I have been trying to find the manufacturer of the pump flanges that have a ball valve and hose bib cast as one unit. My wife threw away my saved issues of my trade magazines(Too much clutter). Thanx for the help. Mike
http://forums.invision.net/Thread.cfm?CFApp=2&Thread_ID=12685&mc=10 Labeled B&G Isolation Flanges. About half way down a post that the Webstone's do come with a purge valve attached.
I had forgoten about the Quantums.