Bill, I stayed up all night waiting for you to show????? No show so I ate all the donuts myself, LOL.
Here's a link to my system, works great and it looks like teflon tape on the valve stem threads work just fine. Hope the link works, if not copy - paste.
http://www.tsttruck.com/Product_List.html
We got 9.6" of snow, can barely find the RV.