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UK diy (uk.d-i-y) For the discussion of all topics related to diy (do-it-yourself) in the UK. All levels of experience and proficency are welcome to join in to ask questions or offer solutions. |
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#1
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loud rattling from gas boiler
Our Vokera Maxin 24e has developed an occasional (well fairly regular in fact) loud rattling usually when it supplies hot water. It sometimes does is just on CH. It rattles for about 10 seconds and then the flame goes out, then it relights and repeats. The rattling is quite loud, as if someone is drumming on the metal case. I guess this is a job for Vokera but I would not mind some advice on whyether to opt for the "£160 all in fix it" or the "parts and labour" deal. any thoughts? thanks, Robert |
#2
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loud rattling from gas boiler
"RobertL" wrote in message ... Our Vokera Maxin 24e has developed an occasional (well fairly regular in fact) loud rattling usually when it supplies hot water. It sometimes does is just on CH. It rattles for about 10 seconds and then the flame goes out, then it relights and repeats. The rattling is quite loud, as if someone is drumming on the metal case. I guess this is a job for Vokera but I would not mind some advice on whyether to opt for the "£160 all in fix it" or the "parts and labour" deal. any thoughts? thanks, Robert Check the fan assembly. |
#3
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loud rattling from gas boiler
On Fri, 14 Nov 2008 08:31:37 -0800, RobertL wrote:
Our Vokera Maxin 24e has developed an occasional (well fairly regular in fact) loud rattling usually when it supplies hot water. It sometimes does is just on CH. It rattles for about 10 seconds and then the flame goes out, then it relights and repeats. The rattling is quite loud, as if someone is drumming on the metal case. I guess this is a job for Vokera but I would not mind some advice on whyether to opt for the "£160 all in fix it" or the "parts and labour" deal. any thoughts? thanks, Robert Given the symptoms you describe I'd start with the fan. Very likely it has worn bearing and the fan is both touching its casing and ineffective. -- Ed Sirett - Property maintainer and registered gas fitter. The FAQ for uk.diy is at http://www.diyfaq.org.uk Gas fitting FAQ http://www.makewrite.demon.co.uk/GasFitting.html Sealed CH FAQ http://www.makewrite.demon.co.uk/SealedCH.html Choosing a Boiler FAQ http://www.makewrite.demon.co.uk/BoilerChoice.html |
#4
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loud rattling from gas boiler
In article ,
Ed Sirett writes: On Fri, 14 Nov 2008 08:31:37 -0800, RobertL wrote: Our Vokera Maxin 24e has developed an occasional (well fairly regular in fact) loud rattling usually when it supplies hot water. It sometimes does is just on CH. It rattles for about 10 seconds and then the flame goes out, then it relights and repeats. The rattling is quite loud, as if someone is drumming on the metal case. I guess this is a job for Vokera but I would not mind some advice on whyether to opt for the "£160 all in fix it" or the "parts and labour" deal. any thoughts? Given the symptoms you describe I'd start with the fan. Very likely it has worn bearing and the fan is both touching its casing and ineffective. Another thought might be a dodgy connection to the gas valve (I don't know how relevant that might be on that boiler). Might be able to tell if you can hear it after the fan starts but before it tries lighting the main burner. -- Andrew Gabriel [email address is not usable -- followup in the newsgroup] |
#5
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loud rattling from gas boiler
On 15 Nov, 12:39, (Andrew Gabriel) wrote:
In article , * * * * Ed Sirett writes: On Fri, 14 Nov 2008 08:31:37 -0800, RobertL wrote: Our Vokera Maxin 24e has developed an occasional (well fairly regular in fact) *loud rattling usually when it supplies hot water. *It sometimes does is just on CH. * It rattles for about 10 seconds and then the flame goes out, then it relights and repeats. *The rattling is quite loud, as if someone is drumming on the metal case. I guess this is a job for Vokera but I would not mind some advice on whyether to opt for the "£160 all in fix it" or the "parts and labour" deal. any thoughts? Given the symptoms you describe I'd start with the fan. Very likely it has worn bearing and the fan is both touching its casing and ineffective. Another thought might be a dodgy connection to the gas valve (I don't know how relevant that might be on that boiler). Might be able to tell if you can hear it after the fan starts but before it tries lighting the main burner. -- Andrew Gabriel [email address is not usable -- followup in the newsgroup]- Hide quoted text - - Show quoted text - THank you for your comments gentelmen. I think the fan is thge likely problem. NOw I think about it, the noise has been a bit off for a few weeks. Also, the way the flame goes out looks like a flame starved of air. We've turned it all off until the vokera man comes. We bought the "fix all faults fincluding this one for a year " deal, for £300. Expensive, but it is an old boiler. Robert |
#6
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loud rattling from gas boiler
In case people are interested in what caused the rattling: The guy from vokera came today and he found that the flue had come apart up in the loft! This meant it was discharging flue gases into the loft and also sucking the outlet gases back into the inlet in again causing the flame to stutter (loudly) and go out. He was rather critical of the original installation for not supporting the flue sections, resulting in them gradually working loose and separating. Quite a dangerous fault really... I'm annoyed I didn't think of checking up there before paying for Vokera to come and diagnose it for me. Ah well. Robert |
#7
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loud rattling from gas boiler
"RobertL" wrote in message ... In case people are interested in what caused the rattling: The guy from vokera came today and he found that the flue had come apart up in the loft! This meant it was discharging flue gases into the loft and also sucking the outlet gases back into the inlet in again causing the flame to stutter (loudly) and go out. He was rather critical of the original installation for not supporting the flue sections, resulting in them gradually working loose and separating. Quite a dangerous fault really... I'm annoyed I didn't think of checking up there before paying for Vokera to come and diagnose it for me. Ah well. Robert What length of flue is in the loft? Anything where the flue is over one metre needs to be braced (supported). How old is the system? And, is the original installer coming back to get his wrists slapped for nearly killing you and your family? Glad you've got that one sorted. |
#8
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loud rattling from gas boiler
"RobertL" wrote in message ... Quite a dangerous fault really... I'm annoyed I didn't think of checking up there before paying for Vokera to come and diagnose it for me. Ah well. I would say that was money *well* spent. Was it done by a corgi? |
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