Robert L Adrian

US Patent:

20040069346, Apr 15, 2004

Filed:

Oct 4, 2002

Appl. No.:

10/264771

Inventors:

Robert Adrian - Highlands Ranch CO, US

International Classification:

F16L005/00

US Classification:

137/360000

Abstract:

A sprinkler winterization and drainage device and method for use in new and existing sprinkler systems that is capable of operation completely from the outside of a building. The devices and methods of the present invention may be used for sprinkler systems in residential homes, commercial or residential rentals, parks, schools and any other application where the main water supply conduit and main sprinkler supply line is located within the interior of a building. The device and method include a valve assembly including a valve located inside a building for shutting off the main sprinkler supply line from outside the building, while also providing for drainage of residual water in the valve assembly to the outside of the building. The device and methods of the present invention completely eliminate the necessity of entry into a building in order to perform sprinkler winterization.