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Welcome to the Leonard Valve Company ASPE profile!
The Leonard Valve Company was founded in 1913. A pioneer in the development of water temberature control valves, Frederick C. Leonard invented the first bimetal thermostatic element - the DURA-trol® bi-metal thermostat - to control water temperature, a critical service for hospital and health care facilities.
Over 110+ years, Leonard Valve product lines have expanded to include individual and multiple shower valves, larger mixing valves for the control of domestic hot water temperatures, emergency mixing valves for safety equipment, and a complete line of digital mixing valves.