Vaillant eco tec 28kw combination boiler, inside the boiler casing, full tare-down and review.
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- Опубликовано: 30 июл 2019
- Derek shows us the inside of the vaillant eco tee pro 28 combination boiler. Derek also shows how to do a full strip down of the Vaillant boiler. Also Derek shows how to re pressure an expansion vessel in a boiler.
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Splendid video Mr Robins you are a Luminary in the boiler fraternity , shame about the rotten mob , CTID.
By far the best tear down video you will find out there. Great work Derek 👍
Thanks for watching
Exactly what i needed to know. I like all your videos. Detailed yet not boring
Another excellent video. Wish I would of had you as my instructor, my training place was horrendous.
Thankfully I have come across your videos along with some others and I am doing my portfolio with a top engineer so things are starting to come together.
Great work, thanks mate!
Thanks Derek for an awesome video, it helped me change the pressure sensor after I got the infamous F75 fault and I saved a small fortune, your concise description made the job easy peasy, cheers fella.
Wow...what a thorough and plane explanation of vaillant boiler strip...amazing.
The most informative video about Vailant boilers maintenance and repairs and functions of the main components of the whole heating sstem
Another cracking review. The amount of detail given is amazing. Not only that! It’s well explained. You definitely know your stuff. So lucky to have access to these videos 😊. Thanks Derek.
Asian Jon. Training.
I am a Vaillant Engineer and this is a very good detailed video, brilliant
Red Man thanks 👍🏻
You maybe able to help me? I have this boiler, will it work with a nest smart thermostat? Cheers
@@tedcrilly1 yes but Drayton Wiser better choice with multi zoning, trv heads
F:75 whats that mean on a boiler please
@@wkd0 first thing to check, drain down the boiler is pressure on the digital screen is still showing pressure reading then the pressure sensors needs replacing. If that’s ok then probably the pump seized, if both of them 2 are ok check expansion vessel is ok. That should resolve the problem 👍
Very good informative tutorial video, Excellent insight how a combination boiler works, Thank You Derek, ManyThanks.
You are a gem mate. Keep it up .what a great strip down and explanation 👌
I have valliant training next month, but your videos have been very helpful me. Really appreciate. One of the best video on RUclips
Thanks and thanks for watching cheers 👍🏻
Another great video by mr derek very informative and easy explained thanks again sir
Keep doing good job Derek.
I have just bought this boiler to replace an incontinent Worcester/Bosch 24i Junior Greenstar which has always needed a bucket under it! Worcester used to make a 350 which was an un-burstable, superb boiler but their boilers nowadays are shite in my experience. Great video and great help because I'm a joiner not a plumber!
Amazing video as always Derek!!
Very informative video, great tips. Thanks Derek👍👍👍
Another great video, thanks Derek
Excellent video....keep up the good work!
Great video mate. Very informative. Thanks
Umar K thanks for watching cheers 👍🏻
Like your videos,clear concise and informative 👌
Thank you very much for your hard work making this Video, I enjoy so much,,,, 👍❤️
Bloody fantastic video. Please post other similar vids for other boilers
jmqmin today’s video is inside the glow worm cxi have you seen the others on the Worcester 800 and the ri and the ariston e combi one with more to come . Thanks for watching
Fantastic video many guys won’t let you know all this info
best video explaining how it works , ,would love you to service my boiler, as u know your onions
great explanation Derek
Thanks Derek great video it help me out no end
Excellent video perfect explained every things you beauti Derek👍 😍
The best video very useful and clear explanation
I like the way you explained unlike other cowboys
Nice one, thanks a lot for all the info, brilliant. You and yours keep safe. Singem.
Excellent video , saved me a fortune
Fantastic video, thanks so much 👍
That was fab Derek❤
Thank YOU DEREK
Brilliant explanation 👍
Excellent video
Really a very interesting video. TOP MAN
True about the HT lead cap breaking, I normally just unbolt the electrode from the burner without removing the cap, a new electrode gasket is supplied with the graphite seal
great video, very informative. Thanks
really enjoyed demo very good
Jerry McGill thanks for watching why not check out our other inside a boiler casing videos 👍🏻
Thank You, excellent video.
Great video 👍
Excellent video very educational.
Excellent really enjoyed that thank you!!
Excellent video.
Dankeschön für das tolle Video!
Gern geschehen
nice video. I've learned something. Many Thanks
A1 one video tutorial keep it up mate excellent content
Excellent video yet again I'm currently doing my portfolio in gas safe every time I watch these videos I learn so much
No one else puts as much detail and clear instruction on this industry.
Could you do a video on multimeter testing of boiler components
Thanks again 💯
All already have so check out the full channel 👍🏻
@@tomkatgastraining thanks
@@tomkatgastraining I've scrolled through your channel and can't see anything that stands out fir multimeter fault finding is it a specific video I need to find
Thanks again 👍💯
Good morning this is great video
Thanks for the great video
Great video 👍🏼
I have just retired and enjoy watching your videos.
Thanks for watching cheers 👍🏻
Gracias por el vídeo me a sido de gran ayuda un saludo desde 🇪🇦
You did alright bro don't see many channels break into and remove parts with a detailed explanation
I wanted to laugh when I saw your lidyl drill I almost went to turn you off until I saw the lcd display pressure to fill the vessel
Not bad mate 👍
Very helpful, thank you!
great video, only watched it as I got a boiler problem on a 2-year-old system. Heating on = everything fine but when the heating goes off pressure drops and boiler useless until you repressurise it. No visible leaks anywhere on the entire ch system, any ideas?
Really good information
excellent and informative
on the gas valve, inlet pressure around 20mbar for G20 and 0mbar on the outlet because it's a zero pressure regulator inside (possibly between -1 and +1mar because of small error but never more)
another outstanding vid with some really handy tips, thanks for just getting on with it, brill.
J Webber cheers 👍🏻
@@tomkatgastraining are eco tech plus combis worth the extra money over the pro model? Cheers great vid btw mate
Gary Lawton only if you need the higher kw
@@tomkatgastraining aren't they both 24kw mate ?
Gary Lawton it’s the higher one the pro is 28kw the plus is 32kw
Great Video
6 years ago, I decided to change my Boiler, from our good old reliable free-standing Worcester, to one of these popular ''COMBI' boiler's. Buy a Vaillant they all said, The German Rolls Royce of Boiler's.
After the guarantee ended, weve had to call out the 'repairman' 5 times, despite the servicing. Constant l;oss of compression, failed 'scensor '? a tiny bit of plastic. I jokingly asked the repaiir guy, how much is that, a fiver ? '' Add a naught '' he said. Then the Pump was ''Suspiciously slow'', and, 'Probably Sticking.'' ''It could fail, but when ??? nobody can tell.'' After I checked every Rad and joint accessable for leaks, it still cuts out ( first thing in the morning -it's favourite time for a rest) = no pressure again. VAILLANT--? NEVER AGAIN.
Boiler is fixed. The leak was the diverter valve cartridge in the boiler! got a new diverter valve.
❤ ThanQ 4 yor Hi-li educational video 😮i am a Auto-Engineer & foud it word 4 word interesting 😮
ThanQ Ever-so much 😅
Very nice 👍🏼
Hi brilliant video....I have a valliant boiler which has zero pressure on the PIN dial,but will still give me hot water and heating, but I have noticed the radiators become hot quickly...could you have a suggestion on the fault please thank you.
great info, thanks
Excellent vid, very educational, i need to replace my heat exchanger return pipe as it is split, before your video the pipe was a whatsit thingy. now i can order one from ebay. cheers all the best.
Fantastic great I e a gas engineer good to see like it
Great detailed breakdown of this boiler. Would you happen to have done one for a Baxi 105 instant. If so a link would be appreciated
ruclips.net/video/jPgCaEg0w2k/видео.html
Did one one the main boiler 👍🏻
Great video. What about the heat exchanger though?
good review of the boiler - Q. if i keep getting F75 (changed sensor, PCB, wire harness) is it time to remove and get another unit or a new pump? I can get the boiler working with three off-on operations in the morning, it then shuts down at 12:00 am but can't get going from a cold start at 07:00 am until i do three on-off switches
Thank you Very much!
Thanks for sharing.
Thanks for your video. I have replaced one fuse under the rectangle black box in the right bottom on the CPB. After changing it, my boilor is working fine but. only yellow light on for heating. Green and yellow light on for hot water.
I am just wondering it is normal. My boiler has two spare fuses on the CPB cover. Do I need to replace one more fuse? If so, I can't find the second one on the CPB. Does anyone know where it is? Thanks
Hi derek great video as always 👍🏼 what is the problem generally if heating working fine but hot water not,Led display shows reaching 65degs but water like warm, not diverter valve, likely a sensor or something else, can anyone assist or advise?
Cheers
Great vid! Thank you. I wish you showed full pump removal though. I looking into courses to do this summer and just self-learning right now.
To remove the whole pump assembly do I have this correct?
1.Switch off boiler.
2. Drain boiler.
3. Turn off inlet and outlet valves clockwise leading to pump.
4. Unplug connection and remove pump head (for easier access)
5. Remove diverter valve as explained in this video. Remove pressure sensor as explained in this video.
6. Unscrew copper pipe to pump (right side).
7 Unscrew connection to expansion vessel.
8. Remove pump screws.
9. Replace gaskets and refit .
Do i have that correct? Cheers!
Mister Zee you have drained the boiler before isolating the valves under the boiler always use an Allen key to do this not a screwdriver. You don’t have to remove the diverter valve just the big silver clip connecting the pump and diverter but it would make it easier for you. If you are changing the complete pump you won’t need to take the head off . At the end of the day as long as you get it out without damaging the boiler or yourself it makes no odds always follow the manufacturers instructions to help you. Thanks for watching cheers
@@tomkatgastraining You're the best mate very helpful and kind. Great I dont need to remove the diverter, makes life easier!
i have the same boiler but not with the rubber hoses or the brass diverter vale my one is black plastic
its been in for 6 years now no problems
what i would like to know what should i get done now regarding full service and what parts should i replace to keep the boiler tip top
also i dont think the expansion vessel has every been done or check
technics68 if you are not a gas safe engineer get one who is Vaillant accredited to do a full strip down service which should have been done on year 4 . Thanks for watching cheers
Great video Derek. This model is the same as mine. Is it compatible with the Hive smart thermostat? As I can't see where the Transmitter would go.
Thanks in advance.
Frank Rigby it is but not on ebus you have to wire it through the rt connection like any other 240 volt stat . Thanks for watching hope that helps
How would I wire a nest on a ecotec plus 637 with a vr66 control centre. Thanks
Great 👍🏼
Hi Derek, my Vailant comes on & off at night making the same sounds when the heat is coming on. Sounds like it's re-calibrating or re-adjusting. Any ideas what that could be please or do I need a plumber or service? Thank you.
ecotec pro28, lcd no power, pcb has 240, but boiler looks dead. removed mech.clock, as the on/off/reset knob was always loose and not selecting anything. But boiler has worked previously with knob broken. Saying that, my first thought was to check this? Had someone moved it? I popped plastic latch at top of clock panel, visually checked it, and put it back. Boiler came to life, lcd showed temp and call for heat. I noticed no ignition attempt, but after 1min the power died, but spur was still lit and fuses ok. I removed clock again and same thing? Boiler lights up but goes off shortly after.
Im guessing pcb.....but.....it turns off at a stage where the pcb may be giving power/signal for pump/fan to come on. So it may be one of them also? What do you think?
I had 10mins withboiler as it was midnight, so need to check it further.
Another brilliant vid.. got my first Vaillant boiler service next week on that very model.. so just getting the low down..
1 thing though.. there was a drain off on both flow and return.. is it either/or to drain boiler or use both?
Depends on which side of the hydroblock you are working on.
Very interesting
Thomas Bradwell
Thanks Derek
Thanks for this video don't see many like this at all so keep them coming I have a question though I have to do a service on the ecotec 813 for my gassafe probation do I need to drain the water at all as all that's needed is gas work I believe thanks
Carping mad john no you won’t gas safe will want to see you do a tightness test , gas rate , flue gas analyse with flue integrity and check any safety devices ie flame rectification . Hope that helps and thanks for watching , we have made quite a few of theses videos so please check them out 👍🏻
I didn't know I'd get the history channel.
Hi, my boiler is vaillant vuw 260 . The problem is that if the chimney led flashing more than 90 seconds after it doesn't start, just running the pump forever. Any idea why?
Thank you!
excellent
Derek - another great video - very informative. I was shocked about the catalogue of faults that are "common" on these boilers. As a professional engineer, but not in the boiler business, this indicates to me poor quality design and development by the boiler manufacturers with the public left to pick up the bill for this. Are all manufacturers this poor or are there some with a much better reliability record in your experience? Also if putting new boilers on old dirty systems is problematic, what method of system cleaning would you advocate?
Julian Lindley most of the time it’s not the boiler it’s the install or lack of servicing for some reason customers don’t think a boiler needs checking and servicing every year. I think the best way of cleaning a system is a magnaclean and then a magnetic filter to catch the bits over the year. Thanks for watching and your comment cheers
Thanks
If the foam inside the casing if fall apart is that a safety issue or it that just for sound proofing.
Peter sutton it forms the seal on the cover so that would be a safety issue
Derek, can you explain/show me how the boiler uses the flue gasses to “reheat” the water to make this a condensing boiler please? How some of the heat is taken from the flue gasses to reuse to heat the water....
Simon Stones this type of boiler is called a double pass heat exchanger. It has 2 coils of 10mm pipe inside the heat exchanger that draws most of the heat out of the flue gasses. Because it takes most of the heat out of the flue gasses it makes the water vapour in the flue gasses turn back into water (below 55oc) that’s why it’s called a condescending boiler. Hope that helps
Tomkat Gas Training I think I get that. I was under the impression the flu glasses pass back over the heat exchanger and in doing so, giving the water inside the pipes a double helping is heat energy. But you’re saying it’s ALL done inside the heat exchanger, in one go shall we say....?
Simon Stones in that boiler yes
Came on here to check what the F28 code is on my boiler, I'm having problems with my c/h, it just refues to light, yet I have hot water on tap when it's needed, I did however press the test buttons and my c/h comes on for around 10 mins, ive still no joy igniteing the pilot light when I press and hold for 10 seconds, it goes through a series of sequences like it's trying to light buyt then reverts back to flame out symbols.. Could you give a general guide before calling an engineer out.. Thanks Owen
Ps, almost forgot, what a great video, probably one of the best I've seen, well done 👍
How come you say should have co2 reading between 8.2-10.2 but in the manufactures instructions its saying 9.0 + or - 1 just confused me. Great video again please keep them coming !!
also sorry how would you check the rubber hoses on the flow and return, are they meant to be flexible and soft or hard and rigid? and if they needed to be changed what would you change them for? many thanks.
Vaillant now say co2 reading of 8.2 to 10.2 because engineers were changing the readings when they didn’t need to also Vaillant do a copper tube replacement for the hoses. Thanks for watching cheers
Good!
better than our collage
Brilliant video, thanks a lot for this! I have a bit of an issue at the moment with my bar going above 3.0.. I tried isolating and draining boiler but when I turn it back on, the bar creeps back up to 3.0 within a few minutes. I'm trying to figure out if it's a broken filling loop or maybe expansion vessel... how can I be sure what the problem is or would it just be a trial and error situation? I did notice a very slow leak coming from the filling loop but not at the valve end, at the other end. Any advice would be much appreciated.
In that situation it’s normally the expansion vessel to check it isolate the flow and return blow the water out of the boiler then you can check the pressure you are looking for about 0.75 bar thanks for watching cheers
Hi, did you fix your pressure problem ?
We had similar issues where the pressure dropped and eventually pinned problem to the heat exchanger leaking via the condense outlet, so you never saw where leak went.
@@tomkatgastraining I have BAR 0.6 or 0.7 constantly flashing on this exact boiler. Their are no leaks anywhere on the entire system that i can find visible and water taps / radiators all heat well. Anything to consider?