how can i fix my Saunier Duval boiler?
how can i fix my saunier duval boiler (thema f23 E)after someone bled the radiator with the system still turned on resulting in the pressure dropping to below 1 (red) whilst as i say the system was still on. i have tried bleeding the radiator again and returning the pressure to its righfull 1.5 place but still no joy
Andrew Flaherty, June 2008