a device that directs cooled and otherwise wasted water to storage for reuse is disclosed . the valve incorporates a single flow stream through internal piping around a thermally sensitive coil which imparts rotation for automatic closing of a valve upon arrival of heated water to the valve . once closed , the device resets itself for the next activation and use . the device is basically self contained and requires only single point installation . the unit provides for many households to experience substantial saving on daily energy and water expenses . the installation can be readily retrofitted to existing structures or incorporated in new construction whether any be homes , apartments , hotels , condominiums and businesses with water distribution requirements . further , the present invention , requiring no external energy input , offers an alternative to expensive circulating hot water systems incorporating substantial initial cost and extended energy consumption .