Mike Frerichs wrote:
> I was wondering if anyone could explain to me what the anode is for on
> my water heater. I've also heard it referred to as a "sacrificial
> anode" which leads me to believe it might be something that needs to be
> replaced once in a while. My water heater is about five years old and
> there's quite a bit of what appears to be some type of corrosion around
> the anode on the top of the unit.
It's it's job. It's job is to corrode, so that the rest of
the system doesn't.
As far as I know, as long as it's not totally insulated by
it's own crud, it works as good as ever.
Trevor Boicey, P. Eng.
Ottawa, Canada, firstname.lastname@example.org
ICQ #17432933 http://www.brit.ca/~tboicey/
"I may have accidently tore a hole in the space/time continuum" - Ajax