dave is there a seal or washer on the end of stem because when i look inside tube there is a ring on copper. also is the stem suppose to bend to the side and back like these pics. [URL=http://i1296.photobucket.com/albums/ag3/cuz2424/VIDEO0004_zps7mlwlrsq.mp4]stem[/url] and this one [URL=http://s1296.photobucket.com/user/cuz2424/media/IMAG0079_zpsoopgrkqn.jpg.html]stem[/url]