| 摘要 |
<p>The hot water supply system of the main patent, has a heat recuperator system incorporated in a tube between the water heating section and the chimney. This has a large coil inside this tube, and a more closely wound coil around the tube. The coil inside it separate from the coil outside, and is included in the line between the heating circuit and the water supply line to the heating section. The coil outside forms part of the circuit for supplying hot water to a dispensing point. The supply and return lines to the hot water tank are connected together inside a mixing chamber.</p> |
