20150093101 | BOILER FOR HOT WATER HEATING MATS - A boiler for hot water heating mats, including: a hot water heating tank having a hot water discharging port, a hot water recovering port, and an electric heater; a hot water storage tank connected to the hot water heating tank, with a water charging port, an air exhausting port, a hot water inlet port and a hot water outlet port; a hot water discharging check valve; and a hot water recovering check valve. The heater is installed horizontally or inclinedly, and the interior space of the hot water heating tank is divided into a hot water heating chamber and a hot water discharging chamber. To ensure the heater remains partially submerged in water, the hot water discharging port may be formed at a height higher than the lower surface of the heater or a retaining wall may be installed on the bottom of the hot water heating tank. | 04-02-2015 |