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  1. J

    Vaillant Ecotec 838 How to remove Pressure Sensor

    I desperately need some help. I have Ecotec exclusive 838 with a faulty pressure sensor. I got replacement part and tried to install but the old pressure sensor is somehow locked in place. I have removed the metal clip which holds it but I am not sure if there is another clip or some sort of...
  2. J

    Wiring a light / switch

    Is there any reason why electrician would take the power feed in and out cables to the switch instead of the lamp holder / ceiling rose? Just noticed when swapping out a faulty switch that this is how our electrician has re-wired our house. He's done a full re-wire with power feed going from...
  3. J

    Blown plaster?

    Extension built two years ago - brick on outside, aerated block inside. Extension has been plastered inside with sand, cement & lime scratch coat and multi-finish top coat. On one wall I have a hairline crack along the length of wall which keeps re-appearing after I fill it. When repairing it...
  4. J

    Cracks in ceiling plasterboard

    I am trying unsuccessfully to fix cracks in plasterboard ceiling with following problem. Plasterboard has been fitted on a vaulted ceiling around Velux windows. The plasterboard is 12.5mm and the joints are unfortunately at the corners of the window making it a weak point. As a result, plaster...
  5. J

    Cracks in ceiling plasterboard

    I am trying unsuccessfully to fix cracks in plasterboard ceiling with following problem. Plasterboard has been fitted on a vaulted ceiling around Velux windows. The plasterboard is 12.5mm and the joints are unfortunately at the corners of the window making it a weak point. As a result, plaster...
  6. J

    Filling in a wall chase

    Hi, I had couple of chases on aerated block (Celcon) I was going to fill in. Wall is sand & cement with thistle multifinish top coat. They are not big chases and I thought I can do this myself :). So I got a bag of hardwall, bag of multifinish and got started. Got the chases wet with a...
  7. J

    Preparing bathroom floor for tiling

    I have 22mm floorboards over joists in bathroom, all in very good conditions with very little deflection. I am looking at tiling the bathroom floor with natural stone tiles and having electric UFH in as well. Would it be ok to overboard floor with 6mm tile backing boards and then tile on top of...
  8. J

    System cleaner on new boiler install

    Had plumber doing the boiler & brand new central heating - new pipework + new radiators. Done a good job and used X100 inhibitor but no system cleaner - plumber said as its a new install you don't need any sort of system cleaner - just a quick flush out with hot water is ok. In fact not only...
  9. J

    Cleaning a new CH system

    I just finished installing a new CH system throughout the house. I've pressure tested pipework and happy that this works. What I want to do next to clean the system out as it'll be few months before boiler is installed and its commissioned. There is flux on the inside of the pipes and bits...
  10. J

    Are all copper pipes made the same

    I've been pricing some 22mm and 15mm copper pipes from various plumbers and builder's merchant and there is surprising variation in prices (almost 50% difference between cheapest and most expensive). Is there any correlation to quality or should I just go for cheapest price? They are all BS...
  11. J

    Advice on brushes and rollers

    I am planning to spend next few weeks painting - skirtings, architraves, walls, ceilings etc. Its all new plaster and new wood. I haven't really done much painting in the past and usually just used cheap paint/tools from DIY places. As I have lot to do, I wanted to get good brushes and rollers...
  12. J

    UFH Damaged pipes

    I have had underfloor heating pipes installed in screed. Plasterer has decided to bend the pipes where they come out of screed so he can plaster behind it (He was told not to touch them) and the pipes are now deformed where he bent them. Is it best to repair them or leave as is?
  13. J

    Repointing 5mm joins with mortar gun

    I need to do some minor repointing on my house around the foundations where original mortar is crumbling. The joins are 5mm wide (and narrower in places). I was going to use a mortar gun and lime mortar. I've also found that the closest colour colour match for original mortar is actually play...
  14. J

    Pointing with lime mortar

    I am trying to repoint a wall on my house using hydraulic lime and sharp sand mix (3:1). The problem I have is trying to get the colour looking right and matching closely the original lime mortar which is very light grey (although it doesn't have to be an exact match as I'll have to repoint...
  15. J

    Joining pipes onto private sewer

    We've managed to cause some damage to clay sewer pipes connecting our drains to private drain running across our street. The main private sewer line seems fine but our bit joining onto it has collapsed at the oblique junction (encased in concrete). Due to the concrete, we can't put a flexible...
  16. J

    Angle grinder disc size

    Is it possible to user smaller 115mm or 125mm discs in the 230mm angle grinder? Reason I am asking is I want to get some smaller discs for raking out pointing and I don't want to spend money on new angle grinder for it.
  17. J

    Moving gas meter without altering Transco pipe

    I want to move my gas meter box by couple of meters to the left so its out of way. At the moment the Transco pipe (plastic inside steel tube) comes out of the ground on the external wall with meter stuck on the end of it. I am not fussed about pipe position as its not that big but I want the...
  18. J

    Soil pipe no drop

    My plumber has put a soil pipe in inside the house, going from the toilet and has made it completely level - he must have used a spirit level its that accurate :roll: Its a 2.5m run with no drop before a bend and then after the bend it has a normal drop. Is this likely to cause me problems...
  19. J

    Rising main sizing - 15mm or 22mm

    My rising main comes into the house from the cloakroom in 25mm MDPE pipe (which is brand new all the way to road). From rising main its around 5m length of pipe to the boiler with tees to 3 sinks, 3 toilets, a bath and a shower. All the tees are before pipe gets to the boiler. My plumber...
  20. J

    Door treshold height

    I am ordering a new composite backdoor and have a choice between low alu or normal pvc treshold. I would like to go for low alu treshold but once its been tiled on the inside, 22mm high treshold will only be around 7mm in height. I am not sure if that is enough or too close (especially by...
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