SK Air/water heat exchanger, wall-mounted, 1774 BTU/h, 230 V, 1~, 50/60 Hz, comfort controller, water-carrying parts: copper/brass, WHD: 280 x 550 x 120 mm, Air-Water Heat Exchangers wall-mounted, RAL 7035, Wired ready for connection Drilling template Sealing and assembly components, 280 mm, 550 mm, 120 mm, 11 in, 21.7 in, 4.72 in, 35, 230 V, 1~, 50 Hz/60 Hz, 50, IP 55, UL Type 1 | UL Type 3R | UL Type 12, 84158300, 1 pc(s), 18.221 lbs, 4028177495647, 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.