11 Apparatus and installations for water supply; water supply installations; water supply apparatus; water supply equipment; apparatus for controlling water supply; regulating apparatus and instruments for water supply apparatus; irrigation sprinklers; irrigation apparatus; irrigation sprinklers; irrigation spray nozzles; drip irrigation systems; sprinkler machines for agricultural irrigation; sprinkler systems for irrigation; hydrants for water supply; agricultural irrigation units; automatic watering installations; automatic watering installations for use in agriculture; water treatment filters; water treatment apparatus for water purification; water treatment units for aerating and circulating water; pressure relief apparatus forming part of water supply systems; pressure relief valves [safety apparatus] for water apparatus; pressure relief valves [safety apparatus] for water pipes; regulating apparatus for water apparatus and installations; water conditioning apparatus; water cooling apparatus; transportable instruments for processing water; stop valves being safety apparatus for water apparatus; mixer taps for water pipes; taps for water pipes; water conduits installations; water control valves; water regulating valves; safety valves for water pipes; pressure water tanks; water purification tanks; apparatus or instruments for the regulation and/or restriction of the water flow, resulting in a constant volume flow independent of the pressure; apparatus or instruments for the regulation and/or restriction of the water flow with water pipes, watering systems, irrigation systems or sanitary installations resulting in a constant volume flow independent of the pressure (parts or accessories for water pipes, watering systems, irrigation systems or sanitary installations); cartridges consisting of multiple apparatus or instruments for the regulation and/or restriction of the water flow with water pipes, watering systems, irrigation systems or sanitary installations resulting in a constant volume flow independent of the pressure (so called modular regulation or restriction systems for a constant volume flow with water pipes, watering systems, irrigation systems or sanitary installations independent of the pressure); cartridges consisting of multiple apparatus or instruments for the regulation and/or restriction of the flow of liquid in pipes, resulting in a constant volume flow independent of the pressure (so-called modular regulation or limiting systems for a constant volume flow in pipes regardless of the pressure); heating apparatus and installations; heating units; heat pumps; air-source heat pump water heaters; air heating apparatus; air heating installations; appliances for heating; central heating apparatus; central heating boilers; control units [thermostatic valves] for heating installations; floor heating apparatus; water heating installations; thermostatic control valves for central heating installations; parts and fittings for all the aforesaid goods