Bromic Heating Platinum Smart-Heat Marine Grade 53-Inch 4500W Dual Element 208V Electric Infrared Heater - White - BH3622007. BH3622007. Ceiling & Wall Mounted Outdoor Heaters. The high-quality outdoor heaters and accessories have been developed & engineered specifically for marine applications and coastal environments and are the only outdoor heaters on the market that are fully Lloyd's register certified. Made of high-quality, AISI316 stainless-steel, Bromic Platinum Smart-Heat Electric Marine heaters were specifically engineered to provide superior resistance to the corrosive elements of coastal and marine environments. With their slim, aesthetic design and wind-resistant, radiant heat output, the Platinum Smart-Heat 208V Electric heater in white the ideal solution to enrich the comfort experience of owners of coastal residences and superyachts & guests on cruise ships.