... chillier and Air chillerswe can supply the heat exchanger in any shapewelomce to send us your enquiry2.High ... pumpWork Condition:1)Refrigerant side (Between the tube and shell):R22,R134a,R404a,R407c,R410a,R600a,etc. Max ... size of whole units.3)It's widely used in air-source heat pump, and water-source heat ... on the lowest position ,and easy for drainage in cold season,avoid freeze. This is Dragon Lee ...