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  1. M

    Looking for 1" to 22mm converter - compression

    Hi all, I'm looking for a way to connect a 1" copper pipe (on a solar collector), to a 22mm or other more normal size. I'd prefer compression fitting to solder. I've checked out a number of places but can't find anything with a 1" compression end - they're all threaded at the 1" end...
  2. M

    Soil/waste

    Hi, I have worked out that I can replace a saniflow in an extension, with proper drainage - there's enough fall to the existing manhole based on 1:25 fall - total length is about 17 metres. Previous owner obviously took the easy route. Thing is, I want to plumb two bathrooms to it. The...
  3. M

    Laminate over ceramic tiles?

    Hi, I want to lay laminate, ideally straight over ceramic tiles in a through kitchen/dining room. The tiles are approx 30cm square, flat topped, but obviously have a slight bevel on the edges where they are grouted (dip probably 1.5-2 mm from high to low. They are laid over concrete...
  4. M

    Hot water cylinder venting for first time in years- why?

    Hi, I've got a gravity fed heating system, with a potterton boiler, cylinder in airing cupboard and tanks in the loft. For the first time in years there has been a discharge from the hot water cylinder vent pipe (which didn't quite vent into the cold water header tank, which is how I know...
  5. M

    return flow through thermostatic shower valve hot feed

    Hi folks, I've discovered through a tortuous process of elimination, by turning stopcocks on and off and playing with taps, that I'm getting a back flow from the cold supply, via a Grohe thermostatic shower valve, into my unvented hot water cylinder, which eventually builds up enough...
  6. M

    how to find leak in sealed system?

    Hi folks, Basically my question is "Where is all the water going?". My heating has been getting noisy recently. It's a sealed system and every 6 months or so I have needed to repressurise it up to 1 bar through the filling loop and drain a couple of radiators. However, it got very noisy...
  7. M

    Unvented cylinder needs looking at - North London

    Hi folks, My unvented cylinder is now discharging almost continuously from the vent pipe. Varies between a fast drip and a low trickle and I'm now having to descale my car windscreen regularly. Expansion vessel was replaced about a year ago following earlier problems where the vessel lost...
  8. M

    Horizontal water cylinder - views on efficiency?

    Hi folks, A friend is being proposed a horizontal hot water cylinder as part of a loft conversion. I also have one of these and am not convinced it's as good as a vertical cylinder as it doesn't seem to warm up as quickly as our old cylinder (although this could just be different coils etcs)...
  9. M

    Raising cold water tank by 30cm - worthwhile?

    Hi folks, I've worked out that it would be relatively easy (well, that's what I think now) to raise my loft cold water tank by about 30cm. At the moment it's about 2ft above the shower head and about 5 feet above the bath taps. Would raising it by a foot have a significant effect on...
  10. M

    How to slow down flow to tap

    I'm looking for advice on how to stop a tap soaking all my guests. In our downstairs toilet, since the cold water was switched to mains pressure we now have a cold tap which can send water once around the very small basin and about 3 feet into the air. This is sufficient to soak a small...
  11. M

    Permitted boiler location question

    I'm planning an extension, and I eventually want to move the boiler into a small utility room. The boiler would be a new, wall hung model, not a combi. The question I have is: are there any specific rules about the location of a boiler which mean that it has to be on an external wall, or...
  12. M

    Kingfisher II not firing but pilot lit

    Just realised that we've had no hot water all day. Boiler is a Potterton Kingifsher II, CF80 pretty old (probly 10yrs+). Pilot is lit, pump working but the main burner part doesn't appear to be firing at all. Have watched for about 20 mins but it's not cycling on and off or anything...
  13. M

    Expansion vessel problem - PRV spouts twice a day

    I suspect that there has been some kind of failure with the expansion vessel on my unvented hot water cylinder. A couple of times a day, hot water spouts from the overflow, maybe a litre or two. The system is about 18 months old and this probably started 6 months ago. I've tried poking...
  14. M

    How to fit shower valve with 3/4" female thread

    Can anyone advise what fitting I should be using for a shower valve which has 3/4" female brass connectors on hot and cold inlet ? The inlets are horizontal and the supply comes up from below, so it obviously needs to go through 90 degrees. I've tried using 3/4" Male thread to 22mm elbow...
  15. M

    Attractive radiators

    Does anyone know of any radiators which are more attractive than the bog standard white ones that you get from most suppliers, but not as expensive as the designer jobs that cost hundreds each?
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