Automatic freeze protection system for domestic plumbing...

Details Automatic freeze protection system for domestic plumbing... Automatic freeze protection system for domestic plumbing...

2011-06-07

2011-06-07

Chambers, A. Michael (Department: 3753)

Fluid handling

Ambient condition change responsive

Atmospheric

C137S059000, C137S079000, C137S334000, C137S565170, C137S565350

Reexamination Certificate

active

07954506

ABSTRACT:
A plumbing system operable to automatically introduce antifreeze into the hot and cold water systems responsive to a signal from a controller. The controller activates the system automatically at a predetermined ambient temperature. The system can also be reconfigured manually.

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