LockshieldRivassa Thermostatic Corner Radiator Valves Pair The Rivassa Thermostatic Corner Radiator Valve is the perfect radiator valve for traditional style radiators or heated towel rails. The elegant traditional design echos back to Victorian times, adding a touch of authenticity to any room design, befitting both traditional and contemporary decor. The corner shape means they're designed for pipework that sits on the wall rather than the floor for floor