Maybe some are blue. I just checked mine, and it is blue. Perhaps someone painted it red 60 years ago and the paint wore off? Tell us more! Mine works perfectly well though.
--- In [email protected], "William R. Bayne" <ercog...@...> wrote: > > > Hi John, > > That's certainly worth knowing. Have never seen one painted red. > > If there is "authoritative reference, I'd like to put it in my book. > > Thanks! > > WRB > > -- > > On Sep 7, 2010, at 05:57, John Cooper wrote: > > > On 9/7/2010 2:57 AM, William R. Bayne wrote: > >> There is nothing visible on the outside of such fittings to confirm > >> the presence of an internal 1/16" restriction. > > The restrictor fitting *should* be red to signify it is not a standard > > elbow. > > > > -- > > John Cooper > > Skyport East > > www.skyportservices.net >
