Water heater filter

Details Water heater filter Water heater filter

2006-08-29

2006-08-29

Cintins, Ivars C. (Department: 1724)

Liquid purification or separation

Particulate material type separator, e.g., ion exchange or...

With spaced non-particulate separating means

C210S282000, C210S287000

Reexamination Certificate

active

07097765

ABSTRACT:
A water heater filter is provided for the removal of minerals and sediments from water, comprising a cylindrical filter housing element comprising an upper chamber and a lower chamber linked by a small diameter section, an inlet fitting, a conical fine mesh stainless steel wire screen positioned within the upper chamber, a first cotton filter positioned within the lower chamber, a second carbon filter comprising activated carbon enclosed in a porous element positioned within the lower chamber, and an outlet fitting. The water heater filter has particular utility in connection with a household water heater.

REFERENCES:
patent: 3561602 (1971-02-01), Molitor
patent: 4693814 (1987-09-01), Brown
patent: 5906109 (1999-05-01), Dieckmann et al.

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