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  1. B

    UFH Water quality and possible valve leaks

    Trying to solve a little mystery to do with minor leaks from manifold valves. Attached image shows the valve (new) and the arrow shows the point of leakage. It seems the internal seal of the moving pin has deteriorated over time. May I add that the valve is not stuck, its moving freely. Its a...
  2. N

    Underfloor heating question - Heatmiser

    Hi all I have underfloor heating downstairs and radiators, plus two towel radiators upstairs. I have a Heatmiser UH8 and the radiators are connected to the the 5th zone and the towel radiators are connected to the 8th . Now, if I remember rightly from manuals, if you want to hook up a towel...
  3. A

    UFH thermostat issue

    Hi - got an aqualec UFH system with aqualec thermostats in each room displaying the temp, with a ESI programmer in the utility room in my flat. The plumbers have just recently changed the install so that when the heating programmer is off, the thermostats go off and don't display the...
  4. S

    UFH or Skirting board heating

    Evening all, I’m looking to do a make over to our future home, I was thinking of UFH downstairs and rads upstairs. Then stumbled across skirting board heating, I realise it’s not a new thing in the world, but is to me, I’ve never fitted it or had experience with it. I wondered if you gents or...
  5. 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...
  6. 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...
    • messer
    • Thread
    • central heating system forum getting heating plumbing system turned ufh under floor heating underfloor underfloor heating warm zone
    • Replies: 10
    • Forum: Plumbing Zone
  7. 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 ufh under floor heating underfloor underfloor heating
    • Replies: 19
    • Forum: Plumbing Jobs | The Job-board
  8. T

    Whistling UFH mixer valve & cycling boiler - no ABV?

    Hi all, New to this forum but hoping you could give me a hand with some issues I'm having with my UFH. I bought a house in Nov last year that has wet UFH in a kitchen extension. It's a relatively small area with only 2 loops, total 90m piping and 2-port manifold. Manifold model is Wunda...
  9. C

    UFH Manifold Location

    Hey guys Where is the best place to have my manifold? I want 3 zones. The kitchen is 2.4 x 3.1 m The bathroom is 3.1 x 3.1 m (Directly above the kitchen) The conservatory is 2.1 x 3.1m (Directly next to the kitchen boiler wall) The kitchen is the natural choice as all 3 zones are nearby, and...
  10. 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...
  11. Michael Groves

    Care home UFH wired incorrectly

    I’m an electrician, a plumber has asked me to look at wiring in a care home for UFH with a system boiler. Only way to get it to work is run everything constantly. The wiring center was a mess, i’ve rewired and now working as expected. However, it appears to me there is an unnecessary valve...
  12. H

    UFH issues - Anyone recognise this symbol?

    Hi all, Just looking for some help. Moved into a house last year that already had UFH installed, but I have no information about the system and one of the air flow caps has spring a leak. Managed to cap it for now but trying to find a replacement part. The manifold has nothing written on it...
  13. P

    zoned system, pressure drops when cold (but goes back to normal when i manually open valve)

    Hi all! Sorry if this has been asked before but i haven't been able to find anything out there... We made our CH system zoned when I laid some UFH in the kitchen. (2 zones total: kitchen + rest of house) each zone has a Honeywell 2-port zone valve. The boiler is a Glowworm combi. All is well...
    • Paul Cochrane
    • Thread
    • cold combi drops forum glowworm manually normal plumbing pressure pressure drop system ufh valve zone zoned
    • Replies: 16
    • Forum: Plumbing Zone
  14. P

    Ufh problems temp control and radiators temp

    Hi guys Our recently installed UFH system is causing us trouble and we are struggling to get the fitter to help, problem one is we have to slowly build up the heat as the new floor is tiled but the only way to do this is by turning the boiler heating controls down as low as it goes, 30 degrees...
  15. A

    General advice -retro fitting wet UFH

    Hi all Newbie here who has joined to try and learn from your collective wealth of experience! I am a homeowner and not in the trade. You will see this from my lack of technical terms, Trying to do as much research as possible so we get it right - this is a one time opportunity and we need to...
  16. S

    UFH and skirt heat issue - Wits end

    Hi All, I have failed in my journey and I now need some advice. I have been trawling this site and the Internet for over 1.5 years to find the answer to my problem. I have reached out to three plumbers and the fitting company of the system but unable to get anyone through the door. I am a...
  17. 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...
  18. P

    High gas bill - Vaillant 637 - UFH and Alu Rads - Help

    Hi, Following a full refurbishment of an house and a new build rear extension we had a brand new heating system installed. Give you an idea of what it is: Vaillant 637 system boiler 300l Water tank Wet UFH (floor area 15x4m) in new rear extension (family area, kitchen and dining) - used all...
  19. P

    Unused UFH port...........

    Afternoon Lads and Lasses. I am setting up a 2 circuit UFH system the manifold has 3 ports. Do I blank off the spare ports or do I fit a loop and leave it turned off ? The other ports will be controlled with room stats.
  20. P

    Combined UFH and radiator system

    Hi guys, probably a silly question but in my new extension I have water UFH connected to my combi which runs the radiators in the rest of the house. Although both are controlled separately do they use the same water? What I mean by this is if I put inhibitors in a radiator will it also enter the...
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