7
Drain cocks, Water pumps for filtering units
9
Measuring, detecting and monitoring instruments, indicators and controllers; Safety, security, protection and signalling devices; Electric sensors; Ultrasonic sensors; Optical fibre sensors; Biochip sensors; Sensors and detectors; Sensor controllers; Sensors for measuring instruments; Sensors used in plant control; Sensors for use in the control of engines; Electrical controls; Electronic controllers; Programmable controllers; Wireless controllers to remotely monitor and control the function and status of security systems; Wireless controllers to remotely monitor and control the function and status of other electrical, electronic, and mechanical devices or systems
11
Regulating and safety accessories for water apparatus; Regulating accessories for water or gas apparatus and for water or gas pipes; Industrial treatment installations; Water purification, desalination and conditioning installations; Waste water treatment tanks; Water filters; Water ionizers; Water filtering installations, apparatus and equipment; Water purification tanks; Water purification apparatus and installations; Filters for water purifiers; Water treatment apparatus and installations; Transportable instruments for processing water; Filter apparatus for water supply installations; Filters for use with apparatus for water supply; Filter elements for the overflows of water supply tanks; Power filters for water purification [other than machines]; Water control valves; Regulating apparatus being parts for water apparatus; Valves (temperature sensitive controls for automatically operating -) [parts of heating installations]