On Fri, 18 Jul 2014 16:43:00 +1000, F Murtz wrote:

May be joints are not soldered as much in the UK and you use quickfit
substitutes but if they are soldered what do you use?

"Lead free solder" should be used on potable water supplies. Gas,
heating etc I don't think is specified.

"Lead free" is a Tin-Silver-Copper alloy but has melting point only
just above ordinary leaded 60/40. The term "silver solder" over here
would normally refer to brazing with the temperatures above about 450
C, against 200 C or just below for soft soldering.

--
Cheers
Dave.