... , 14KW, 16KW, 18KW, 20KW, 24KW, 32KW, 40KW. Rated hot water output: 5 L/min, 6 ... /min (25 centigrade temperature rising); Gas Source: LPG, NG, Town Gas Rated gas pressure: 2800 Pa (LPG), 2000 ... Model of Ignition Methods: Impulse Automatic Ignition; Gas Exhaust Type: Flue duct type; Summer & winter ... water pressure starting design Gas Water Heater, Instant Tankless Water Heater, Natural Gas Water Heater