CIRCULATING HOT-WATER DEVICE FOR BATH

摘要

PURPOSE:To take a clean bath at any time even when continuous operation is performed by propagating aerobic bacteria decomposing the offensive smell and turbidity in the hot water in the biological filter device of a circulating hot water device for bath. CONSTITUTION:A biological filter device 6 is provided to the circulating hot water pipe 5 circulating the hot water of a bathtub 1 and fresh air is sent into the biological filter device by an air pump 7 in order to propagate aerobic bacteria in the biological filter device to apply aeration to the interior of the pipe 5.