under floor heating

  1. S

    UFH wet not feeling warm (Ed.)

    We are currently undergoing renovations and have a feeling our plumber has messed up our under floor heating. It goes insulation sheet the pipes through and around the joists with some sand cement I’m not sure of the technical name then he has used some sort of thick chip board. On top of this...
  2. D

    System boiler & control recommendations & advice

    I’m struggling to choose my system boiler and controls, between all of the different brands, smart thermostats and technologies, I’m confused. Physical set up is as follows: System boiler and 210l Indirect unvented gledhill hot water cylinder 12 radiators across 3 bedrooms and one bathroom, 3...
  3. D

    Is my UFH incorrectly installed?

    Hi all, First time contributer here… Hope all well and apologies if my questions are stupid…! However: I’m trying to get my head around my UFH installation - I moved into my house about a year ago (the house itself is about 14 years old) and I’ve never quite understood the UFH system/been...
  4. kminbuildinghell

    Floor disaster

    Wondering if anyone could shine some light om my flooring? Ive got amtico spacia, ontop of an electrical ufh system which has been set into a screed. Its been done by a professional but after 2 weeks the floor started bubbling, and the mat that the cables sit in has buckled in several areas of...
  5. T

    Suspect Pipe-Contact Thermostat

    Hi there Our underfloor heating system has a Tiemme thermostat strapped to the pipes near the manifold which I assume is there as a safety ‘stat. Has been working fine until recently….and now it seems to only allow the heating to come on when I turn it down to the temperature that the pipe is...
  6. R

    UFH manifold and pump assembly sizing?

    Hi all, Hope someone can answer a quick question for me. Am I right in thinking that an UFH manifold assembly and pump assembly are typically 210mm centres? So a measurement taken from the centre of the feed fitting to the centre of the return fitting should be 210mm? I've just had a Reliant...
  7. P

    Flooring on Overboard UFH Advice Req

    Hi we are having our house renovated and installing an overboard underfloor heating system (wet). we wanted to install an engineered wood herringbone system however getting massively conflicting advice on it all - from the suppliers of the underfloor heating & the floor suppliers/installers...
  8. N

    UFH which one best for wooden and concrete floor?

    Hi All, Need expert's ideas. I am extending the house, I would like to go with water-based under-floor heating. The total floor area is 85 sqm and going to use tiles on top of it. I have 50% wooden sub floor (existing floor) and 50% concrete sub floor (new extension). 1. Can someone suggest...
  9. W

    Combi or not?

    Hi Can people please offer some advice on the following choice? We are in the process of fixing our old central heating system which is open vented and has almost no hot water pressure upstairs (cylinder and boiler downstairs). Our plumber suggests sealing the system and installing a mega flow...
  10. C

    Relay for UH pump

    Hiya all, I have WB 4000 system. 2 twin channel Lyric T6's and 1 single channel T6. 1st dos zone 1 and hot water with a 2port valve each. 2nd zone 2 and a 2prot Vale. The 3rd T6 go's to UH pump no two port valve. First 3 liven up Orange (from B on receiver box) and that go's to LR on the...
  11. P

    Underfloor heating system not very efficient - what can i do

    Hi All. WE have got underfloor heating on the entire groundfloor of the house, it was done to building regulations spec that is the insulation which if i remember is 100mm celotex, and a screed of 70mm + tiling. The problem now is that it cost a fortune in gas to heat the space, there are 4...
  12. Powwob

    Leaking UFH 16mm Eurocone connector

    I’m so confused about the scope of UFH service. I’ve booked an appointment to carry out the annual underfloor heating service today. There was visible water leakage at the connections between manifold and the water pipes. When the plumber/engineer visited I requested to replace the 16mm...
  13. G

    Advice on new Smart Central Heating and UFH system

    Hi All, I am getting a new Central heating system installed and looking for advice on the best design. The heating system will consist of the following components: System Boiler. Megaflo. 2 Zone Underfloor heating. 15 Radiators. I have narrowed it to the Heatmiser Neo stat system or...
  14. A

    Airbrick position with ducting tube

    Hello all, I need some help and advice: A building control officer has recommended a builder to use 6" high timber frame joists to be used with 100mm insulation inside the frame as the proposed suspended timber frame joist of 4" high isn't strong enough for the underfloor heating, because of...
  15. christophermason

    Blown Screed Removal - Wet Underfloor Heating

    I had underfloor heating fit 18 months ago and LVT tiles. The tiles were stuck down incorrectly byu the fitter when they were supposed to be click. They have warped and need removing. Upon lifting the LVT the screed underneath is blown. How can I rectify the blown screed to fit new LVT? The new...
  16. C

    Replacing bathroom floor tiling - wet underfloor heating installed

    We're looking to redo one of our bathrooms including a full re-tile, but the house has wet underfloor heating throughout which gives me pause for thought. How is the underfloor plastic piping likely to be set below the floor tiling and is there a risk that removing the existing tiles will...
  17. C

    Underfloor heating in conservatory

    Hi folks, I have a combo boiler and radiator system across the house. I would like to put underfloor heating in my existing conservatory, I would like to have water instead of electric because of the energy saving. Theres a radiator on the wall in the house next to the conservatory. I want to...
  18. Chetski

    Quick step vinyl with underfloor heating on concrete floor

    Hi. We are wanting to lay quick step vinyl flooring (planks) on a concrete floor in our hallway(approx 10 sq meters) We are planning on having electric underfloor heating as well. Just wanted to know if underlay is required and if so does it go below or above the underfloor heating. Also for the...
  19. L

    How do I find out what type of thermostat I have

    I currently have underflooring heating, however the individual room thermostats are very old and have the bimetal side dial feature. I am wanting to see if it's possible to upgrade the thermostats to a more mordern, digital one. Although, I'm not sure the model of the exisiting thermostats. All...
  20. T

    Underfloor heating problem

    Hi All, Sorry if this has been covered but I cant see it anywhere. I have moved into a house with UFH, the heating works but the issues seems to be that there is not enough flow to heat up the rooms. the flow pipes are hot but all returns (except a small bathroom loop) are cold. I have done a...
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