On Sat, 06 May 2006 10:23:17 +0100, David P wrote:

|On 05 May 2006, Farooq wrote:

| The germs would do low harm than the rust that might be coming from
| the tank or the hot water cylinder. Chances of "toxic" mineral are
| perhaps low since the main water supply is supposed to be quite
| clean.
|
|
|What about chemicals/metals/minerals getting into the water from
|parts of the hot water system?

The risks are very low

|Perhaps the heat makes difference or perhaps the types of metal used
|in boilers and their pipe joints makes a difference?

The amount of lead is very low even in old joints.
Worth the government thinking about in trying to improve public health in
general, by no way is an individual going to notice anything

|Do micro-leaks occur from the heating circuit (which passes through
|the boiler's heat exchanger) into the hot water used for washing?

Probably but they are not worth bothering about.

Life is all about taking risks, doing anything about them would cost more
than any possible benefit you gain.
--
Dave Fawthrop dave hyphenologist co uk Google Groups is IME the *worst*
method of accessing usenet. GG subscribers would be well advised get a
newsreader, say Agent, and a newsserver, say news.individual.net. These
will allow them: to see only *new* posts, a killfile, and other goodies.