SK Air/water heat exchanger, wall-mounted, 1024 BTU/h 24 V (DC), Water-carrying parts: copper/brass , WHD: 150 x 300 x 85 mm, Air-Water Heat Exchangers wall-mounted, RAL 7035, Wired ready for connection Drilling template Sealing and assembly components, 150 mm, 300 mm, 85 mm, 5.91 in, 11.8 in, 3.35 in, 35, 24 V (DC), IP 55, 84158300, 1 pc(s), 6.698 lbs, 4028177430921, Output categories 1023.64 - 17060.71 BTU/h. For use in tough environments. Convenient mounting options and flexible water connection options. External mounting or full internal mounting possible.