Electric hot water heater

Electric heating – Heating devices – Combined with container – enclosure – or support for material...

Patent

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Details

219321, H05B 302

Patent

active

046459073

ABSTRACT:
A desirable electric water heater can be constructed by providing a housing containing three separate heating elements. These heating elements are connected in series with separate switches which are ganged together so as to be closed when there is a pressure drop in the housing and so as to be opened when the pressure in the housing increases. The heating elements and their associated switches are in parallel across a power supply line.

REFERENCES:
patent: 2836699 (1956-07-01), Mullin
patent: 3261963 (1963-12-01), Weinstein

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