The invention concerns a method for using an installation for delivering a frozen product comprising a feed line connected to a storage container or to an installation producing said frozen product. Prior to introducing said product into said feed line or during an interruption in the operation of said installation, a cold fluid is circulated in said feed line bringing the feed line to a temperature capable of maintaining said product frozen during its stay in said feed line or of maintaining said channel at said temperature. The invention also concerns an installation for delivering a frozen product and a delivery feed line. It comprises means for circulating a cold fluid in said feed line from a point located proximate to one of its ends. The invention is applicable to the food industry.