Tapware in USA Home › Forums › Public Forums › General Plumbing › Tapware in USA This topic has 1 reply, 2 voices, and was last updated 23 years, 5 months ago by SylvanLMP. Viewing 1 reply thread Author Posts 16 Aug 2001 at 2:39 am #275184 MasterPlumbersKeymaster Question: are loose-jumper type stop cocks a standard form of isolation valves used in home units/condominiums? 16 Aug 2001 at 4:45 pm #291328 SylvanLMPParticipant Absolutly not unless they are installed by Fly by nights (FBN’S) Author Posts Viewing 1 reply thread You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In