HUB Parts › Rinser Connection Fitting Image 1 of 2 Image 2 of 2 Rinser Connection Fitting $6.00 Quantity: Add To Cart Added! The fitting to connect the rinser to the fresh water supply line.BSP threads on one side and 3/8” push connect on the other side. The fitting to connect the rinser to the fresh water supply line.BSP threads on one side and 3/8” push connect on the other side.