What is this ? looks like a pressure meter ? wire is cut off. (i'm not sure how to put my pictures here, will find out ?)
http://i196.photobucket.com/albums/aa153/andy007007/plumbingvalve.jpg
http://i196.photobucket.com/albums/aa153/andy007007/plumbing2.jpg
http://i196.photobucket.com/albums/aa153/andy007007/plumbingvalve.jpg
http://i196.photobucket.com/albums/aa153/andy007007/plumbing2.jpg