Hot water heater corrosion detector probe

Details Hot water heater corrosion detector probe Hot water heater corrosion detector probe

1975-07-21

1978-05-02

Rolinec, Rudolph V.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Frequency of cyclic current or voltage

204148, 204197, 324 65CR, G01N 2742

Patent

active

040877426

ABSTRACT:
A method and apparatus for providing a continuous indication of the interior condition of a water heater tank are shown herein. Iron interior surface of water heater tank is normally protected from corrosion by cathodic protection with the provision of a sacrificial anode element made of a highly anodic metal. A zinc probe is incorporated in the water heater tank such that the potential measured between the zinc probe and the iron interior surface indicates the condition of the sacrificial anode element thus providing an indication of the effectiveness of the cathodic protection. The zinc probe may be conveniently incorporated in the drain cork of the water heater tank.

REFERENCES:
patent: 2869003 (1959-01-01), Marsh et al.
patent: 3037920 (1962-06-01), Vixler
patent: 3867274 (1975-02-01), Herman

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