In message . com,
koolio writes
Hi Folks,

The boiler pilot lights but the boiler fails to go all guns blazing. I
replaced the 3 Port motorised valve and pump a couple of weekends ago.
Filled up and everything was working fine.

Now the boiler just seems to cut out. Pilot stays on though. If I turn
everything off and restart, it'll fire up for about 5 minutes and then
die on me again.

Any ideas. Cannot find any manuals on potterton site so don't know
where to start. Any help would be greatly appreciated

Does it keep sparking i.e a continual clicking ?

--
geoff