Demand recovery hot water system

Details Demand recovery hot water system Demand recovery hot water system

1990-08-03

1991-08-27

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 32, F16K 4900

Patent

active

050425242

ABSTRACT:
A demand recovery hot water system in accordance with the present invention provides for return of hot water from a plurality of plumbing fixtures to a hot water source. A transfer tank is provided with a movable piston which enables circulation of hot water without significant loss thereof. Continuous circulation is not required thus reducing operating costs.

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patent: 4750472 (1988-06-01), Fazekas
patent: 4798224 (1989-01-01), Haws
patent: 4930551 (1990-06-01), Haws

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