Abstract: A lead free water valve for domestic use as a saddle valve for tapping into existent water supply tubes to establish a permanent retrofit installation for controlled water service to a lateral installation, having a set screw affixing the saddle to the supply tube and having a retainer assembly by which a single non-removable fastener secures an operating knob that captures a retainment collar, and micrometer adjustment with port opening indication.

Abstract: An elbow fitting of selected member configurations and comprised of two members separately machined utilizing bar stock exterior form and one of which is cross drilled for assembly with the other and preferably adapted to rotatably receive a swivel spout sealed and secured therein, using less material, requiring less machining, and cost effective.

Abstract: A diverter-return body for a diverter valve directing water through a filter unit and characterized by low cost manufacture in its body of round configuration that minimizes machining and polishing, and assembled with a return coupling and mounted by a diverter coupling.