On-demand hot water system

Details On-demand hot water system On-demand hot water system

1989-12-08

1992-07-07

Bartis, Anthony

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

219496, 392488, 392490, H05B 102, F24H 110

Patent

active

051290340

ABSTRACT:
An on-demand electric water heater includes at least one heating chamber having an electric heating element operatively positioned between a cold water inlet and a hot water outlet. The heating elements are controlled by pressure sensing switches activated by water flow initiation or termination. A pressure relief valve is provided as a safety feature in the event the pressure sensing switches fail.

REFERENCES:
patent: 1744716 (1930-01-01), Antonelli
patent: 2419429 (1947-04-01), Violes
patent: 2825791 (1958-03-01), Jackson
patent: 2911511 (1959-11-01), Megarry
patent: 2973424 (1961-02-01), Schomann
patent: 3898428 (1975-08-01), Dye
patent: 4185187 (1980-01-01), Rogers
patent: 4567350 (1986-01-01), Todd, Jr.
patent: 4594500 (1986-06-01), Wright
patent: 4604515 (1986-08-01), Davidson
patent: 4808793 (1989-02-01), Hurko

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