| Tipo | Manufacturer |
|---|---|
| Site | https://www.leonardvalve.com/ |
| Endereço | 1360 Elmwood Avenue Cranston, RI 02910 |
Leonard Valve officially began manufacturing thermostatic mixing valves in 1911, and was incorporated in 1913. The founder, Frederick C. Leonard, was a watch repairman and electrician, among his many talents.