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
