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Thanks, but i can't make it trip and it only seems to do it once every 2-3 days so its almost impossible to see what happens in the 10 secs before hand.

Mmm starting to get a bit involved. I think i'll call out a Potterton engineer to see if he can diagnose it any further. I'll keep you posted once i have a conclusion, in the mean time thanks again.

My safety thermostat does have the red button in the middle, although its fairly solid. I tried to push it in but there was no movement ! This would be easy to change, by the looks of it, which is why i'm trying to determine if this is the cause. Its defintely a Performa 24 and not a 24i...

I did actually get a bit brave and following the manual that i found, i took out the burner and hoovered it. While i was there i measured the resistance of the safety thermostat, the water temp was 'slightly warm' and it measured short circuit across the terminals (one side disconnected). I am...

I just noticed while passing that when CH is on the burner only lights for 10 seconds then goes out, then immediately relights for another 10 seconds and goes out relights etc etc. Is this the normal operation to heat the CH water, as it seems stuck in this on-off cycle. It does stop the on-off...

Flame went out again today and had to reset it.....again ! I've checked the manual and it doesn't mention an "enhanced" overheat stat, just a normal overheat stat. How comes it needs to be reset if there is no pilot flame, Baxpoti wrote above that there isn't a pilot flame.....i'm confused.

Oh ok thanks Gasguru. The pressure guage is at 1. Not sure about the enhanced bit i'll have a look in the manual and get back to you. Is there another way i can increase the pressure to the shower, or is it likely that the boiler could be blocked somehow which reduces the flow rate?!?!? The...

Thanks for your replies. i noticed in the manual that the gas pressure should be 20mbar, however the guy who installed it 3 years ago wrote down that it had 12mbar. Going by your other comments i think i'll get it serviced by potterton and see if they can adjust the pressure. Maybe if the...

Hi, I'm new to this forum and am hoping for some guidance. I've just moved house and our Potterton Performa 24 combi boiler (3 years old) pilot flame has managed to go out 5 times in two weeks. Its fairly easy to reset but very annoying as we find ourselves checking the light everytime we turn...