Water conservation recirculation system

Details Water conservation recirculation system Water conservation recirculation system

1994-12-19

1996-04-30

Chambers, A. Michael

Fluid handling

With heating or cooling of the system

Hot and cold water system having a connection from the hot...

126362, 417 12, 417 32, F16K 4900

Patent

active

055115799

ABSTRACT:
The present invention is a water conservation system that provides instant hot water at a user's sink. The system includes a backflow line positioned between the cold water line and a thermal switch. A check valve is placed in the backflow line to prevent hot water from entering the cold water supply. A thermal switch that contacts the flow of water is used to give a more accurate measurement of the hot water temperature. This system prevents large quantities of warm water from being pumped into the cold water supply.

REFERENCES:
patent: 4142515 (1979-03-01), Skaats
patent: 4201518 (1980-05-01), Stevenson
patent: 4606325 (1986-08-01), Lujan, Jr.
patent: 5009572 (1991-04-01), Imhoff et al.
patent: 5277219 (1994-01-01), Lund

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