Every month tens of thousands of hot water tanks burst prematurely due to corrosion causing severe water damage to property both indoors and outdoors, yet this can easily be avoided. There is one simple thing you can do NOW to protect your hot water tank from the destructive effects of corrosion on your tank. Following a schedule of timely replacement of the sacrificial anode in your hot water tank will double, or even triple, its life.
See here for full article.
[Editor's note: Here is the online parts list for The Official Corrosion Blog Water Heater (er, the one at my house). It has a six year warranty. Coincidently it is about five and a half years old, it was installed when I bought my house (The Official Corrosion Blog House) in March 2004. The anode rod is part number 7, and screws into the top of the heater. A new anode only costs $25.99, and probably will extend the life of my heater by another 6 years or so. A new heater of this size costs around $400. I just ordered a new anode. I'll post pictures when I swap the old one out.]
Monday, October 26, 2009
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According to the manual for my water heater, the anode rod should be removed from the water heater tank every 3 years for inspection. If the rod is more than 50% depleted, the anode rod should be replaced.
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