Thanks for your replies - both really helpful :)
Boiler replacement is partly because it's ~15 years old and has already needed a new PRV since we've been here, but also because I want to replace the combi with a heat only boiler, hot water tank & thermal solar/log burner system. I did...
Hi,
We've just moved house and the heating system is made up of 8 rads without convector "fins" on them plus a fair amount of microbore pipe (although there is a 22mm spine down the centre of both floors of the house and some 15mm spurs). I want to change all the rads for modern convector...