He is a list of part numbers I got from CK for a 20 series torch to use on my PP256 with a custom water cooler...
#CK225SF FX (250A 25' Superflex, Flex Head)
#1006-IN (quick connect hose ferrule-Installed on Gas-In)
#2564-IN (quick connect hose plug -Installed on Gas-In)
#225HCLV-IN (leather/Velcro hose cover 22' installed)
#SLWHAT-35-IN (SafeLoc, water cooled, 1/2" Dinse)
#AK-4 (2 series accessory kit)
If you have any questions or want to double check, you can contact Sjon Delmore
Sjon@ckworldwide.com