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    Oversized Boilers????

    Agreed. WB said that they expect the installer to deal with any issues in the first three years and they deal with any in the last two years. All full parts and labour. Therefore, that does depend on how easily it would be to get the installer to come back and deal with the issue -...
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    Oversized Boilers????

    Gotcha on that one Bengasman. I have had the 'companies' in and pretty sure I'm going to wide berth them. BG done the usual £3.5K - the others were about £2.3k. Got all the speel about the one man band not being there afterwards but they would be - 24/7. Therefore, I am going to get some...
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    Oversized Boilers????

    Right - I'm getting the picture - hazily!! I'm narrowing down my boilers to either a WB30CDI or WB37CDI or Vaillient831 or Vaillant837. Fully take on board what has been said about the Veissman and the Avanta but the idea of looking into the pros and cons of these makes me want to put...
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    Oversized Boilers????

    hmm mystery - gotcha on the ice!!! Other people dont need to make me look stupid - I do a terrific job at that myself!!
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    Oversized Boilers????

    Phew!! Thanks guys. I'm guessing if I were a boiler you would be thinking I am not condensing all this knowledge very well - I'd probably qualify for the scrappage scheme!! Anyhoooo - see if I got this right. The CH takes very little power so the boiler needs to be able to modulate down to...
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    Oversized Boilers????

    Yes - I'm with you there. However, is that not controlled by various settings etc? See I understand about the boiler not being used to capacity e.g. buying a car that can do 120mph only to drive around in a 30mph zone will mean the car has a great deal of capacity not being used. The...
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    Oversized Boilers????

    Thanks - tho I am a bit confused by your reply. Do you mean when the return temp is too high it wont condense and therefore thats when it is most inefficient? What exactly makes the return temp too high? What I am not getting is why, if the return temp is too high, it makes it...
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    Oversized Boilers????

    I'm looking into getting a new boiler - Combi replacement for an old standard model. Our cold water flow rate is about 15l per minute and looking at boilers I thought the Vaillient 837 at 37Kwh would be the most suitable. Now I have spoken to one chappie who says that it is too high and...
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    New Boiler? - Powerflushe? - Keep Old? - What to do????

    Well I done as I said in my last post. In short - yesterday all radiators worked after turning all but one off and then turning them back on. Left everything the same and tried again today - the last two radiators did not come on. Well at least the last one did not get any heat, the...
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    New Boiler? - Powerflushe? - Keep Old? - What to do????

    mickyg - crossed post - see update on my last post :o - did exactly what you suggested except did not turn on the last one in the bathroom.
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    New Boiler? - Powerflushe? - Keep Old? - What to do????

    Right - I have turned on all radiators full and been around to them all. Eight of the eleven came on and each gave out reasonable heat - some a little warmer than others. Three did not come on at all. I checked the flow and return by hand and they seemed pretty similar difference...
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    New Boiler? - Powerflushe? - Keep Old? - What to do????

    Got it about the balancing. Problem is about shutting off the valves is that I did one or two the other day and they started leaking, just slightly but probably because they had not been touched since Noah sailed. BG Homecare contract replaced some of them. Now, if I have the BG Homecare...
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    New Boiler? - Powerflushe? - Keep Old? - What to do????

    Thanks for the quick responses guys. :) mickyg - agree with what you say. At the time they came back to the boiler quite a few times as they changed parts and the problem remained. So it is highly likely that they mis diagnosed. DIY is not my thing - and tho I will try - usually it means...
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    New Boiler? - Powerflushe? - Keep Old? - What to do????

    Hi -would greatly appreciate some advice from those that know on here. We have a Glowworm Ultimate bolier and a big - I mean BIG - hot tank. I think it has been in place for about 15 years- we have been here for 6. We have a BG Homecare contract and a few years ago it paid off as the boiler...
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