Flue Integrity Test - Gas Boiler Service - ACS Gas Training
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- Опубликовано: 25 июн 2024
- How to test the flue air intake on a gas central heating boiler. Boiler Service.
Elliott from E Fry Gas Services shows us a leaking Vaillant Combi Boiler.
How to test if the flue is dangerous.
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The re circulation of flue gases/ products of combustion normally only shows up on an analyser when testing the boiler in minimum rate, as at max fan speed the forced air is strong enough to pass past any faulty seals or joints on the flue, therefore it is very important that both max and min combustion checks are carried out. Great job as usual Allan.
Thank You.
Great video Allen. Appreciate the time and work you put into these. Although I'm a well seasoned engineer always something new to learn and they are great for trainees too.
Thank you so much. Send me some pictures or videos if possible 👍 Whatsapp 07725 692699
Everything that's helpful to know and nothing that's not (no dismal music in the background either is another fine touch). Keep up the good work, Al.
Again another very good informative video. I'm doing my Gas training and get so much out your videos. Thanks
Glad to help
No one can explain it better than you thanks again
Thank You
11pm. Got my test in morning. Alan heart the Jesus of gas engineers thank you times a million mate
Did you pass? Thanks.
Learn something new everyday,keep it up mate
Thank you for watching.
Great video and very clear explanation thank you I’m recently gas registered and hopping that you can do fault finding videos if possible ? Thanks
Such a good video. Flu integrity is one of the most important checks. I came across a vogue today that was kicking out 120ppm co .....flue gasket
Invaluable information that's what you call a proper service/job 👍👌
Thank You
11:05 Well done for saving your flue gas analyser from sliding off the magnetic board at the last minute! I was panicking LOL
Would of been a good excuse to replace it 😂
Another good video thank you Allan Hart appreciate it always learning something 👍
Glad you enjoyed it
This is a fantastic video...
Very useful., concise and to the point...
Real practical tips and true to life..
Well done!
Glad you enjoyed it!
Good one Allen👍 keep up the good work👍
Excellent video as always
Thank You.
great video from alan hart explained it very simple ,
Nice one Alan 👍 & Elliott (he is a good lad🤝)
He is a great guy. Thanks.
Thanks Allen. Very clear as always, thru Ambassador of the trade.
What i did ( i am retired now) i calibrated the tester in the outside air-passage of the flue before the boiler was in operating mode.
That way i always had clean non Carbon Monoxide air.
In the area were you stand could be CO concentration from the boiler you work on or from neighbouring Gas appliances.
Take care, and keep up the good work.
You are very kind. Thank You
Great video Alan
Learning a lot from you pal thanks
Thank you for watching 👍
This very helpful thanks. Start my acs tomorrow
Thank You
Your the man keep them coming
Thank You
New at the game I would have struggled findng that, would have managed to find but this video definitely helps to be on top off it
great video all part of a boiler service / never stop learning
Thank You
Send me your Videos WhatsApp 07725 692699
LEEDS PLUMBER - Shocking Boiler Installation and New Boiler ruclips.net/video/kIFbqtykuQk/видео.html
Good job
Ur vid is rlly good 👍🏻👍🏻👍🏻
1st like and 1st comment
Thank You
Yw!
Hi Alan love the videos. I'm in ireland so don't know if it's the same regulations. I just got a new worcester bosch 24i installed and wanted to know if this is right. My flue is right under my soffit and doesn't extend past the gutter
Informative yes but could have shown us how to replace these seals and part number would have been great. But watching you at end Alan you were very informative. 20.9 o2 now in my head hopefully. What's standard tolerance on that 20.9 obviously per mi but is there a generic tolerance?
How would you categorise a low co ppm inside a case of a room sealed appliance, not passing into the room and not pushing the ratio out of the tolerance? As always thanks for the content
👍👍👍👍 wonderful
Thanks Mum
Rubber perishes. No. Matter what they say. Fga great for finding these things. Modern boilers I am afraid built to fail.
"Modern boilers I am afraid built to fail."
This is why I refuse to replace my old working Vokera Compact 24 and 28 boilers - I must have really bad luck with boiler engineers coming over and telling me it needs to be replaced with a modern one before even trying to troubleshoot problems on existing.
On my Compact 24 it was a broken pump plastic housing that was pierced through right behind the automatic air vent bottle (the housing has over 2mm thick walls so am still puzzled how this happened but it looked like a screw driver job) causing water to leak - just had to replace the housing which I got cheap from from eBay with a spare pump. Another leak was from a loosened nut on the heat exchanger's water connection pipe that took 1 minute to tighten up and stop the leak.
They all wanted to replace my boiler instead of troubleshooting and fixing simple things. I also don't believe in boiler servicing in the UK anymore as many of certified engineers that serviced my two boilers didn't spend more than 15-20 minutes on each! Other faults that had to fix involved two ignition PCBs (a common fault on boilers), one main PCB and thermistors replacements.
I took apart my two boilers (excluding any gas related stuff which don't want to touch) in order to clean all water related parts e.g. including removal of debris from pumps, washers replacement etc. and it took me way more than 15 mins to do it properly on each (2 hours on average). Both boilers now run smooth and super quiet - no issues whatsoever.
I wish I didn't have to touch these things myself as am way too busy with IT stuff but have completely lost my confidence in quality of services provided by local boiler engineers (including Vokera certified sent to me - they should all watch these videos!). They don't bother to check things properly or clean parts when necessary to maximise boilers' life-span hence had to start doing these things myself and only get engineers to sign off my work. I'm also getting a flue tester to do annual CO, CO2 and O2 readings as none did them apart from convenient quick visual inspections (I think they rely too much on off-shelf CO testers and regulations that enforce them). I'm still hoping to meet a boiler engineer(s) one day that will take their job away from me...
What’s the best analyser to buy and what one do you use please? Allan hart
Hi Allen does rain water get into the outlet of the flue and where does it go, I’ve had a new boiler fitted with a deflection kit on the flue the boiler is a ideal logic max.
The deflection kit slightly angled upwards towards the sky and the instructions says it should be like that, but I think it would be catching the rain. Surly this isn’t good for the boiler ?
Brill!
Thank You
if the flue seals are damaged or worn can this cuase sometimes issue firing the boiler? sometimes mainly on very could morning my worcester greenstar junior 24i fails to ignite it tries few times then it goes into lockout.. all CO2 and flue analyzer tests are fine.. but i have notice seals are worn and need replacing on a duct elbow and uper flue joint.thanks
👏👏👏
Hi Alan great channel btw
Would a flue integrity test show a leaking heat exchanger seal ? Obviously with a combustion door in place
Thanks in advance
It should show something, but only sometimes. Thanks.
I have leak on one of the joints of the flue extensions, its a 3 meter run and we have 3 joints, horizontal run. How do we get this fixed and is it dangerous or detrimental to the boiler?
I can say as a fact I know engineers on council contracts. And all they do on a boiler service is stick an analyser in the flue and all done ten mins max each boiler.
Water getting into the top of my boiler blowing up 2 fans so far. any ideas? ( Worcester)
Hi , I’m doing my Acs course now , and i do enjoy your video.
Just wondering when you do the flue integrity check and you get 20.9 % of air is good !
But what happened if you also will get Co2 reading??
Is that class ID ?
Or you should not get any Co2 reading ??
Thanks
I wouldn't like to give advice on AR and ID best asking gas safe or the boiler manufature. Thanks.
My new FGA is reading 19.9 outside and 19.9 at the boiler?
How old was the cracked pipe and the seal?
A crack in the flue pipe is the equivalent to a egr valve on a engine in a way ,sucking gas’s back in
Not really sure about engines but thank you for the comment.
Hello alan, just wondering the leak detector fluid used in the first video is that just general leak detector fluid or is it formulated for flue seals, also would that show a leak on a burner seal i.e G10 seal aswell as flue seal, cheers
I would normally use my fga and not leak detector fluid
👍👍👍👍
I always test at the flue turret seal on vaillants.
Do you find many with issues? Thanks.
I work for a housing association work on mainly Worcesters, Vaillants and Baxis.
The Red gaskets on Worcester are more common.
As woth Vaillants, I've had 2 this year.
And it less common on the Baxis.
However I think it's more common on the older the boiler is.
@@justsendmelocation5068 If you do get any please send me some videos. Thanks. WhatsApp 07725 692699
If the maximum tolerance is 0.2 CO2 at the air inlet point, at what point would you tackle the problem? 0.21, 0.3? At what point in your opinion Allen does it become a serious issue?
Thank You
Allen how long should it take you to do a boiler service on say a combi?
Depends on the boiler and what you are doing.
ruclips.net/video/tErmZShhZoo/видео.html
Thank you
I would say as long as the boiler has been well serviced prior, it takes me 45 mins to 1 hour depending on the location of the boiler, for a poorly maintained boiler it could take up to 1 and a half hours.
It annoys me how some job vacancies for boiler service engineer roles are after 8-10 jobs to be completed a day or they will let you go. You can’t do a proper service if you battle to service 8-10 a day, unless you do an 18 hour day
What would you classify the boiler as if the air integrity failed, ID or AR.
AR
@@DannysGandB thanks
How do you stop rain coming into the flue ?
The manufacturer tries to design them so water cannot come in from air intake.
@@AllenHart999 have you got a video of settling up and adjusting gas valves , you are a massive help , thank you 🙏
@@davebayliss3142 ruclips.net/video/rcqs0S_R0Zo/видео.html
If its just the horizontal flue terminal straight into the turret like most jobs are, then I fit the terminal level as the fall is built into it. If flue extensions are needed then I fit the terminal level still but flue extensions with a slight fall.
Solo HE or promax blue seals all was go
Thanks.
How can you do this on anton?
Awesome 😍💋 💝💖♥️❤️
Thanks.