CONPIN CPTL-A Copper and Aluminum Compound Heating Radiator adopts primary grade TP2 seamless copper tube and Aluminum alloy plate fin. Dedicated mechanical expanding is utilized to minimize the contact thermal resistance. CPTL-A series features high reliability, high corrosion resistance, low water flow pressure drop, long service life, and high heat transfer efficiency. In addition, CPTL-A series also enjoys the features like concise in design and solid in build. CPTL-A Copper and Aluminum Compound Heating Radiator can be widely used in residential and commercial buildings.