"Don Phillipson" wrote in message
...
"Mike Hartigan" wrote in message
.net...

The life expectancy of a mainstream consumer type heater
is, perhaps ten years. I have two, which means that I can expect
such a puddle an average of once every five years.

This is not likely.
1. You will get longer life out of your water heaters
if you flush them out (removing precipitate) every summer.


Why summer?