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vent

  1. C

    Can't find UFH manifold vent/drain valve

    Hi all, I can't locate the vent/drain valve on this manifold. My manifold resembles the "UFH Manifold RUB-RT1tm4" model on this webpage: https://www.thermo-floor.co.uk/underfloor-heating-manifolds.html I an intending to replace on the the actuator pin-valves and I think I need to drain (or at...
  2. T

    Water flowing through vent pipe over F&E tank.

    I recently took off an end stop on the vent/expansion pipe over the heating header tank. I now know why it was capped off. When the 2 way valve opens to heat the hot water, water pours out of the vent pipe. I had a heating engineer out, he said get rid, open vented systems are now obsolete...
  3. K

    vent pipe installation

    I am building a mother in law sweet i am having some trouble designing her septic and with decent venting. im attaching a basic diagram of her floor plan and would like to hear some ideas of how i need to vent this the ceiling will be cathedral so that will make this more difficult thank you
  4. N

    Two new open vent boilers, problems ever since.

    Hi all, So I re done my house 2/3 years ago and had all my radiators taken out on the lower floor, changed to wet underfloor instead. 2 zones. 2 manifolds. As I was doing quite a bit, I’d decided to exchange the two 15 year old boilers with a pair of new ones. Vitodens 100w 35kw open vent...
  5. J

    Vent pipe - how and where should it be positioned

    Hi, I would be grateful for any advice regarding regulations on installing vent pipe. My landlord has recently hired a handy man who installed a vent pipe for him but he installed it in a way that is it placed on the outside wall, only 50cm under our window (1st floor window). It feels to me...
  6. M

    Cylinder feed and vent

    Have a ground floor hot water cylinder, want to boost hot flow to upstairs bath with inline booster pump. Can't get to pipework near bath, so wondering if I create a new dedicated vent tee'd into pipe just after it leaves the cylinder, then install pump after new vent, and cap off old vent at...
  7. C

    Soil Vent Connection

    I have to connect the UPVC pipe to the ground. There's a connection of sorts there already. The rubber gasket there has perished but I don't seem to easily find a replacement. Even if I did, the old UPVC pipe I have doesn't fit tightly in there and presumably never did. My question is, does...
  8. bfalp1

    Is a soil vent mandatory?

    My builder has removed the soil vent pipe stating that an AAV would suffice. As I have had some troubles with them I have started to question what they say so I have done a bit of digging. From the internet I don't seem to find a clear answer about this. Could you please clarify this for me? Do...
  9. J

    Vent pipe size for vented cylinder installed in 2005-6

    Hey, having searched this forum and last building regs (2000) from around that time... Any idea what the correct size is for a vent pipe for a vented hot water cylinder, gravity fed? I.e. the one that is continuously rising back up to the cold water feed tank for the cylinder? Have discovered...
  10. A

    Rf6030 gas leak on rf6030 vent

    Hi i have got a leak on the vent out let on a rf6030 vale can this be fixed or a new valve reqiured
  11. G

    SP140B vent pipe adaptor fitting

    Hi, ive recently purchased a Sp140b adaptor for cement pipe to 110mm plastic. When I've looked the vanes end is fine to put into cement pipe but where it has described the other end as push fit I was expecting to see some kind of o ring or seal for 110mm plastic pipe to slot into. Would I be...
  12. C

    Kitchen sink drains slow with Oateys sure vent

    Okay I'm not a plumber and I have those aav Oateys sure vent 20 DFUs and my kitchen won't drain hardly at all now and when I remove it u can hear air rushing in an the water flows great,, now my kitchen an laundry room are close together and above the laundry I see a roof vent, idk what steps to...
  13. K

    Air Admittance Valve or Roof vent?

    Doing a split level custom build. The plumber wants to install AAV's on some of the lower level lines, a bathroom and a bar sink. There is a way to vent them normally through the roof, it's just more work for him. Which is better? The floor above hasn't been cast and a vent can come up through...
  14. A

    Switching from Gravity to fully pumped - open vent position?

    Hi, Our gravity HW tank split and without a long delay the only one we could get was a fully pumped tank. Fairly easy replumb to get the tank in, however on all diagrams I've looked at, the fully pumped system has the open vent coming off between the boiler and the pump, whereas in our current...
  15. dave100

    Can I use 90 degree bends in dry soil vent?

    TL/DR: Can I have a bend of 90 degrees in the dry section of a 4-inch soil vent? Hi. I am renovating a small bathroom. There is an awkward part of the wall where the builders boxed off a large section just to conceal the 4-inch soil vent. I realise, of course, that the soil vent is essential to...
  16. T

    sewer smell coming through heat vent

    Everytime my heat comes on I get a sewer smell coming through the air vents.
  17. M

    Vent from washing machine and double vanity

    Hey, just looking for a little feedback on the mock up I drew. I’m adding a washing machine and a double vanity to a 2” pipe I’ll have mounted into my main drain stack. For the vent off of the vanity, is it necessary? I’ve seen an “all hub 90” that would give me pipe to both vanities, but...
    • Marc m
    • Thread
    • machine vent washing washing machine
    • Replies: 0
    • Forum: UK Plumbers Forums
  18. S

    Open vent Magnacleanse flushing

    Hi all. I have an open vented system with magnaclean filter installed at the return pipe close to boiler. I understand how the magnacleanse cleaning process works for my system but am wondering about flushing it out afterwards. Adey recommend connecting mains pressure with a pressure gauge at...
  19. C

    UFH manifold air vent dribbling

    Having recently replaced one of the flowmeters on our UFH manifold, why would water slowly dribble out of the air vent?
  20. A

    Central heating refill valve and pressure relief vent

    Hi all, hoping you can advise on a couple of problems I need to resolve. Please see photo 1. Not sure why there are two valves (in series) to operate to feed water into the system and raise pressure, but the lower (first) valve leaks water while open. Initially a small dribble, but most...

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