The Mueller Accu-Therm© plate heat exchanger lets you use your well water, chilled water, or municipal water supply to precool warm milk before putting it in your milk cooler. When you precool milk by 30°F (-1.1°C), you will cut the operation time of your milk cooler’s condensing unit in half. Plate heat exchangers feature stainless steel construction for durability and removable plates for easy inspection. Expanding the unit to meet increased production is, in most cases, as simple as adding more plates.