| 摘要 |
<p>The invention relates to a water recirculation system 1 for a shower unit 2 and comprises a plurality of reservoirs 6a, 6b and switching means for selecting from which of the .reservoirs the bower unit receives water. A pump 4 recirculates water from a waste trap 10 of the shower unit to the active reservoir. Each reservoir contains a heater 16. At the user's command, a system of valves 20, 22, 24, 26 is reconfigured so that the shower unit becomes supplied with fresh water .circulated from a second. reservoir. Meanwhile, the fast reservoir is emptied, refilled and reheated to be ready for further use if required. A later embodiment relates to a method of recirculating water using said system.</p> |
