This Hayden "How To" Guide titled "Where There's A Wall There's a Way" will assist you in the planning and installation of your central vacuum and the Hayden SuperSystem. Written by Ted Hayden, Chairman and CEO of Hayden Industries Inc., this eighteen page booklet includes drawings and helpful tips for installing central vacuums in new or existing homes using either Hayden's standard wall inlets or their SuperValves.   For similar products see our list of current Generic Central Parts & Components. Show Less