Water Heater Flushing: Good idea or bad idea?
I used to drain my tank every few months, but nothing but water ever came out!
Worse the drain valve cracked, I replaced it the next day but 2 weeks later the tank leaked at the valve and had to be replaced....
so these days I install a new tank and leave it be till it leaks, on average 12 years later.
the boiling sound is hard water build up inside tank.
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