Yes we have.
No leaks, just a better flow of water through the radiators. A product is put in that sluices the sludge that collects in the pipe work.
We have a central heating overhaul every 12 months.
It took about 4 hours (4 bed house) and it isn’t cheap but we have hard water here and it is necessary every few years.
Cost as I remember last time a few hundred pounds.
How the experience of women has changed in N. America


