Boiler

TCR

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Hi all

I have a five year old Hideaway 60. recently the pilot light dropped out requiring a new thermo couple.

I replaced the thermo couple, injector pilot and pilot burner assembly. including the spark electrode and piezo unit and ignition lead.

On igniting I noticed that I was getting an explosive bang. nine out of every ten ignites. The pilot flame is at the correct measurement, so I spoke to Glowworm technicalwho suggested a sticking valve.

I replaced the Gas control valve and the pilot injector for the second time to no avail.

I spoke to Glowworm again and this time they suggested the Burner, burner injector, and the main feed pipe for the pilot injector. All of these have been replaced and pressure settings have been set up. The pilot flame is at the correct length but still the explosive bang on ignition continues.

I know the problem is that the gas released in the burner is allowed to build up before the pilot flame ignites it. What I don't know is how to cure it.

Other than change the boiler does any one have any ideas???
 
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corgiman said:
yes get someone competant and professional in to service it

Explosive ignition can be due to lack of service as advised. Im shocked by Glowworms approach to someone who appears not to be corgi registered (im sure you would have said if you was). and to advise the replacement of expensive parts that may not be required.

:eek: David
 
I did not think that they were still selling permanent pilot light boilers in 2001.

Either it was old when fitted or its a lot older.

Tony
 
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corgiman said:
yes get someone competant and professional in to service it


I should have explained that my nephew is working on the boiler. He is Corgi registered with more than 25 years continuous experience.
 
Agile said:
I did not think that they were still selling permanent pilot light boilers in 2001.

Either it was old when fitted or its a lot older.

Tony


Its a long drawn out story but Boiler no1 was installed new in 1998. after three years the exchanger developed a hairline crack. I had discussion with Gloworm as to the life of the exchanger and they decided to send me a replacement FOC. Ironically they sent me four new boilers over the course of three months. Eventually I believe that had to build final one up from scratch. You should have seen the trouble I had for the collection of the three, in hindsight I wish that I had left them in my garage as spares
 
TCR said:
corgiman said:
yes get someone competant and professional in to service it
I should have explained that my nephew is working on the boiler. He is Corgi registered with more than 25 years continuous experience.

If he is as experienced as you imply then I should have expected that he would know how to deal with it.

They are pretty simple technology ( even without comparing them with the current premix designs! )

Tony
 
Agile said:
TCR said:
corgiman said:
yes get someone competant and professional in to service it
I should have explained that my nephew is working on the boiler. He is Corgi registered with more than 25 years continuous experience.

If he is as experienced as you imply then I should have expected that he would know how to deal with it.

They are pretty simple technology ( even without comparing them with the current premix designs! )

Tony

You are absolutely correct about the boilers simplicity, thats the reason why I bought it. What I don't understand is a number of comments have been received of which I am grateful, but no one is actually making any suggestions on how to rectify.

I know this will turn into a trial and error scenario especially as glowworm technical do not have a clue. After changing the pilot assembly, The response of Glowworm made sense, that it was possibly a sticking part in the Gas valve.

Because this scenario started just before xmas I needed to get the boiler up and running swiftly. That's why I spent the money on purchasing all their recommendations. I am wondering is this the characteristics of the boiler after x number of years in service.


Tony
 
I know this will turn into a trial and error scenario especially as glowworm technical do not have a clue.

Most engineers maintenance is carried out in order thus ...

1. If it's a problem they've seen before, fix it like before.
2. If it's not follow the manufacturers fault finding flow diagram, changing bits as they go.
3. If it cures it fab, if not, scratch their head, suck in breath through their teeth and recommend a new boiler ... They, of course, would be able to fit one VERY cheaply ;)

Corgi RGI's don't wear their underpants outside their trousers and are no more capable of doing anything else simply cos they have a certificate.

As in all other specialisms, the best engineers are those with the most experience and the best memory who generally fix the majority of faults at line 1 above.

Some of the most competant heating engineers I have ever seen (and those you would want to turn up when your boiler dies on Xmas day) were not Corgi registered but would safely fix 99% of issues at first visit ... Experience + Memory.

I'm not having a rant about Corgi here (there are enough posts about this :) ) and many of the fine people who post here are Corgi RGI's who also have experience and memory in spades ... Unfortunately, a lot of the younger RGI's around have the certificate but no experience and are pretty much useless in this area IMO.

I agree with Agile though and I'm not sure why the OP's nephew is struggling ... Lots of experience, crap memory I guess :LOL:
 
Just being CORGI does not mean anything. I come across RGis who have been installing boilers for 25 years and still have no idea what goes on inside.

I dont use past experience of faults to fix boilers! I see what is not happening and use logic to deduce why its not operating.

My background however is electronic engineering and I just use exactly the same principles on boilers as I would on an electronic circuit.

It must be a simple fault as its a simple boiler.

Tony
 
have to agree I know too many installers who aint got a clue when a boiler goes wrong what to do
 
I believe that many of the rants I've read on these forums about Corgi RGI's began as a result of consumers believing that all RGI's are born equal and that, if they pick anyone from the phone book, he/she will be excellent.

Not the case, unfortunately, as we all know too well ;)
 

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