Apparatus for heating, water supply and sanitary purposes; filters for use in central heating systems; filters for use in heat, water and sanitary pumps; filters for use in water purification; all of the foregoing for use in relation to central heating systems, or to other heating, water supply or sanitary equipment used in buildings, in offices, in residential buildings, or in other domestic or commercial use; but all of the foregoing excluding any goods for use in vehicles or for automotive use