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Thanks for the advice. I haven't 'fiddled' with the burners; I have merely used a soft brush to remove any debris. The system is serviceable as the burners are easily exposed. I doubt I have caused this as registration is what made me expose them, however I take our advice on board...

Hi all Just wondered if anyone could advise? Our Suprima 100 is around 5 years old and I've repaired the PCB a few times (see other thread), and all has been fine for a further 2 years but now she's developed a whistling/resonating sound when the pump's running. I'm guessing its sludge...

FYI

Hi David Do they look anything like mine? If so they're probably threaded. //www.diynot.com/forums/viewtopic.php?t=138671 However I would hold much hope for removing them without damage as the thread has probably seized like mine, but thankfully I can purchase replacements. Lea

Hi softus Thanks for the thread confirmation, yes that's the conclusion I came to also. Best I begin ordering spares :) Many thanks Lea

Hi all Long time no visit but here's an easy one for those of you experienced. My 4 year old Heritage 'Hot' taps ( http://www.heritagebathrooms.com/pages/pd_tandm_loxleigh.html #) have all begun to be difficult to fully open - I'm guessing limescale build up in the valves. So, easy...

No I didn't buy some rubbish from eBay, I reflowed the board myself, that means I control the level of quality. An interesting point about solder joints and relay chatter but in my 20 years of designing (with relays) have never experienced it, but I'll bear it in mind. Though most my boards...

Just to let others know, 6 months later and the PCB/boiler is still functioning fine :-) Lea

As you so rightly say the goals of mass produced consumer products are at opposite ends of the spectrum to higher quality markets - it's more important to squeeze every ounce of price/performance from one's components than worry about MTBF! So I guess it's time to close now (especially as I'm...

Hagbard BTW - I was rather chuffed with the pictures too.... so simply had to make a post.... cheers Lea

Some interesting points to watch out for regards the NTC - cheers. Interestingly enough both zenner joints *looked* ok and so I'd imagine the resistance of the joints low - although maybe there is poor conductivity beneath the surface. On my PCB it was the black relays and larger mains...

Hi Tony Product design specification *should* encompass the ambient temperatures found within boilers however I'm sure this isn't always the case - consumer or not. My boiler has plenty of external cooling as it's not in a cupboard so I think we'll have to agree to disagree here as in my...

HI Guys Thanks for your comments. Unfortunately my report was made late last night and upon re-read I would have adjusted a picture's position and corrected the obvious spelling mistakes but I hope you forgive me - is there an edit button somewhere? Agile I can see no evidence of...

Hi all Potteron Suprima 100 PCB 5102160 Firstly many thanks to those offering solutions to the infamous Potterton PCB failure - mine is now fixed, although I will confirm after a week or so. However I wanted to contribute in return and show a few interesting pictures I took recently...