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underfloor

  1. C

    Noisy central heating since fitting underfloor heating

    Hi, I fitted underfloor heating to my combi central heating system. Since fitting it I have a loud noise like water whooshing through the rads. I have made several changes to try and cure the problem. It seems the most likely cause is air in the system. I have drained the system several times...
    • chippymike
    • Thread
    • central central heating fitting heating noisy underfloor underfloor heating
    • Replies: 9
    • Forum: Central Heating Forum
  2. B

    Underfloor heating Gurus

    Hi all, I'm just in the middle of fitting an intergas 36/40 boiler. it's a s plan 3 zone system. regarding underfloor heating, in the boiler manual, it has the following: what does this exactly mean? Am i to fit a check valve, if so where?
  3. Stanios

    Underfloor Manifold Wiring

    Hi all, Going on a day trip to Essex tomorrow to look at underfloor heating that wont turn off, me living 80 miles away and not knowing much about underfloor wiring the customer still persisted so hopefully he will be paying for a fix rather than the diesel. I want to check wiring and manifold...
  4. M

    Underfloor heating system

    Hi, im doing a barn conversion and want to install underfloor heating downstairs and rads upstairs. The floor area is 150m2 downstairs with 8 rooms. i have priced up a few systems hep2o, speedfit, etc and some other not known brands and the price difference is ridiculous.. ranging from £1k to...
    • markyg
    • Thread
    • heating heating system system underfloor underfloor heating
    • Replies: 7
    • Forum: UK Plumbers Forums
  5. O

    What brands are recommended for multizone (water) Underfloor heating?

    There's so many uheat, prowarm, warmup, nuheat, polypipe etc I've had a quote from warmup, quite pricey but nothing soul destroying. Is there a tradesmen's favourite?
    • OnlyHumanHere
    • Thread
    • heating underfloor underfloor heating water
    • Replies: 5
    • Forum: UK Plumbers Forums
  6. I

    Hissing underfloor heating manifold

    Been looking around online for this answer but couldn't find it, can anyone help? We have an issue with our combi boiler constantly losing pressure. The plumber has been round several times to do different things but nothing has worked. I think it's one of those ' you have to see it', so I'm...
    • IslanderJo
    • Thread
    • heating underfloor underfloor heating
    • Replies: 1
    • Forum: UK Plumbers Forums
  7. R

    Wet underfloor heating help Please!!!!!!!!!!!!!

    Hi All, I have a water underfloor system that doesn't appear to be working and I am after any advice anyone is able to offer.... I can't seem to find any information about the system, it was in there when we bought the property. What temp should the stat be set on - was at 3 but goes up to...
    • rossp82
    • Thread
    • heating underfloor underfloor heating
    • Replies: 6
    • Forum: UK Plumbers Forums
  8. S

    Wet underfloor heating possible leak problem

    Hi all. ive trawled the net and this forum looking for a possible diagnosis to my problem and now hoping you can help. i have a wet ufh system install a year ago. I've used a polypipe mounted in 20mm polystyrene panels by wunda floor. Under the panels is a latex screed over a concrete floor...
  9. S

    Underfloor Heating Unexplained Temperature Drop

    Hello all, Underfloor setup is as follows: Dedicated 22mm flow from 2 port valve Dedicated 22mm Return which tees in to 28mm by cylinder. 11 Port Manifold Grundfos 25-60 Alpha 2 pump on manifold. Heatmiser setup but nothing is wired in as yet. The problem is that when the pump is off, the...
  10. the_d_o_t

    underfloor heating advice

    hello people first time i have been asked to price for a underfloor heating system so just after bit of advice. area is 40m2. how many m2 should you have to a zone? thanks Dot
  11. M

    Can anyone identify which make this underfloor heating set up is?

    Not done much underfloor before. Client emailed me saying the solenoids not working but he doesn't know who the manufacturer is. If anyone recognises it let me know so I can contact the manufacturer to see how to repair. Cheers chaps
  12. J

    Underfloor Heating

    Hi everyone, I'm a sparky so my plumbing knowledge is limited. I was asked to go out to a new underfloor heating system last week as the last 2 sparkys apparently couldnt get it working. Its a baxi combi boiler with rads upstairs and underfloor downstairs. the rads are controlled via a...
    • jstephens
    • Thread
    • heating underfloor underfloor heating
    • Replies: 19
    • Forum: UK Plumbers Forums
  13. Chalked

    Pump for underfloor manifold

    Hi sll have 4 new build houses in York that have flooded. They need me to get the heating working asap. i have fitted on the ground floor underfloor heating it's a Grunfoss ups 25-40/60. Is it a special or would any Grunfoss pump fit and work. all were under 3ft of water. I could order...
  14. J

    Why is finding a new Thermo for my underfloor heating so hard?

    We have a sizeable house with full Polypipe? underfloor heating. We have 16 thermostats (Belux WFHT-20221UK) The main control panel (timer/on/off etc) is a Horstmann ChanelPlus 37xl UFH was fitted when the house was built in 2004 (ish) We have two problems 1) The spindles in the Belux...
  15. U

    Underfloor heating 1 room not warming up

    Hi, I'm hoping somebody could offer some advice. we have an underfloor heating system in 2 rooms (seperate zones, thermostat in each) it works fine in the first room but in the second room it doesn't get warm. what is confusing is the return feed for this room is hot so water is running...
    • Unregistered
    • Thread
    • heating room underfloor underfloor heating
    • Replies: 7
    • Forum: UK Plumbers Forums
  16. M

    underfloor heating not working upstairs

    Underfloor heating not working upstairs, it's fine downstairs. -pressure gauges stay at 40 -pump working -tried restarting by pressing button on limit thermostat, but it still doesn't work any ideas to what the problem is?
  17. A

    Underfloor heating pump problem

    I have two underfloor heating sets, photo attached. Both pumps are turning fine. I opened the screw and can see them turn. The set on the right works fine. The set on the left does not work. The pipe coming out the bottom of the wilo pump does not heat up. Please help. Thanks.
    • Alan McSheehy
    • Thread
    • heating pump underfloor underfloor heating
    • Replies: 11
    • Forum: UK Plumbers Forums
  18. S

    Underfloor heating kit with Vaillant 637?

    I've just started the build of a rear house extension and would like there to be under floor heating connected to the existing Vaillant 637 system boiler with 470F weather compensator. The floor will have 100mm PIR insulation and will have 65-75mm of screed on top so I'm looking to attach/clip...
    • SomebodE
    • Thread
    • heating underfloor underfloor heating vaillant
    • Replies: 3
    • Forum: UK Plumbers Forums
  19. M

    Wet underfloor heating system

    My underfloor heating is set at 21 on the stat but the floor area feels cold to touch. I was expecting to feel a little warmth from it. I have since discovered that my builder has laid a 30sqm pack over a 50sqm area. Is this as bad as it sounds? Thanks in advance
    • MARIE1
    • Thread
    • heating heating system system underfloor underfloor heating
    • Replies: 5
    • Forum: UK Plumbers Forums
  20. F

    Need Heating Engineer experienced in Wirsbo/Uphonor Underfloor Heating SG12 area

    I am looking for a heating engineer who is experienced in Wirsbo (now Uphonor) underfloor heating systems. This was self installed over 15 years ago when I rebuilt the bungalow but the manifolds desperately need a service as the valves are sticking and not opening. I have been given a contact by...

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