Saunier Duval F24E Boiler?
Have a Saunier Duval F24E condenser boiler about 12 months old, pressure drops 2 or 3 a times a day after hot water/heating has been used for a while. When I return presure back up to 1.5-2.0 it works fine for a while and then drops again making red light come on
and stops the function.
Anyone got any ideas what needs doing please?
Nick, October 2009