| 摘要 |
<p>The device has a back-flow preventer arranged parallel to a circulation pump, and a circulation controller (8) to vary home temperature, where the circulation controller is connected with a thermostat element (12) for controlling mixing temperature of a fitting, such that water is circulated from a drinking water storage to homes through hot-water pipes and the water is alternatively circulated from cold water pipes to a drinking water storage. An adjuster adjusts the home temperature to eliminate mechanical contaminants. An independent claim is also included for a method for securing receipt of hygienic quality of drinking water in cold and hot water supply pipes of a domestic drinking water system.</p> |
