Playing around with it some more this evening and I came up with a mouthpiece configuration for the Arizer stems I like using the WPA.
Super simple, just unscrew the adapter from its base, flip it over & screw the small end to the small threads on the base. Now insert the black silicon gasket into the large end of the WPA & insert the Arizer stem as before. This gets the gasket much further from the heating chamber as well as the stem itself. The WPA acts as a heat sink so both the gasket & stem stay much cooler and the end result I believe is a much smoother draw. 2 Pics attached, one with the screen attached. Give it a shot & let me know what you think!
***right click on the IMG tag & open image in a new tab***