9 Apparatus and instruments for testing and monitoring central heating water for contamination and impurities; apparatus and instruments for testing and monitoring water in central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes for contamination and impurities; apparatus and instruments for monitoring and testing central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes for contamination and impurities; apparatus and instruments for monitoring and testing the efficiency, performance and consumption of central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes; apparatus and instruments for monitoring and testing heating, ventilating, air conditioning or water supply apparatus, systems, devices and installations for contamination and impurities; apparatus and instruments for monitoring and testing the efficiency, performance and consumption of heating, ventilating, air conditioning or water supply apparatus, systems, devices and installations; programmable control apparatus in the nature of downloadable application software, devices and installations for monitoring and controlling heating systems, cooling systems, boilers, heaters, and radiators; remote control apparatus in the nature of downloadable application software, devices and installations for use in monitoring and controlling heating, ventilating, air conditioning and water supply apparatus; remote monitoring apparatus in the nature of downloadable application software, devices and installations for use in monitoring and controlling heating, ventilating, air conditioning and water supply apparatus, central heating systems, devices and installations; thermostats; thermostat control apparatus; thermal sensors for use in thermostats; boiler control apparatus; communications controllers, namely for monitoring the communication between boiler and thermal sensors; downloadable computer software to enable professional contractors to install filters, register filter warranties, monitor the magnetite capture of filters, record filter installations completed and record the products used; downloadable computer software for monitoring and testing the magnetite capture of filters; downloadable computer software for monitoring and testing water; downloadable computer software for the control, monitoring and testing of heating, ventilating, air conditioning or water supply apparatus, systems, devices and installations; downloadable computer software for monitoring, testing and recording the efficiency, performance and consumption of central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes; downloadable interactive computer software accessible electronically, via computers or mobile telephones to enable professional contractors to install filters, register filter warranties, monitor the magnetite capture of filters, record filter installations completed and record the products used; downloadable computer software applications to enable professional contractors to install filters, register filter warranties, monitor the magnetite capture of filters, record filter installations completed and record the products used; downloadable mobile phone applications to enable professional contractors to install filters, register filter warranties, monitor the magnetite capture of filters, record filter installations completed and record the products used; downloadable mobile applications to enable professional contractors to install filters, register filter warranties, monitor the magnetite capture of filters, record filter installations completed and record the products used; downloadable computer software applications for monitoring and testing water; downloadable computer software applications for the control, monitoring and testing of heating, ventilating, air conditioning or water supply apparatus, systems, devices and installations; downloadable computer software applications for monitoring, testing and recording the efficiency, performance and consumption of central heating systems, cooling systems, boilers, heaters, radiators, pumps and pipes