The Titan Control Max 1500, 1700, 1900, and 1700 Pro all have a proprietary gun and hose fitting that standard airless hoses will not attach to. We have done some research and now have a 3 fittings combination in the Paint Life Supply Co. store that will make our hose whips work with these three sprayers. The hose side needs two fittings to make a pipe x female metric fitting connection. The gun side needs a fitting 1/4 female pipe thread x 12mm metric male to make the connection.