Features: 1) use the copper coil as the heat exchanger, according with international fashion trend, it is simple to install and use. 2) it takes the advantage of the tap water's pressure. More pressure , more comfortable. 3) it can produce hot water with constant temperature, it is safe and comfortable to use. 5) The water can be heated rapidly, so it can produce the high quality hot water. It can produce more hot water than the general types because it isn't. Key specification: 1) inner tank: stainless steel--0.50mm. 2) vacuum tube: Ñ)47 x 1, 500mm. 3) outer tank: painted steel-0.4mm; stainless steel sus304-0.4mm. 4) frame: coated galvanized steel-1.5mm; stainless steel sus430-1.5mm. 5) insulation: polyurethane 50mm. 6) copper coil: ¿¬12mm, thickness 0.8mm Type Area( º¦ ) Vacuum tube Volume(liters) Gross wet(kg) 20gp/40gp/40hc Loading qty(sets) ¿¬(mm) Length(mm) Qty(pcs) Lc58/1800-20c 2.97 58 1800 20 200 115 26/58/66 Lc58/1800-24c 3.57 58 1800 24 240 140 22/48/54 Lc58/1800-30c 4.46 58 1800 30 300 172 20/44/50
