Sleepstar said "well, i did that, but i dont need 5 meters of hose, and i;m not sure if the other hose is for the return lines.. sorry anyway"
I for one am waiting for an answer I need to replace those hoses too but different widths lengths is confusing. Please be specific IE.. you need 3 ft of 5/8" (diameter) hose listed on this site at the following link (at this point you copy and paste the location.