Hello,
Regrettably we no longer sell the titan kit, so I don't currently have access to the specs.
However, the Erbauer cores require a 1/2" bsp connection. Provided the titan arbor you have has got a 1/2" male thread then it should fit the Erbauer core just fine.
Thanks for using Q&A. [DG]
Answered by: DGIFF
Date published: 2020-07-13