Water treatment equipment which is installed indoors and is electronically or electrically controlled, namely, water filters, water softeners, and water acid neutralizers, and the components thereof; Water sterilizers which are installed indoors and are electronically or electrically controlled; Water softening units which are installed indoors and are electronically or electrically controlled; Water purifying apparatus which is installed indoors and are electronically or electrically controlled; Water purification units which are installed indoors and are electronically or electrically controlled; Water filtering apparatus which is installed indoors and is electronically or electrically controlled; Water filters which are installed indoors and are electronically or electrically controlled; Water purifying units which are installed indoors and are electronically or electrically controlled, for potable water for domestic, commercial and industrial use; Water purification tanks; Water purification and filtration apparatus which is installed indoors and are electronically or electrically controlled; Regulating accessories for water supply which are installed indoors and are electronically or electrically controlled, namely, metered valves; Water treatment equipment which is installed indoors and is electronically or electrically controlled, namely, cartridge filtration units; Water filtration and purification units which are installed indoors and are electronically or electrically controlled; Water treatment components which are installed indoors and are electronically or electrically controlled, namely, water valves, water flow controllers, water meters, water treatment media and the vessels holding water treatment media, cartridge water filters and water filtering membranes and housings for water filtering membranes