underfloor heating

  1. D

    Retrofit in-screed UFH

    I'm renovating a small 3 bed 70's semi-detached property, with ~50m2 downstairs floor area. modern double glazing, cavity wall insulation. No central heating currently, and i've opted for a Viessmann 35kW Combi (ASHP cost prohibitive, which is crazy!) I've opted to fit oversized rads upstairs...
  2. B

    Water underfloor heating - 1970s bungalow, insulation under concrete

    Hi, I need some advice on what wet UFH system to get for our renovation of a 1970s 3 bed bungalow. The house had subsidence so in the process of fixing that the floors were dug up and replaced with the following construction: hardcore base, membrane, 150mm insulation, concrete finish. We're left...
  3. M

    Underfloor Heating FastWarm vs Omnie

    Hi guys I am new to this forum, apologies if I'm posting in the wrong place. I have a question in regards to underfloor heating, I've received quotation from two places fastwarm and omnie. Which one you guys think will be better as the difference between them is about £500 in favor of fastworm...
  4. M

    UFH wiring mess

    Hi wondering if anyone can help we have 11 zones of under floor heating which are linked to 3 separate thermostats. the plumber is different to whoever laid the underfloor so he can’t figure out which actuator / wire links to which thermostat so at the moment each thermostat heats up the...
  5. I

    UFH pipe leak in uncommissioned system??

    I have an uncommissioned wet underfloor heating system in screed. Yesterday the joiner was screwing into the newly tiled floors and may have potentially screwed into a UFH pipe (on the borderline of pipes). The pressure gauge on the UFH manifold was showing around 1.5 bar and dropped to around...
  6. P

    installation of click LVT floor on a self levelling anhydrite screed - precautions

    We are having our 1990 built bungalow extended and renovated. The new 150mm concrete subfloor was laid in October. The existing floor was stripped back to the concrete subfloor. The subfloor was lined with VCL with 75mm Celotex on the new subfloor and 40mm on the existing. Underfloor...
  7. S

    Underfloor heating thumping noise

    OK, so we have recently moved into a house which has underfloor heating installed throughout and generally it works really well. The system is fed from the hot water boiler. There are two manifolds, one for upstairs and one for downstairs. Both manifolds have pump which drives the water into...
  8. SuffolkLady

    Extending shower tray over electric underfloor heating??

    Sorry, newbie here. If this should have been posted in the Electrics or Flooring section please feel free to move. The previous owners installed electric underfloor heating in our ground floor bathroom, we cannot live without it as our only other heating in our home is the log burner but the...
  9. Jayb75

    Grundfos UF pump connector weeping

    Hi. I have a Grundfos UF heating pump and it seems to be very slowly leaking around the connector over time then running down the back of the pump onto the floor. The nut looks to be about 50mm in size so was going to try nipping it up a bit with a wrench but it’s hard to get a grip with that...
  10. S

    Chipboard over wet UFH?

    Hi, Midway through refurb with some heating concerns. I’ve had UFH put in. Part of downstairs is concrete, insulation with screed over UFH. Nice and hot. However, 75% of downstairs is joisted. I was worried by builder and plumbers plans to put UFH in here. They’ve put insulation between...
  11. J

    Can you have painted floorboards with UFH?

    We have painted floorboards throughout our victorian terraced house. We are planning an extension which will make the back of the house a very large open plan space (roughly 7m x 7m). Without much available wall space for radiators, UFH looks like the best way to heat it. I've noted that there...
  12. Iona Howard

    Help with different sub layers in kitchen floor

    Hi all, We're currently renovating a Victorian house and are struggling a little with the kitchen floor situation. As we are in a tough spot financially we cannot afford to get any trades in at the moment so please no suggestions on that or i'll cry. As you can see from the picture half of...
  13. Hammer86

    Electric underfloor heating controller - E1

    Hi all Recently moved into a new property that has electric underfloor heating in a downstairs toilet. The controller is saying E1 but can’t find out the manufacturer of the controller to see what the user guide says (seller lost the user manual!). Any ideas who makes this controller? Looks...
  14. 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...
  15. P

    Boiler Replacement?

    Hi All, I currently have an Ideal Combi 30 which serves my existing 57m2 (600 sqft) one bedroom flat and I'm going to be extending to a three bedroom 102m2 (1100 sqft) flat. The boiler will need to to serve the underfloor heating and two bathrooms and I'd be keen to know peoples thoughts on...
  16. M

    Underfloor heating causing Boiler to Shutoff

    Hi, I need bit of help with understanding a fault with my underfloor heating system. I have a Vaillant EcoTechPlus 637 system boiler. Hot water from the boiler is divided 3 ways using Honeywell 2 Port valves - Hot water to a cylinder, Radiators Upstairs and under flor heating on the ground...
  17. M

    Underfloor Heating - Multiple JG Speedfit Manifold Leaks

    Hi all, I hope you are well. I have recently moved into a property with underfloor heating. When we moved in there was no water pressure in the boiler and we noticed it only took a few weeks after filling up to drop to zero. After investigating we can see the JG Manifold is leaking in several...
  18. B

    Programming ideas for central heating

    Afternoon all, Looking for ideas/ suggestions on programming my central heating. We have a relatively large house with only 2 of us in it most of the time, heating installed is as follows. Downstairs ( hall, living room, open plan Kitchen/ dinning room and family room, WC and i utility all...
  19. oursurveysaid

    UFH in Cupboard Under Stairs?

    I have a fully operational 2-zone wet UFH system in the ground floor of my house. Suspended floor with PIR boards between joists, pipe laid on top in a S&C biscuit screed. Builder ran the flow and return for one of the zones under the joists of the cupboard under the stairs. The stairs go...
  20. Rob broom

    Underfloor heating not circulating!

    Hi! Hopefully somebody will be willing to help me with this issue? I have bought and installed a underfloor heating system. I have followed all of the instructions on installing and priming it and I am satisfied that I have done a good job! however, the system does not seam to circulate! I...
Top