Patent ID: 8152995
Filing Date: 2012-04-10
Classification: C02F

Abstract:
1. An apparatus comprising: a hot water heater comprising a water intake and a hot water outlet, and a heater to heat water passing through the hot water heater; a housing having a hot water inlet and a housing water outlet, the housing coupled with the hot water heater via the hot water outlet at the hot water inlet; a removal medium having a surface area that is larger than the surface area of the interior surface of the housing within which the removal medium resides, wherein the removal medium has a surface area that accommodates adherence of precipitates formed in water and continues to accommodate adherence of precipitates while water flows through the removal medium from the hot water inlet to the housing water outlet until water fails to flow through the removal medium; an agitator coupled with the housing to agitate the removal medium; and a controller coupled with the agitator to agitate the removal medium at selected time intervals.