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underfloor

  1. M

    Underfloor heating, I've done the donkey work testing, can you diagnose

    ok, so I have a underfloor heating manifold with 11 ports (see pic) Rooms struggle to warm up. Think I know why, here's what I've tested: 1. Pressure expansion tank in garage 2 bar - ok 2. Boiler working, water hot - ok 3. Thermostats calling for heat and actuators respond - ok 4. Flow: all...
  2. D

    Underfloor heating - supply & return flow temperature question

    Hi I have a wet based underfloor heating system and I've noticed that the stone floor in our kitchen isn't warming up evenly. There is one patch that is much warmer than other areas. I have noticed that when I look at the manifold the supply temperature is running at around 50 to 55 degs but...
    • dl1973
    • Thread
    • flow heating return supply underfloor underfloor heating
    • Replies: 3
    • Forum: UK Plumbers Forums
  3. R

    Help... underfloor heating

    Hi, can any one give any advice on UFH please? We have a system that goes through one pump, picture attached, and there is no way of switching the UFH off whilst the downstairs heating is on, despite it being on a separate thermostat. When I turn the thermostat for the UFH something in the...
  4. M

    Draining down unvented system including underfloor heating

    Hello folks I haven't had any experience working on radiators when it comes to replacing them on Unvented/sealed systems which include underfloor heating. My question is more geared towards when draininh down, would I need to open the 3 port valve or two port valves to drain down a system...
  5. king of pipes

    Pressure testing alpert pipe underfloor heating loops

    Evening gents what pressure do you test and leave the system pressurised to for laying of the screed? . Kop
  6. C

    Wundafloor underfloor heating

    Has anyone got any experience with their EPS 400 board system please? I’ve just laid a zone and when I got back to the manifold I cut the pipe to the right length. When I did, there was a heck of a lot of pressure built up in the 16mm pipe. Now the pressure is out of the pipe it seems the that...
  7. C

    Underfloor heating wet system

    Hi there, i have a wet underfloor heating system that is about 17 years old, it runs off of 3 manifolds around the house. In the last 4 years almost all of the actuators popped off, 3 of them seem to have burned out as there is scorching and the smell of burning when they popped off. Is this...
  8. T

    Underfloor Heating Mixer Valve not working

    Hi, I just put a couple of these in: Problem is, the mixer valve is not regulating the output reliably. eg set boiler to max (78C) and get 57C going into the UFH circuit, which is way too high - it should be regulating to 35C on MIN according to the sheet. I'm not sure if this is a problem...
  9. Z

    Underfloor heating problem

    Evening all! Just wondering if any one has had any issue with underfloor heating wiring center 'clicking' on and off, have replaced the center but the issue persists. Any help would be greatly appreciated. Thanks.
  10. king of pipes

    Wetroom Underfloor heating

    Posted this few weeks ago sorted it out today just needed a pump works a treat just needed that little push . Kop
  11. V

    Fixing toilet to tiled floor with underfloor heating

    I have to fix a new toilet to my daughter's downstairs toilet.She has just had the floor retiled. The house has piped underfloor heating. I am just a bit concerned about screwing the pan to the floor and whether the pipes will be far enough down not to worry. The previous wc was plugged and...
  12. king of pipes

    No flow on small underfloor circuit

    Mate inherited this had a look this morning for him any obvious faults? ,should work far as I can tell heatmiser programmable stat fitted in the hall way . Kop
  13. Matt V

    Rehau underfloor heating: help?

    Hi, Just moved into a new flat. Half of the house has radiators, but the new extension has a Rehau underfloor heating system. The boiler is brand new (Vaillant ecotec), and the radiators are working fine, but no heat coming from the underfloor. The pipes at the manifold are hot, but the flow...
  14. J

    Propix Underfloor Heating. Insulation underneath?

    I have had a quote from a reputable installer for underfloor heating using the Propix system. Does anyone have experience of this? My concern is it is a suspended downstairs timber floor and the quote has not included any insulation beneath it. The Propix panels come in 4 different thicknesses...
  15. S

    Underfloor heating advice.

    Hey guys, looking for a bit of advice on underfloor heating if you don't mind?! I've done a bit of research and am still a bit confused. So i'm looking at installing wet UFH through the hallway, kitchen and rear extension that we're planning. existing bungalow floors are timber suspended...
  16. W

    Bathroom underfloor heating

    Hi, We are in the process of refitting our downstairs bathroom, the house is a long term project with all rooms requiring renovating as well as a rear extension. Eventually we would like to have underfloor heating throughout downstairs, construction is a suspended wooden floor with a large crawl...
  17. S

    Nu heat underfloor heating

    Hey guys n gals, Anybody had any dealings or fitted their ufh heating products. The customer has decided to go with these people, because the thin trays are retro fitted to the floorboards and something like a 30mm screed put on top, so the customer can tile everywhere. It’s a huge very old...
    • Sharp Point
    • Thread
    • heat heating underfloor underfloor heating
    • Replies: 16
    • Forum: UK Plumbers Forums
  18. K

    Combi boiler flow temperature with underfloor heating

    hello, I have a Worcester greenstart 440 Cdi combi boiler feeding a wet underfloor to my whole house. There’s one manifold upstairs and onedownstairs. The underfloor manifolds have a trv to make sure the flow temperature remains at 40-50 (or even lessbecause I have a laminate floor). I have...
    • kam187
    • Thread
    • boiler combi combi boiler flow heating underfloor underfloor heating
    • Replies: 20
    • Forum: Boiler Advice Forum
  19. SimonG

    Underfloor Heating Options.

    Been to look at a job this afternoon. Workshop being converted into a house. Current floor is 3" concrete on top of 3" of kingspan. Customers looking for best options. I was thinking of an overlay system to directly on top of concrete floor. Opinions?
  20. C

    Underfloor heating in new build ... does it comply with regulations?

    Hi ... I'm a keen DIYer who has installed a few systems in the past. My parents have just moved into a new flat and are finding the heating system very difficult to use. I am wondering if the below specification is sensible or even complies with the regulations ... It's a 2 bedroom flat (with 2...

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