Modular tankless water heater

Details Modular tankless water heater Modular tankless water heater

2006-05-16

2006-05-16

Campbell, Thor S. (Department: 3742)

Electric resistance heating devices

Heating devices

Continuous flow type fluid heater

C392S465000, C392S490000

Reexamination Certificate

active

07046922

ABSTRACT:
A tankless water heater module is disclosed and includes a casing having a first end, a second end and a plurality of conduits formed therein. A top head manifold is coupled to the first end of the casing and includes a port aligned with each of the plurality of conduits. A bottom head manifold is coupled to the second end of the casing and includes a port aligned with each of the plurality of conduits. An immersion heating element extends through each port of the top head manifold and into the conduit aligned therewith. A flow path extends through the plurality of conduits, the plurality of conduits coupled in fluid communication by channels between ports of the top head manifold and a channel between ports of the bottom head manifold.

REFERENCES:
patent: 4455475 (1984-06-01), Giorgetti
patent: 5216743 (1993-06-01), Seitz
patent: 5325822 (1994-07-01), Fernandez
patent: 5408578 (1995-04-01), Bolivar
patent: 5724478 (1998-03-01), Thweatt
patent: 6167845 (2001-01-01), Decker, Sr.
patent: 6175689 (2001-01-01), Blanco, Jr.
patent: 6240250 (2001-05-01), Blanco, Jr.
patent: 6246831 (2001-06-01), Seitz et al.
patent: 6389226 (2002-05-01), Neale et al.

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