18×18 Water to Air Heat Exchanger Hot Water Coil Outdoor Wood Furnace W FITTINGS
2 free crimp to female sweat 90 deg fittings included. Rows of Tubes: 3 (3/8″ Seamless Copper). Inlet/Outlet: 1″ Copper Sweat. Rust or corrosion not included. Finned Area: 18″ x 18″.