In article GMoyh.9062$xu4.6836@trndny04, andy everett wrote:
I have home heating oil tank (in the basement) that is original to a
home built in the 50's. Is there a rule of thumb as to when to replace
them? I also wonder if when tanks fail do they usually develop small
leaks or do they "split" open and release a tank of oil all at once?

Absent some sudden and high-energy "event", you will almost
certainly be able to observe minor leaks as an early indicator
of impending failure.

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