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floor

  1. M

    Boiler on Ground floor not sending hot water to Cylinder (coil) on 1st floor

    Hi All bit lost on an issue with an old back boiler - Open Vented. Hot water circuit on Gravity (right side) and Central Heating pumped (left side) Glow-worm Boiler on Ground floor not sending hot water to Cylinder (coil) on 1st floor. Boiler stat cuts out boiler on detecting over-boil...
  2. T

    Mystery green marks on bathroom floor

    Hello to all forum members! Hope that you could share some of your experience and help me solve a little mystery. Perhaps, the title gave you some hints already, but here's what I have found on my bathroom floor after going away for a week: So I had a look underneath and here's what I could...
  3. P

    Adding floor probe cutoff to UFH to protect vinyl

    Hi I'm a non-pro about to get UFH installed, and was looking to use Evohome. The issue is Evohome doesn't support floor probes and I was looking to use vinyl flooring. I'm looking for ideas of how I might build in a secondary fail safe to turn off the UFH pump or otherwise turn off the UFH if...
  4. V

    Holes in floor joists for waste pipes

    If you have to run a basin or shower waste perpendicular to the joists I understand that you need to make the hole in the middle of the joists.My question is how big a hole can you make without affecting the structural integrity of the joist and how can you put a fall on the pipe if you have to...
  5. D

    Pipe under screed floor.

    I am not a plumber. My friend had a conservatory built and they extended her central heating but buried the flow and return pipe under the floor. There is only one flow and return pipe feeding 2 radiators so I assume they have split the pipes under the screed to feed both rads.My understanding...
  6. 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...
  7. M

    Should UFH be nearly scalding at floor with Vinyl (LVT)?

    Hi All. I'm pretty sure the answer to the above is "no". I've recently had UFH installed, with a mixture of porcelain (kitchen) and LVT (lounge). I have a mixture of neoStat wall stats but no floor probes. (I was never advised to get such). The UFH in lounge is sitting in Polypipe Boards and...
  8. Jock Spanners

    Myson Marathon 600B floor standing boiler gas leak

    Evening all, I've just traced a gas leak to a Myson Marathon 600B. The gas appears to be escaping through the flue. The boiler's a bit before my time but I know the valve was replaced fairly recently. Has anyone any idea how to fix it? Thanks, Jock
  9. Inverness

    Capping a gas pipe under a concrete flase floor

    hi guys, I went to a job today and removed a gas fire and solider a blank on the gas pipe. It was a false floor concrete with battens with finished timber floor. is this classed as a unventilated void? I've looked at my gas book and it only classes apartments to have added ventilation in voids...
  10. M

    Combi boilers pressure relief height from floor

    Is there a regulation saying a combi boilers pressure relief pipe that exits externally has to be within a certain distance from the floor?
  11. D

    Water coming through old heating pipes in floor

    Hello, I was hoping that I could get some advice. I have previously had a large leak somewhere in my central heating system which we could not locate. As such we have fitted new pipes to the whole system, dropping them from the ceiling to the downstairs. The old pipes that run under the...
  12. M

    Radiator back boxes on first floor

    I have seen and worked with radiator back boxes on the ground floor were pipe are dropped in the middle of the rad. and through a back box and looped around to go back to the manifold. However how is it done on the first floor were pipe are coming to the back box from below? Do they go up the...
  13. M

    Gas pipe in insulation layer above precast beam and block floor

    When installing a gas pipe in the insulation layer below the chipboard flooring. And above the precast beam and block floor. Do most tend to run the gas pipe underneath the insulation resting on the damp course (in coated copper). Or notch out on the top of the insulation and run the pipe in...
  14. D

    Wet under floor heating

    ok so I am putting wet underfloor heating in my kitchen, it is 7m x 3m I have dug up the floor and bought 120mm insulation boards ready, my question is how thick must the concrete slab be and how thick does the top screed need to be so I know exactly how far down I need to go? Also what’s the...
  15. P

    washing machine waste is a hole in floor

    was replumbing my mums new washing machine in for her - lives in a wee old peoples fold and notices the standpipe isn't there just a hole in the floor and the hose sorta pushed into it (now at least I know where the awful smell is coming from) is there any way to put a standpipe in or an adapter...
  16. B

    Wirsbo Under floor heating system, downstairs totally cold :(

    My system is split into upstairs and downstairs. The upstairs is working fine but the downstairs is off. There is no hot water in any of the pipes in the downstairs system, the pump is on/warm and there are gurgling noises, but all pipes are cold even under the tap (like a radiator tap) Any...
  17. D

    UFH mixing valve not restricting heat to floor

    Hi, I've installed a 2 zone kit that uses an RWC mixing valve, Thermomix with hot in, return to boiler and heat out to Ufh pump and return from floor manifold. From underfloor heating store but basically the same as a jug speedfit Ufh kit. I thought I had a duff thermostat inside the reliance...
  18. gingalig

    PRV terminating over alley second floor

    Hi , Here again, looking for a little advice, I have my probationary Gas Safe interview in the morning and the inspector is meeting me at a property for a service on a worchester 24 cdi, I went to have a brief look today and saw that the PRV is terminating above the communal alleyway, the...
  19. M

    Under floor heating, radiator replacement

    Hello, im new to the forum and tried to search for a relevant thread, however only error message! So forgive me starting a new thread! I have a heating system utilising microbore and associated manifolds. I would like to replace one radiator with a single zone underfloor heating system. Can this...
  20. S

    Heating ground floor not turning on

    My ground floor heating system not turning on and up stair heating and hot water is working ok. Please find the attached my system.

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