| 摘要 |
<p>A hot water system in which, in the pipes from the source of hot water and connected to the individual hot water outlets there are small diameter pipes which reflect the layout of the normal piping arrangement and wherein thefe is a pump in connection with the outlet from the source of hot water, the outlet of which pump is connected to the small diameter pipes and from which water is passed from adjacent the hot water supply along the small diameter pipes and delivered adjacent to each outlet, the water displaced being forced back towards the hot water system. The invention also provides a method of maintaining hot water in the pipes of a hot water reticulation system.</p> |
