Patent ID: 8157924
Filing Date: 2012-04-17
Classification: A47L

Abstract:
1. A warewasher for washing wares, the warewasher comprising: a housing defining an internal space with at least one spray zone for washing wares; a liquid delivery system that provides a spray of liquid within the spray zone; a tank including an inlet that is connected to a hot water source for filling the tank with hot water, the liquid delivery system receiving water from the tank; an exhaust that vents air from the housing; a final rinse system operatively connected to a cold water source; a heat recovery system between the final rinse system and the cold water source, the heat recovery system transfers heat from the exhaust air to cold water provided from the cold water source; a valve associated with the hot water source selectively supplements the water exiting the heat recovery system with hot water from the hot water source; a temperature sensor located to monitor water temperature downstream of the heat recovery system; wherein the valve is a first valve, the warewasher further comprising