Fix Fault Saunier Duval Sd623

i have a saunier duval sd623 combi boiler and it is leaking water from the manifold which is attach to the pump. the engineer from british gas states that the manifold need replacing. he also states t ... more

I had the bolier and seem to be fine. Also added cleaner to the system which has been in about 7 days. Pilot light keeps going out and boler appears to be overheating. Plumber been back twice - cleane ... more

the saunier duval sd623 combi boiler ignites sometimes when tap is turned on, it can fire up several times in a row and when it doesn;t light up if you turn the Max/Min dial back and forth a couple of ... more

My sister-in-law has a Saunier Duval SD623 Combi Boiler and only now getting luke warm water from the hot taps. The pressure bar is on 0 instead of 1 so I guess it needs re-pressure. I am several mi ... more

I have a saunier duval sd 623 combi, I have no hot water or heating. When I turn a tap on the second(main) heating flame does not kick in, so I presume the boiler is lacking some pressure change, can ... more

i have just moved into a new property and as you can imagine a little low on funds to call out a heating engineer. My heating keeps turning itself off gas is coming through as you can see it burning b ... more

I have a Saunier Duval combi boiler model SD623 and the pressure has gone right down to zero, so that there is hardly any hot water available. Is there a simple way of increasing the pressure myself, ... more