... temp differences High corrosion resistance Compact size air conditioning condenserSeriesEATB-55Design pressure(Mpa)3.0 OR 4. ... (R410a,R407c,R404,R134a,R22,R23,etc),oil,water,water and glycol mixtures. 2,Used in various equipment ... water cooler,drinking thoughts,constant temperture refrigerator,heat recollection and circulation,floor heating,indoors and outdoors heating devices air conditioning ...