In article , "Andy
Dingley" says...
On Mon, 27 Dec 2004 11:22:37 GMT, "mrcheerful
." wrote:

mine has lasted 15 years so far (Normal tank,soft
water, only heat source, so on all the time, nearly)
A neighbour has had at least four elements in the same period (hard water)

How does that work then? Does one of you have a borehole?


Or a water softener, perhaps?