Carpigiani 141 Ice Cream Machine How to adjust ice cream hardness Carpigiani 820 & 253 ice cream machine glycol coolant pump new here we have a new carpigiani 820 & 253 ice cream machine glycol coolant pump this pump is brand new never been used before. Frozen and is located in this country US. Machines using Glycol pump Carpigiani 820 & 253.