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underfloor heating

  1. D

    Advice on faulty water underfloor heating system

    Hello all and hope everyone is well, New to the forum and would be very grateful for any expert help. I live in a small flat that has underfloor heating zones in living, bedroom and bathroom. Unfortunately, the floor no longer heats up when I activate the bedroom and living room zones...
  2. R

    control underfloor heating pump wirelessly?

    hello newbie diy-er here looking for some guidance please :) gas boiler (downstairs) was connected to underfloor heating pump and valve (attic, along with hot water storage tank), coming on with the hot water the wiring between the two has failed - cable was exposed to water leak - so now I...
  3. P

    Moving pipe work for Underfloor Heating

    I am doing some work for a client which involves moving some pipe work for the underfloor heating. They would like it moved the adjacent wall so they can install a washing machine in the cupboard. I have included a picture below of the fixtures and the walls. Question is, can it simply be moved...
  4. W

    Polypipe underfloor heating not heating up properly after a few years

    Had polypipe underfloor heating installed around 4 years ago. Flow rate used to be around 2.5 l/m now its just over 1 l/m. Tiled floor now is heat patches I have a nest connected to this also. And 3 zones come on at once in same port on slave unit I've changed the pump, diverter valve and...
  5. R

    Underfloor heating pricing

    Hi I have a 600 Meter square new build commercial job to install UH . I am mainly a domestic plumber and this job is quite big for me. And i was wondering if i could get some ideas on how to price the labour. looking around 2 weeks to complete the job with 2 men and a apprentice. any help would...
  6. K

    Underfloor Heating Pump Settings

    Hello, I have a piped underfloor heating system in the kitchen. The valve/mixer/pump unit is under the stairs. It has a number of settings and a digital display. Settings include PP1, PP2, CP1, CP2, I, II, III, Auto, a number followed by W, and what looks like a night mode setting. When I...
  7. R

    First Underfloor heating install advice and tips

    Got an underfloor heating to install and Ive done a few repairs on manifolds etc but this is the first design and install for me. Advice and tip requested. The job is a kitchen extension with under floor heating this .will be added to the existing rad heated house. The new heated areas will be...
  8. A

    Electric heater for wet underfloor heating

    Hello I've got a wet ufh heated by gas boiler. Is it possible to connect an indoor electric heat pump or heater that would fit in the utility room cupboard and be used during the day when solar panels are generating excess electricity?
  9. P

    Help with Underfloor heating problems

    I have a water underfloor heating system installed that has never really worked. There were also radiators installed around the same time that also didn’t work. So basically the entire central heating doesn’t work. There is no air gap in the water pipes, I’m convinced there are some underlying...
  10. L

    Underfloor Heating Manifold - what brand?

    Hi, I am trying to see if anyone recognises the brand of this underfloor heating manifold? I think it's about 22 years old. I'm trying to get more details to see if I can change the faulty actuator. Any suggestions welcome. Many thanks, Mark
  11. S

    underfloor heating pipe up

    I've got to pipe up an underfloor heating system, the heating manifold is under a heat only boiler and the central heating pump is fitted in a cupboard on another floor . can I pipe up the manifold direct to the boiler flow as this will be on the negative side of the pump, running a feed all the...
  12. C

    Underfloor Heating broken

    Hello Underfloor heating installed in 2019 - no probs at all. Suddenly stopped working yesterday. Thermostat is starting the pump, and lights come on. Pipe is very hot at point 1 - and cold at point 2 I have also noticed a leak at point 3 My theory is the motorised valve has broken - and...
  13. A

    Underfloor heating enquiries

    A friend wants a radiator moved but has underfloor heating in the kitchen. Do I need to drain the underfloor heating down or is it completely separate
  14. H

    Underfloor heating flow direction incorrect?

    Hi All, We're been living in a new build property for the past 2 years without any obvious heating issues. We've an underfloor heating system that's split across 4 rooms, and is driven by a Daikin ASHP. I've occasionally had to take the actuators off in order to release stuck pins after...
  15. S

    can my underfloor heating freeze and break?

    Hi, I would appreciate your opinion on this. Our heat pump broke down while we were away and the temperature in the house dropped. A plumber came out to look over the house and check for damage. A couple of taps broke but we had turned off the water so no major problems that cant be fixed...
  16. S

    Underfloor heating problem

    Hi there, I’m in a new build property, approx 6 years old and our underfloor heating system has been running fine up until now. We have underfloor heating both upstairs and down stairs, upstairs is fine, but since last week the downstairs has been a lot cooler and is not getting up to...
  17. C

    Underfloor Heating Suggestions

    We've just moved into a house where there is underfloor heating in the lounge. It's not a big lounge yet there are 2 x Heatmiser PRT-WTS controllers - one for the front and one for the back. The Heatmiser controllers no longer work (Heatmiser say they're too old and I need new ones) but they...
  18. J

    Underfloor heating is stuck on - actuator issue?

    Hello. I am here for some advice please. We have a water underfloor heating system in our house and have recently had some issues with one of the zones seeming to overheat with the heat still being sent despite the thermostat not sending demand or even being on an all. These are all new...
  19. H

    Underfloor Heating Pump goes into a blocked error (Grundfos UPM3)

    Hi all! Went to stick the underfloor heating on and the pump started making a weird noise and the first red LED and the last amber LED are on - which per instructions means that the pump is blocked and it is necessary to deblock the shaft. It has a deblocking screw in the centre of the control...
  20. A

    Insulation installation around kitchen prior to underfloor heating

    Hi everyone. A slight conundrum im hoping to get some educated advice on from people who actually know. Ill be having the whole of my downstairs dug up in order to install insulation (none present) with a 75mm screed on top. Ill then have a wet system underfloor heating installed. My...

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