Patent ID: 6026844
Filing Date: 2000-02-22
Classification: F24D,Y10T

Abstract:
In a hot and cold water distribution system wherein hot water having a cold water inlet and a hot water outlet is distally delivered through a hot water line from a water heater to at least one hot water faucet, and cold water is delivered through a first cold water line to said water heater and through a second cold water line to at least one cold water faucet proximate said hot water faucet, an improvement for maintaining high temperature in the water drawable through said hot water faucet, said improvement comprising:means for storing a volume of hot water drawn from said hot water line;means for injecting said stored volume back into said hot water line when water temperature in said hot water line drops down to a preset level; andmeans for storing a compensating amount of water from said water heater as said volume is injected into said hot water line; andmeans for returning said amount back into said water heater as said volume is drawn from said hot water line.