| 摘要 |
<p>PCT No. PCT/IT93/00142 Sec. 371 Date Jul. 21, 1995 Sec. 102(e) Date Jul. 21, 1995 PCT Filed Dec. 29, 1993 PCT Pub. No. WO95/18340 PCT Pub. Date Jul. 6, 1995A device for saving water and energy is connected to an electric water heater either at the time of original manufacture or later adaption. The system of production of differentiated quantities of constant temperature of water. The device includes the use of hydrodeviators to control the level of the flow of water to and from the electric water heater. Attached to the system is a portion for the measuring of the water level within the water heater to prevent damage and to ensure the availability of hot water for users. The device also has a variety of necessary piping and conduits for the flow of water and/or air based on which position the hydrodeviators are set. The device allows for the connected water heater to produce water at a constant temperature even when there is a small daily water use.</p> |
