Thermionic valves; Electric valves (thermionic); Electronic valves (thermionic); Electric control valves; Valve operators (electric controls); Electrically operated valve actuators; Electric controls for automatically operating valves; Temperature sensitive controls for automatically operating valves; Temperature monitors (valves) for central heating radiators; Electronic digital switching apparatus; Solenoid controls for automatically operating valves; Solenoid operated valves; Solenoid valves (electromagnetic switches); Solenoids; Water meters; Water leakage detection alarms; Water level detection apparatus; Apparatus for measuring; Apparatus for measured valve acquisition; Apparatus for fault detection; Apparatus for extinguishing fires; Apparatus for environmental testing of electronic components; Remote controls for automatically operating valves; Remote data gathering apparatus; Remote data processing apparatus; Remote monitoring apparatus; Remote processing monitors; Remote reading fluid level indicators; Electronic digital controllers for controlling digital flow control valves; Electronic control apparatus for valves; Electronic control installations; Electronic control installations for sensors; Electronic control operating apparatus; Electronic control systems; Electronic control units; Electronic devices for transmitting data; Electronic data input apparatus; Electronic data interchange apparatus; Electronic data output apparatus; Electronic data processing apparatus; Electronic data processing equipment; Application software; Computer software; Computer software applications (downloadable); Industrial computer software programs; Industrial controls incorporating software; Computer monitoring apparatus; Computer monitoring instruments; Diagnostic apparatus, not for medical purposes; Consoles for use with monitoring apparatus