On 07/05/15 16:17, whisky-dave wrote:
On Thursday, 7 May 2015 15:58:14 UTC+1, Jim GM4DHJ ... wrote:
Which is just as likely to happen with a pro fitter as a competent DIYer.
Perhaps even more so as only an idiot would not do things correctly on
their own house gas supply. But it's a different matter with some pros as
it's impossible to be 100% sure they are competent. Or take care.

better with a enthusiastic amateur rather than a bored professional ? ...

Nope.
Not if you want to stay within the law.


Nonsense and quite incorrect.