Reply To: Revision: Water Heaters and Corrosion of Anode Rod

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#294673

Robert,

Thanks. I didn’t know those details of the “glass lining.” It makes a lot of sense, especially as regards the crazing cracks, and explains why the anode rods are still needed.

NtP


In reply to message posted by Robert Stephen Morton:
Nick & Garry, The glass lining is applied by a probe inserted into the tank & then th nozzle on the end sprays a vitreous enamel indide the tank, the tank is then fired & thus the glass lining, it is in fact similar to the lining of a vitreous enameled panekin used by millions of workers for their morning coffee or tea.
with fluctuations of pressure within a hot water service the lining gets crazy cracked & hence the need for the anode ( to protect the minute areas exposed by the cracking.
The Anode is the reason that HWS should never be transported on their side, because with the whipping of the anode will chip the enamel and or the anode will snap off at the plug, rendering the anode useless & the HWS with no warranty.
Bob


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