Some references :

The mixing valves WATTS INDUSTRIES
have been installed for several decades
in many sanitary facilities.
Here are some examples :

Administrations/Transport : Ministry of Finance – Bercy ; RATP (metro/RER/bus around Paris) ; France Télécom ; secondary schools ; offices (towers “La Défense”) ; headquarters Société Générale (banking) … Seawater Therapy centers : Louison Bobet - Quiberon ; Carnac - Dax - Luchon - Aix Les Bains … Hospitals : Angers ; Maternity hospital - Chartres ; Henri-Mondor - CrÈteil ; Clermont-Ferrand ; Gruny (80) ; Limoges ; Hospital for seriously burned persons - Lyon ; Hospital Jan Yperman (Leper, Belgium) ; Hospital Lyon Sud ; Mantes-La-Jolie ; Nancy ; Nantes ; PitiÈ SalpetriËre Paris ; St Quentin (02) ; Hospital for premature babies Purpan Toulouse ; Vernon … Hotels : ANTARES - Méribel ; Hôtel INTERCONTINENTAL - Paris ; Hôtel RITZ - Place Vendôme Paris ; Hôtels Campaniles ; Mariott Hotel (Gent, Belgium) … Old people’s Homes/Retirement Homes : Maubeuge, Nantes, Paris ... Leisure Park : and Hotels DISNEYLAND Paris … Local pools : (Mennecy, Versailles ...) Olympic swimming pools : (Grand Duchy of Luxembourg …) Prisons : Fresnes - Fleury Mérogis … Sports arenas : Med Gym - Gymnases Clubs (Paris and the provinces) … Stadiums : Stade de France ; Stade Roland Garros …