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I've enjoyed all of the Technology Connections videos.
We can't say what causes mom's water heaters to go early without examining the cause of failure.
It could be scale buildup, or the sacrificial metal may have become depleted...
I thought about flushing my water heater recently, but then needed hot water right away and abandoned the idea. Figured if I were to flush it, then I've also got no excuse to not check the anode.
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