It isn't to hard to solder or braze a triclamp adapter:
Both the 5500W ripple elements and any straight element fit in mine. The short ferrule on the keg wall is pretty crucial for the ripple elements.
Design thread: Triclamp Heater element design
Secondaries: Lakefront India Brown Ale
On Tap 1: Rootbeer, On Tap 2: NB White ouse Honey Ale, On Tap 3: Nitrogen, On Tap 4: Air, On Tap 5: Air
On Deck: DIPA, Imp Stout, Porter, Wheat, Black IPA
"No sense having empty carboys around when full ones take up just as much space. " - Me