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underfloor

  1. 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...
  2. 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
  3. 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...
    • Stanly
    • Thread
    • heating pipe underfloor underfloor heating
    • Replies: 3
    • Forum: Central Heating Forum
  4. 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...
  5. 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
    • Anonymous
    • Thread
    • heating underfloor underfloor heating
    • Replies: 1
    • Forum: UK Plumbers Forums
  6. 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...
  7. 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...
    • shane tracey
    • Thread
    • heating underfloor underfloor heating
    • Replies: 1
    • Forum: Central Heating Forum
  8. 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...
  9. 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...
    • capezz
    • Thread
    • heating underfloor underfloor heating
    • Replies: 11
    • Forum: Central Heating Forum
  10. 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...
  11. M

    Zone vales underfloor

    Has anyone seen this configuration before with zone valves installing under the floor in the joist area with an access trap. Not ideal I know. Is for zoning a downstairs drop system and upstairs 15mm up though the floor. Boiler in the kitchen with pipes exiting upwards from the boiler via stand...
  12. 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...
  13. 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...
  14. T

    Have added an underfloor zone to existing heating have issue with temperatures

    So I have just added an underfloor zone to a house extension. Boiler is Worcester Greenstar 30Cdi. has a Comfort II RF stat fitted that controls the radiator zone. I have added a zone valve to my new zone and used the 230V side of the control board to fire the boiler. the boiler fires fine but...
  15. S

    Wet underfloor heating adding a rad.

    Hi there, just after some advice. I have an underfloor system installed and at the time of laying I had a spare loop put in with a view to adding a conservatory. I've now changed my mind and want instead to add in a single radiator. I can see the unbroken loop protruding into the conservatory...
  16. P

    Underfloor heating, radiators and Nest

    I currently have a radiator central heating system, controlled by a Nest with OpenTherm (combi boiler, no zones/valves). I'm now getting an extension built which will be one big room from the new structure and the existing kitchen and dining room. I'd like to install underfloor heating in this...
  17. F

    Downstairs underfloor heating is dead due to electrical problem

    Hello all, I'm hoping someone can advice me on my heating problem - I seem to have lost all downstairs UFH, but the upstairs heating and hot water are fine. About our system: We have a gas boiler feeding an 5 zone UFH system downstairs, some radiators upstairs and the hot water cylinder. This...
  18. S

    Best way of wiring underfloor heating?

    Good afternoon. We have just finished our single storey extension and due to costs, I have done quite a lot of the work myself (GRP roof, kitchen fitting, joinery etc) I also laid all of our underfloor heating pipes and connected to the UFH manifold having spent hours researching both online...
  19. P

    Underfloor heating

    Can I ask for advice, would it be ok to install underfloor heating as an additional zone on an existing s-plan circuit. The plan would be to have the thermostat for the room with the underfloor heating, operating the new zone valve, and at the same time switching the underfloor pump. Would it...
  20. C

    Underfloor heating

    Just having a bit of trouble with one room underfloor heating. New build bungalow in 2016 with a Daikin Air Source heat pump. No idea what make the manifold is for our underfloor but for no apparent reason the bathroom will not come up to temperature. Being "older" we have always kept it ay...

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