Radiator removal - making good pipework in wall

[Burger]

Because I am a 'mature' contributor...see another post..
is it just my age and experience that makes me think lead free solder goes not flow as nicely as the naughty stuff when used with laco .?

Possibly, I have seen some joints I’ve done (coz that’s what we are provided with) where it runs quicker than Usain Bolt. 😛

 

[ShaunCorbs]

Because I am a 'mature' contributor...see another post..
is it just my age and experience that makes me think lead free solder goes not flow as nicely as the naughty stuff when used with
laco .? Rob Foster aka centralheatking
other stuff over the years...Bakers Blue, Everflux, and some crap liquid stuff from a diy shop when we were really desperate...and
never use a live match to get active flux out of the pot, which we did once...ugh ...the phosphours in the red end de activated the whole
lot ...like 100 + joints ...NOT but fat Frank I did not notice

Takes more heat I find

 

[Best]

Leaded solder melts at lower temperature and remains melted longer. Much easier to wipe the lead solder joints.
Definitely flows better in my opinion.