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under floor heating

Underfloor heating and cooling is a form of central heating and cooling that achieves indoor climate control for thermal comfort using hydronic or electrical heating elements embedded in a floor. Heating is achieved by conduction, radiation and convection. Use of underfloor heating dates back to the Neoglacial and Neolithic periods.

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  1. S

    Would you use this piece of software if available? Why? At what price point?

    Hi guys. I've been running an UFH installation/ repair business for 7 years now and one of my main frustrations is finding the parts for the UFH. I've got quite good at it over the years being able to recognise the manifold brand and generation by just looking at it but then I have to go through...
  2. J

    Very high water consumption

    Hi everyone, I moved into a new build three bedroom, two bathroom bungalow about 2.5 years ago. Ever since we moved in there has been an issue with the water pressure. Toward the end of last year the pressure had got worse. For instance, you could not run another tap in the house if a...
  3. D

    20 year old UFH - Upgrade?

    Hi, I have domestic water based UFH - 20 years old. House is 100 years old with 5 beds. UFH everywhere. Works okay but perhaps could be better. Top of house is coldest. I have newish worcester boiler(Greenstar 8000 life). System is on 4 different storeys, 5 manifolds and perhaps 18 loops...
  4. R

    Under floor heating manifolds

    I wonder if anyone can help me. My house has under floor heating but after having a new boiler fitted it doesn't seem to working as it should do. I wanted to get the system balanced but some of the flow meters are stuck and not all of the actuator/flow valves seem to be moving as they should. I...
  5. B

    USA Under floor heating question

    Hello. We have under floor heating fed from the combi boiler in our kitchen. It has a grundfos pump attached. We recently had a polished concrete layer added to the floor. Now the heat is struggling to come through as we sort of expected. The pump thermostat is on about 45 degrees and the pump...
  6. N

    Help with wet under floor heating temperatures

    We had a wet UFH system installed a couple of years ago. Two weeks ago we had vinyl tiles laid. The instruction from the flooring guy is to start the UFH at 5 degrees and increase by 5 degrees per day until we reach a comfortable temperature. Also, instructions from the flooring company read...
  7. J

    Leaking UFH Manifold

    Hi, we have a leak from the underfloor heating manifold. It appears to be leaking from one of the thermal actuators (please see photos). It’s leaking about a cupful every day. So far, I’ve talked to about 10 local plumbers:– Contacted original installer. The admin person kept telling me that...
  8. T

    Under floor heating system issue

    Hi. Hoping for some advice. Yesterday I did have an authorised tech round whom fitted a new control board and electrode/cable and my DUO TEC Compact+ 24 GA came back to life but things are not going as expected and unfortunately I am in Lithuania full time since lockdown and do not speak...
  9. N

    Short Cycling Boiler

    Hi, First time poster. I've been banging my head against a wall this past month on google searches and soliciting advice of a couple of plumbers as well as the boiler supplier. I got a De Dietrich 28-33kw Combi boiler installed just over a year ago, with UFH downstairs (3 zones) and radiators...
  10. sgm1986

    I Need a New boiler but what one do you recommend for.....

    Hey, this is my first post... so currently i am doing my house up and have no heating, pipes or radiators in the house, so its a blank canvas and i am almost at the stage for pipes and electrics to be fitted etc and I need to buy a new boiler but I don't know what make, model, power or type of...
  11. A

    Under Floor Heating - one of the valves sticking?

    Hi - I'm not sure what these things in the picture are called, but water flows to each room when the "float" moves down, but one is stuck. Last year a heating engineer came and unstuck the valve by tapping on it with his screwdriver head. I've tried that, but no luck - three of the floats move...
  12. V

    UFH heat starvation?

    Hello guys. I am having a number of issues with my Central Heating system. It was commissioned in July 2019 whereby the heating was not turning on (via the room stats) due to the summer weather understandbly. I only noticed these problems in the winter when my heating expectations were not...
  13. S

    Underfloor heating pump and manifold choice

    Having a load of work done at the moment, part of which is to have wet UFH installed, just looking for any thoughts around the best system to use. There seems to be lots of choice, looking for 3/4 zone system. Any thoughts greatly appreciated.
  14. M

    Location of secondary return pump and return pipe for underfloor heating.

    I am fitting a secondary return on a system, tank will be in the loft. All the pipework goes up to the loft at the back of a cupboard, I would like the pump to go on the return pipe in here so it is easily accessable for maintenance. My collegue says he thinks it should go to as near to the tank...
  15. 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...
  16. 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...
  17. 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...
  18. 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...
  19. 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...
  20. D

    Copper coils, ok for under floor heating runs?

    I need a bit of info on copper coiled pipe, I'm about to run in new radiator pipes downstairs in my house, it's got raised wooden floors with about 12" to the concrete slab, it needs to be copper or rodent proof as I live in the woods and we have mice around! Can the rolls of copper coils be...
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