Rivassa Thermostatic Angled Radiator Valves with LockshieldRivassa Thermostatic Angled Radiator Valves Pair The Rivassa Thermostatic Angled 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 angled shape means they're designed for pipework that sits on the wall rather than the floor for floor