Couple of questions re a ferroli boiler Maxima 35c WITH PICS

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Sorry for it being a Ferroli in the first place, never again thats for sure, their customer service for a member of the public is a disgrace and their services charges/call out fees are not good.

Ferroli 35c Maxima Combi boiler fitted 4 years ago..ground floor, the boiler had to go on an inside wall....so, flue out the top, through a wall into another small toilet, round the corner of the toilet and then out to an outside wall.

Total length of the flue pipe approx 1.6 metres. Flue rasied slightly as it meets the outside wall presumably for any condensation to run back to the boiler.

This is the problem, last night I noticed water dripping from the boiler...so, switched it off, read the manual and took off the front cover...There was a pool of water on the heater exchange unit...so soaked it off with a towel, cleaned the excess water from the boiler...no problem so far...I traced the leak back to I think the flue jacket (not the flue) at the top of the boiler..and it was from there it was dripping down through the boiler onto the heater exchange and splattering against the back of the pcb board at the front of the boiler....

After checking the flue jacket (not the flue) through into the small toilet a couple of the ubends have moisture round them at some of the joints (when going around the corner...small 90degree ubends etc...If I manually move the jacket water actually drips from these joints.

I assume that there is an inner flue pipe from the boiler flue outlet which then had an outer casing/jacket where I can move a little at the joints and see water dripping The jacket is cemented into the walls where it goes through so maintenance when it comes isn't going to be a simple job)

What is the fault? Is it possible that the rubber/plastic or whatever seals are on the inner flue pipe have failed and that the moisture is then leaking from the inner flue pipe to the outer casing? (My carbon monoxide meter doesn't appear to detect anything and it's recently been tested) and thus running back to the boiler but because it's not the actual flue pipe (which I assume anything going back simply goes into the combustion chamber and is combusted so to speak.

Why would the seals on a flue fail just four years in...seems a bit strange to me.....the outside flue end is protected from vandalism, nothing is inside it that i can see and the vents are clear.

Is there any danger to me should I keep the boiler running? what if the actual inner flue pipe has dislodged a little from the boiler due to the pipes in the small toilet being manipulated to see for the leaks? would the boiler shut off if the flue lost it's seal etc etc?

I am running the boiler as a test at the moment, i've put the cover back on but as a precaution I've placed a waterproof covering on the back of the pcb board in the event that water leaks again...and I've kept a tub (friend rice tub from a chinese) lined the bottom of it with silver foil and placed it above the heater exchange which is where the water was dripping on to it.......I guess the heater exchange will only get hot when the hot water is on anyway...but it has been catching some drips.... I've undone the expansion pipe cap a little...not enough to allow the steam from it to come out and thus go all over the bottom of the boiler but enough for it to drip into a large bucket ...I've run the boiler, it's firing up and working...and heating/water is working and all but the front panel of the boiler is back as it should...I realise it's not perfect but in the absence of an available plumber until mid-week it's all I can do to keep warm. I switch it off at night inclusive of the gas to the meter just to be on the safe side. I have not adjusted or taken apart any components or wiring or anything, I've simply cleaned up the water and noted where it appears to be coming from. No interference of gas/electric has been attempted (I wouldn't know where to start anyway)

I was initally running the thermostate at 19.5 and the rad temp on the boiler at 58...I guess this is too cold for the house to be warm ...would this have caused the condensation or for the seals in the flue to be faulty?

I managed to get a torch up to where the flue comes into the boiler..I have pics if I am allowed to post them...and there was moisture up there, also there is a little rust up there and when i removed some of the screws from the outer casing of the flue (not the flue) (I thought the water if there would run through but there was not but they were rusty almost the entire thread...so this may have been happening over the course of time but with the recent low temperatures it's exacerbated the problem or shown up the error....I had the boiler serviced in May by ferroli.the service was £150 and no errors were reported.

Any advice would be much appreciated and also does anyone know how easy the parts as in a new flue/casing/seals would be to source for the plumber when they do come out and will they be the same as they once were...ferroli have recently updated the maxima...so i guess the flue may have been changed?

I can post pics if required.

Thank you

Julie
 
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wrong or is my question not one that is easily answered?

I say this because there are 40+ responses to other questions and nothing to mine and twice I've brought it back from the 2nd page etc?
 
I would advise against using the boiler as you may have compromised the integrity of the flue.
When you talk about the flue jacket, I'm assuming you mean the air duct, which is actually part of the flue.
I've undone the expansion pipe cap a little
do you mean the auto air vent, is so, the cap chould be loose to purge air from water system. Steam means the boiler is overheating.
You shouldn't be removing the inner door- which seals the burner and flue gasses etc from the inside of your house.
Post the pics, they may help make sense of some of your "technical" descriptions.
 
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I've uploaded the pics to my online website folder....there are 18 of them and I didn't want to take up this websites bandwidth..

They can be found here....
1 is the boiler as it is at the moment ...
http://www.partnerpick.com/userspace/userjg7299/1.JPG
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2 is showing oxidization of a pipe to the right of the combustion chamber
http://www.partnerpick.com/userspace/userjg7299/2.JPG
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3 is when the outer cover to the combustion chamber was removed
and there was a small gap revealed...it's obviously had water in there for some time given the amount of surface rust.
http://www.partnerpick.com/userspace/userjg7299/3.JPG
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4 is from the right of the back of the boiler towards the flue air part, it shows rust...not sure if this is normal.
http://www.partnerpick.com/userspace/userjg7299/4.JPG
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5 is a bit further away and at the same time I can see rust where the flue meets the combustion chamber ..I think...not sure if this is natural.
http://www.partnerpick.com/userspace/userjg7299/5.JPG
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6 is from the other side of the combustion chamber, it's quite hard to get to give it's almost against a wall but it looks like there is a good amount of moisture there as well..or at least has been
http://www.partnerpick.com/userspace/userjg7299/6.JPG
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7 is the other side above 6 and shows the flue/jacket from a different angle
http://www.partnerpick.com/userspace/userjg7299/7.JPG
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8 is a close up of 7 , it also shows oxidization of the panel between the boiler and the expansion tank area (which I cannot see at any point)
http://www.partnerpick.com/userspace/userjg7299/8.JPG
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9 is a close up of what I assume is the heater exchange (in the middle) when I first noticed this problem with water on the floor and when everything was switched off the heater exchange had a pool of water on it..which i soaked up, dried off etc....it's where the water eventually finds it's way to from the top of the boiler when it's in use (with the fault etc)
http://www.partnerpick.com/userspace/userjg7299/9.JPG
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10 is a close up of above
http://www.partnerpick.com/userspace/userjg7299/10.JPG
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11 is just a shot to the side and shows a bit more rusting...
http://www.partnerpick.com/userspace/userjg7299/11.JPG
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12 is after I put a protective cover of bubble wrap over the pcb at
the front and small tub lined with foil so it doesnt melt ..this catches the
water when it drips...sometimes it's a 1/4 full other times it's altgoether dry (when the boiler is on)
http://www.partnerpick.com/userspace/userjg7299/12.JPG
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13 is what I assume is an expansion pipe...It tuns back into the boiler
and then if full there is another pipe )out of shot) as an overflow i think that it would go into and out via the overflow pipe. I've loosened the white cap so that it just drips..which it does..into a tub underneath. The heating was on for a few hours yesterday and it collected about half a pint of water...there is more the later it gets...I take it it's due to atmospherics and the flue pipe issue contributing to it?
http://www.partnerpick.com/userspace/userjg7299/13.JPG
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14 is the top of the flue where it first leaves the boiler and goes through the wall into another smaller room (see pics below) there does not seem any leak around here or even moisture....
http://www.partnerpick.com/userspace/userjg7299/14.JPG
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15 is where the flue comes through the way (internal) to a small toilet, you can see the moisture dripping now on the joints and it's been happening for a while as some of it looks brown stained
http://www.partnerpick.com/userspace/userjg7299/15.JPG
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16 is a close up of 15
http://www.partnerpick.com/userspace/userjg7299/16.JPG
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17 is a close up of 15 at a different joint
http://www.partnerpick.com/userspace/userjg7299/17.JPG
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18 is the boiler as it is now, it is on at the moment. There is no moisture in the small tray but the expansion part is dripping slowly....
http://www.partnerpick.com/userspace/userjg7299/18.JPG
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I have a carbon monoxide meter in both the small toiler where the flue pipes are and one in the boiler room, neither have made any noises and both were recently tested. As a precaution I switch it off at night and that include the gas to the meter.

I'm at a loss what to do with the worst case scenario being having a new boiler but not being able to get it fitted before the holidays/Christmas and with sub zero temperatures due soon.

The boiler was serviced by Ferroli in May, some of the rust in there looks quite old but Ferroli support is non existent to members of the public...

Who I get to sort it I dont know.
 
They really are a bag of ****e, I wish I had never fitted any for my customers, I got drawn in with the 5 year warranty, but to be fair "up to now" they have honored the warrantys and fitted 2 new heat exchangers and one complete boiler, they have been to everyone I have fitted unfortunatey.
 
combi only had a two year warranty....

Is there a common problem with these? as in what is displayed etc? I haven't a clue where to start, who to contact and what to get done.
 
Why is nobody answering the queries/questions? Is it that difficult or as previously stated am I doing/saying something wrong?
 
Ferroli seem to prefer you to use their own service, so dont list any approved engineers, I would suggest either trying Ferroli for a service call or find a Gassafe engineer in the area who could attend to look at the boiler. Latter may prove better option as Ferroli may not be willing to touch the flue, only the boiler itself.

Flue is composed of 2 sections, the inner being the exhaust for flue gases, the outer the air intake to the combustion chamber. It shouldnt be leaking as you describe, there may be a breach in the integrity of the flue to allow the condensation forming in the inner flue to escape on the joints, or the external termination is incorrect allowing rainwater to get in.

In any event, the flue should be angled sufficiently to allow condensate to drain back to the boiler and out via the condensate drain. If its also leaking from the bottom of the boiler this could suggest a problem within the boiler, the combustion chamber should be sealed to prevent flue gases escaping into the room. I appreciate you have the CO detectors and are turning the gas off overnight, but still strongly advise you get a professional to look at the boiler at the earliest opportunity.
 
fomr coming back to me, much appreciated.

Despite many calls to Ferroli they were only interested in sending out one of their own engineers and as you have already identified they stated they would not be interested in the flue ...even though it's their flue ..which I find disgusting and quite how a flue can fail so early on is beyond me.

I also tried to obtain a flue kit plus extensions plus ubends of which all Ferroli had in stock and I offered to come and collect them. This they refused but gave me the number of people like PTS and other similar....I phoned many of them but met with the answer 'sorry we don't stock or deal with ferroli anymore' which presumably ferroli would have known when they gave me the numbers. According to some of the plumbers merchants they reason why they stopped dealing with ferroli is because when ordering parts Ferroli insisted on pallets of parts being ordered which made things difficult...in any case...

I have phoned several plumbers, most are busy (understandably) and my usual plumber and the one who fitted the boiler in the first place seems reluctant to come back out and supply/fit another flue and meanwhile my home is cold for the most part.

I haven't removed a combustion chamber part but there is a cover that attaches to the top of the frame of the boiler by 4 screws, it seems like it's a heat shield from the combustion chamber to the outer casing of the boiler?

The water from the bottom of the boiler that finds it's way onto the heater exchange is coming from the flue opening at the top and finds it's way down naturally. Ive placed an insulated tray on the heater exchange which catches the water if/when it drips down.

To say I am frustrated with ferroli and their inability to even supply parts for a 4yr old boiler is putting it mildly to the point where I've decided to give up on it and instead purchase a new Valiant 837 or possibly the gloworm 37cxi ....I may be without heat for the next cold snap and over christmas but if this is what it takes to rid my home of Ferroli then that is exactly what I will do.
 
You are forming your own ideas of whar constitutes flue and boiler parts.

We do not advise owners to touch gas or combustion related parts as you have done.

You have had very bad luck with the makers and the unhelpful installerwho refuses to assist you when he fitted and perhaps chose that boiler.

You have not mentioned British Gas. They say they will deal with any recent boiler. Most people use them for difficult boilers.

I am sorry that you are not close enough for me to help you.

If it was my boiler then I would be taking action against them for providing a boiler system unfit for the purpose.

Tony
 
I am a ferroli agent. firstly I must state that you shouldn't meddle with Flues or gas. However ... it sounds to me that one of the inner seals has been misaligned during the assembly of the flue. Its a common fault. Condensate then runs down the outer part of the flue (the jacket as u call it) onto the top of the (main) heat exchangers then anywhere it can drip to. This also explains the rusty patch inside the combustion chamber but underneath the main heat exchanger. This is caused by the installer either not chamfering the rough edge of a cut length of flue & dislodging the seal. The hot gases going out can then escape and are instantly condensated by the cold air rushing in along the outer (jacket) of the flue. There is no separate part number for the flue seals but I have some if u need. I suggest a gas man disasembles the flue and starts from scratch. I use fairly liquid or similar to make the push fit pipes easier to slide into the seal. How did u manage to publish on this gas engineers only site? You are correct about Ferroli. It should be better (I dont work for them) However... If I am correct this is not a boiler issue but an installer issue. They are correct to not attend if it is the flue & the installer should be called back. You can probably see the drips of water up through the inside top of the boiler dripping down from the outer part of the flue. If this is the case it is definitely the flue construction at fault.
I think u mentioned Valliant as a possibility? I have had 'Valliant month' and the Eco Tec + range seem to leak like sieves. They all have their issues!
 

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