Droning noise in central heating boiler
- Thread starter purplefleece
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and how exactly would you use a stroboscopic counter to measure a fan speed as the impellor is encased ? or has the mighty Tony Glazier not passed this miracle on to you yet ?
Ben what do you think the problem is. Leave joe alone and deal with the op.
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I have to admit I wondered that myself, but Tony is THE expert in here, and a thoroughly good egg. I'd be able to go into the CC and ask stupid questions in private like the rest of you do.
But didn't you say that if you were doing the testing, you'd measure the fan speed first?
I found this very interesting, because I make a living out of specialising in boiler repairs, and I have never ever had the need to measure the fan speed. In fact, afaik only 1 other CC member our of about 300 apart from Tony has the gear to measure fan speeds.
It is very, very rare that you actually need to know the speed of a fan and those boilers where it is an issue let you read it from the display. In all other cases, you either simply measure the air volume displaced by the fan, or the CO and CO2 volumes present in the POC.
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I'd follow Tony's lead thanks very much. A slow fan speed can cause issues. There was a thread about it just last week when the great Tony Glazier told you how to sort it.
As has been clearly posted more than once, it would be unsafe to give that advice on the open forum as it would entice people to try a diy job on it.
The problem sounds like one of the things that is known to happen on the old Ecomax, for which you need fga. Faffing around without the required knowledge and or gear could easily lead to lethal levels of CO, hence none of the RGI's on this forum will give any info on this.
As can a slow brain, which you have amply demonstrated.
You're still not very good at reading Joe.
The OP says he THINKS the man was qualified, but isn't quite sure.
The plumber THOUGHT it was the fan, but wasn't quite sure, as he said it COULD also be the fan.
If it turns out to be that my hunch about it being a late 90's Ecomax is right, I promise you it is unlikely to be either.
No measuring of fanspeed needed, no fan needed and no hex needed.
What you need, is a fga, knowledge, and possibly a 6mm HSS drill.
So ben can you inform a qualified engineer what you would do? The op can take it as said that he cant do it as he does not have a fga. Can the opp please confirm that he had no intention of diy ing a fan on his own boiler based on joes comments.
Certainly. Apply for CC access with admin.
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As can a slow brain, which you have amply demonstrated.
When the argument is lost - the abuse begins.
Funnily enough, Joe, you seem to be the only one that thinks so.
And what are you going to say if it DOES turn out to be a Ecomax, out of all possible Vaillants?
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