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Pluming (not plumbing)

Discussion in 'Plumbing and Central Heating' started by stevesey, 23 Jan 2007.

  1. stevesey

    stevesey

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    Location:
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    Busy researching possible boiler replacement in the summer (you may have noticed from other posts).

    Anyway current location is potentially problematical as it's in the integral garage and the flue points at the neighbours wall 2 meters away, with a fence in the middle and the space inbetween is the side path to both houses. Current flue is only at 1.8m off the ground (could probably just get the new one up to 2.1m).

    So i think pluming my be a problem both from the viewpoint of walking through it and it wetting the neighbours wall. This would not be helped by the fact that the garage is single skin so any flue would be very short (only 200mm if a rear flue) - so not much additional condensation would take place in the flue.

    So I was looking at the options- plume management kits, part L assessment:

    a) Do they work by just re-directing the plume, or does the extra length of cold flue increase condensation in the flue and so reduce the water vapour in the plume (noticeably)?

    b) I had a read of the assessment stuff for getting an exception. As our house has windowless sides that are both within 1m of the boundary the alternaive locations are very limited as the back/front of the house have large numbers of windows in the way. When comes down to it the only alternative locations are the airing cupboard or one of the back bedrooms - both would be very disruptive (moving cold water tanks, dismanting wardrobes etc) - but under the assessment rule they may be considered viable locations. Would these be considered viable locations? (I fear they would).

    The more I look into this the more difficult it gets - depending how the boiler looks in the summer I'm tempted to go for the ain't broke, don't fix it option (or any repairs that might be needed).
     
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  3. ChrisR

    ChrisR

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    Lots of options for a 50k non combi boiler, of different flue types. There are some unusual ones with easier flues. Could use the end wall?

    Most plume diverters are just a relatively cheap 60mm plastic pipe, costing a few dozen ££ for a few metres.
     
  4. stevesey

    stevesey

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    Chris - yep have downloaded several sets of installation instructions for 50K boilers - the're all so big compared to our apollo!

    A supplementary question - on the basis that the exhaust gasses must be warmer, would I be correct in thinking that a class B boiler will plume less than a class A?
     
  5. DIYnot Local

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