Hot water recirculating system

Details Hot water recirculating system Hot water recirculating system

2006-07-18

2006-07-18

Chambers, A. Michael (Department: 3753)

Fluid handling

With heating or cooling of the system

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

C137S563000, C126S362100, C417S012000, C417S032000

Reexamination Certificate

active

07077155

ABSTRACT:
A hot water circulating system to provide instant hot water including a hot water source connected to one or more fixtures and a hot water return line from the fixture to the hot water source including a check valve and a continuous circulation pump in the return line.

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patent: 2067938 (1992-11-01), None
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patent: 2174069 (1997-06-01), None
patent: 2249983 (2005-01-01), None

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