Fluffster said:Hope you have not filled the system with the new boiler before power flushing eek.
You will just need adaptors to 22mm however if you can swap em over to 22 do it now for your own peace of mind.
P
No I havent thats why Im asking now before I fill it and hear joints exploding everywhere lol
Its a bit difficult to get access to the drops, so my just leave it and see what happens. Hopefully it will be ok