Worst boiler to work on competition

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Nostrum

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As above, whats the worse part/boiler you've had to work on and why? (no detail into gas safety as it's in the wrong forum!)

personally for me, after today i'm voting Worcester CDI expansion vessel. Wasn't much left in it once I got the old one out, fan, heat ex, plate hex, pump, APS etc all removed.... nightmare! Normally fit an external in, but couldn't on this one.
 
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sambotc said:
Diamond are they the old sauniers that had a flap in the flue as an APS?

AWheating I am still repairing pumas now! There are a few estates around here that were fitted up with them, and a few still remain.

Agree with millsy on the O ring subject, why is it some manufacturers give you 90% of the O rings you need to change a part how they suggest, and throw a few others in that are useless along the way? Have to do a diverter on another 28CDI next week, only needs a diaphragm but you have to remove the whole valve completely to get to the diaphragm so just as well chuck a new one in and get the washers/O rings with it as well. I think it almost works out cheaper as well.


You say anything french, personally I love the chaffoteaux britony combis I know them inside out and they are very easy to work on. Just don't touch anything you don't have to!
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the cdi it will still leak everywhere
 
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strange i always loved saunier 620s found them easy to work on rebuild one in half hour easy provided they hadnt been left leaking for years when all the screws would be rusted up the one i hated most was the early potterton combi i think it was the lynx came in a nice shade of beige and had to be the most complicated combi ever with hot wire fan detection
almost as bad was the ideal (also beige )think it was the midas which was the size of a cooker hanging on the wall had several pcbs and relays in a drawer at the bottom
worst pcb to change had to be the ELM LEBLANC 27 wires in a casing half the size it needed to be with several swiches that fell out when you tried to get it back together
Actually the worst boiler to repair has been the same for the last 30 years its the one in your inlaws place that you wont get paid to do and invarably is the one you manage to short out the pcb whilst doing something minor
 
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one boiler that suffers really bad faults is the Baxi Bahama SIT version,not everythings the flow switch sometimes its 90% of the rest of the boiler
 
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always thought the worc cdi hw hex was a stuipid design. how ever well you drain the boiler when you pop off the hex (which is easy enough) you'll get a nice splash all over the pcb! dont worry the rubbish plastic cover will save us! stupid worc's.
 
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stevetheplumber said:
is that the realy early condenser that had the ally hex?
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no it was baxis stab at its first combi after dabbling with the genesis it was a SE boiler and a disaster from the word go the SIT control version would melt the boiler if it ran out of water it was so bad baxi had to buy ocean and its 240/280 combi and turn it into the 105
 
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there were some realy rough combis made by english companies in the late eighties nineties the reason was the established english companies didnt forsee how fast the combis took over the market
in there rush to compete they made some awfull boilers then once the parts to make a combi became standised we had a spell where a new company would pop up each week it seemed, gems, euro combis, savios etc most fell by the wayside i think savio became biasi
 
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stevetheplumber said:
there were some realy rough combis made by english companies in the late eighties nineties the reason was the established english companies didnt forsee how fast the combis took over the market
in there rush to compete they made some awfull boilers then once the parts to make a combi became standised we had a spell where a new company would pop up each week it seemed, gems, euro combis, savios etc most fell by the wayside i think savio became biasi
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i went on a baxi course years ago with the old man,bermudas were the daddy,combis were a weird new fangled idea,i was just a kid and fancied the bird at reception,LOL we were told they would never take off:24::smilielol5:but as we know combis did baxi was losing market share,the genesis basically a chaff in disguise came first ,then they rushed out the Bahama disaster
 
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Changed a Worcester cdi BF diverter over yesterday!! I've done a few but yesterday's was a nightmare! Remember the first one I ever done I isolated flow and return valves turned them back on and they leaked everywhere learnt that the hard way.

Yesterday changed all the o rings over reassembled and the pig still decided to leak from the cold water inlet! Had to strip the whole thing back out again, soul destroying! eventually got it done, bit of fernox lsx gives you peace of mind :)

I'm only in my early twenties so won't have come across much of the older stuff as the experienced guys!
During my apprenticeship when on the servicing the lads used to hate hitting a black ash or an opus fire/bbu, always remember they were a big lump that hogged the dog hair haha.
 
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My first is the Alpha Ocean Style FF, if you went at one O-ring you would have to replace all the O-rings, changing the O-rings could take 30 minutes or 4+ hours depending how lucky you were, it would get so that your tears matched the drips from the O-rings, my second would be the servowarm boiler with the rad on the front because swinging the rad out always felt wrong.
 
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villa_tom said:
I think I serviced one of those yesterday. Is that the boiler with the silly little copper tube connected to the fan and you have to remove it along with the fan to clean the condense?
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Can't believe there's one still running :)

Yep it had a tube attached to the fan and the burners kept rotting, fan seal kept leaking, condensate was a mess and the ignitors too ... they slung the burner under the base of the hex... !!
 
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