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underfloor

  1. A

    New Member: Underfloor Heating

    Hi, Thanks for having me. I own a B&B in the far NW of Scotland in the village of Durness on the NC500 route. I have an Encompass underfloor heating system connected to a Grant oil burner and associated with a Santon Premier Plus unvented hot water system. I keep losing pressure in the hot...
  2. O

    Extending underfloor waste pipe

    Hi I currently have a downstairs toilet that drops into a waste pipe that exits through the wall and into an inspection chamber. I need to extend the underfloor waste pipe to the next room for a new kitchen. As I am digging up the floor and re-doing the bathroom is like to confirm the best...
  3. M

    Underfloor heating zone getting warm with system turned off?

    Hi Guys hope you can help, I have a wet underfloor heating system and have 6 zones, the problem I'm having is one of the zones is getting warm even though the master thermostat/controller is turned off, the pump is not being switched on so is not circulating through the system. I have an 'Ideal...
  4. D

    run pipes for underfloor heating?

    Hi I have an installation for CH half way installed (first fixed) I want to tile all the floors.. and have realised it will be too cold so I thought about laying pipes in the floors instead of having radiators and simply using the flows and returns that are already there for the radiators to...
    • Deleted member 102951
    • Thread
    • heating pipes underfloor underfloor heating
    • Replies: 19
    • Forum: UK Plumbers Forums
  5. J

    Underfloor gas piping to fireplace

    Hi all Sorry for long post. I live in a house that's about 25 years old. There is an old gas fireplace that I having professionally removed (don't worry I'm not touching anything gas related!). It's the type of fire that stands on 4 legs and neatly sits inside the fireplace area. At the back...
  6. M

    Polypipe underfloor heating

    Hi I have a polypipe multizone underfloor heating system (Gas) that stopped working a few weeks ago. It had been making some screeching noises and my hunch in that the Grundfos pump has died as the screeching has stopped - along with the heating! I may be wrong of course. The LED's on the side...
  7. C

    Wet underfloor heating

    Hey guys Ive carried out some rough calculations as to how much of my concrete floor I'll have to break out to fit a UFH system and I'm concerned about the amount of work involved and the number of skips I'll need and was wondering if I can reduce the amount of digging I need to do. I was...
  8. R

    Underfloor heating + Viessmann 222F

    hi all, Just purchased a property and looking at boilers etc. We’re going to have all of downstairs with underfloor heating (approx: 100 sq meters.) running backup rad pipes also downstairs (just in case!) 4 beds, will have an en-suite bedroom in the loft and also mid level bathroom. Rads in...
  9. M

    Fixed “2 litre per minute underfloor leak”. Thank for advice.

    a few months ago I made an enquiry re a leak in hot water system under the floor preventing central heating working. thanks for help in my last post. The solution was to divert around the leak and install new pipes. The pipes were well hidden and several visits were needed to track the pipe...
  10. S

    Underfloor Thermostat Question

    Hi Guys Hoping someone could take a quick look at the attached photos and advise if this is an OK setup. I've moved into a house that was built 20 years ago and has wet underfloor installed. I had a few issues at first with some of the zones getting too hot. The actuator heads on some of the...
  11. M

    Underfloor heating, I've done the donkey work testing, can you diagnose

    ok, so I have a underfloor heating manifold with 11 ports (see pic) Rooms struggle to warm up. Think I know why, here's what I've tested: 1. Pressure expansion tank in garage 2 bar - ok 2. Boiler working, water hot - ok 3. Thermostats calling for heat and actuators respond - ok 4. Flow: all...
  12. D

    Underfloor heating - supply & return flow temperature question

    Hi I have a wet based underfloor heating system and I've noticed that the stone floor in our kitchen isn't warming up evenly. There is one patch that is much warmer than other areas. I have noticed that when I look at the manifold the supply temperature is running at around 50 to 55 degs but...
    • dl1973
    • Thread
    • flow heating return supply underfloor underfloor heating
    • Replies: 3
    • Forum: UK Plumbers Forums
  13. R

    Help... underfloor heating

    Hi, can any one give any advice on UFH please? We have a system that goes through one pump, picture attached, and there is no way of switching the UFH off whilst the downstairs heating is on, despite it being on a separate thermostat. When I turn the thermostat for the UFH something in the...
  14. M

    Draining down unvented system including underfloor heating

    Hello folks I haven't had any experience working on radiators when it comes to replacing them on Unvented/sealed systems which include underfloor heating. My question is more geared towards when draininh down, would I need to open the 3 port valve or two port valves to drain down a system...
  15. king of pipes

    Pressure testing alpert pipe underfloor heating loops

    Evening gents what pressure do you test and leave the system pressurised to for laying of the screed? . Kop
  16. C

    Wundafloor underfloor heating

    Has anyone got any experience with their EPS 400 board system please? I’ve just laid a zone and when I got back to the manifold I cut the pipe to the right length. When I did, there was a heck of a lot of pressure built up in the 16mm pipe. Now the pressure is out of the pipe it seems the that...
  17. C

    Underfloor heating wet system

    Hi there, i have a wet underfloor heating system that is about 17 years old, it runs off of 3 manifolds around the house. In the last 4 years almost all of the actuators popped off, 3 of them seem to have burned out as there is scorching and the smell of burning when they popped off. Is this...
  18. T

    Underfloor Heating Mixer Valve not working

    Hi, I just put a couple of these in: Problem is, the mixer valve is not regulating the output reliably. eg set boiler to max (78C) and get 57C going into the UFH circuit, which is way too high - it should be regulating to 35C on MIN according to the sheet. I'm not sure if this is a problem...
  19. Z

    Underfloor heating problem

    Evening all! Just wondering if any one has had any issue with underfloor heating wiring center 'clicking' on and off, have replaced the center but the issue persists. Any help would be greatly appreciated. Thanks.
  20. king of pipes

    Wetroom Underfloor heating

    Posted this few weeks ago sorted it out today just needed a pump works a treat just needed that little push . Kop

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