Heating water supplement device for hot water boiler

摘要

1. the application range of the design shown in a technology, hot water boiler, heating water tank in the water shortage, the expansion and contraction of the heating up or to prevent the heating device can be added on it. 2. the invention is to resolve the technical problem that the old device, the heating water to make bubbles can not discharge is not smooth, the team added the good is not. 3. the method of solving it. in the case of the boiler with water pipe of the injection port is covered, expansion pipe, check valve used in connection with the construction of the lower part of the auxiliary passive joint box. 4. an important use of water is also manually add the heating can be realized, and the discharge of bubbles and the tube is flexible with a clear and complete