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vent

  1. Jock Spanners

    Central heating sucking air through vent pipe

    Evening all, I've just changed a Keston system boiler for a regular Worcestor with a pump. The customer had bought the boiler mistakenly thinking it was a like for like swap. I've added the pump and everything seemed fine but a week later he's complaining about air in the system and the F&E tank...
  2. S

    No vent pipe to F&E tank but is a vented system - need help to understand this

    While cleaning the airing cupboard I noticed the F&E vent pipe was not connected. The F&E tank water supply pipe connects direct to an air separator by the boiler. I assume air gets out of the system through this pipe via the bottom of the F&E tank. I have a vent pipe into the cold cistern from...
  3. M

    Vent pipe leak?? Lead flashing

    hi guys. I’m after advice on a vent pipe allowing water to pass through the lead? What she the best sealant or tape to reseal the lead to the vent pipe, which is plastic? Cheers guys
  4. D

    Soil Pipe Vent Question

    Hi all, In my new build I have 4 soil pipes that pop up at various walls on the ground floor. All pipes connect into a single pipe for the sewer. One pipe will connect to a toilet on the first floor and also connect to the shower and sink waste. Another will connect for kitchen water waste and...
  5. ShaunCorbs

    Feed and Vent fun :DDDDD

    does the feed and vent need to onto the flow pipework, i have a situation where is would be better if it could go on the return pipework something like below i think it does due to the vent reason for this its an 8m pump and he wont seal it
  6. Lambed84

    Conversion from open vent

    hi all. As the tag line states, a conversion from open vent to unvented. Going to use a 210ltr tank moved from airing cupboard to loft. My question is which brand do you guys recommend? Looking at reviews etc online is contradictive... Thanks in advance!
  7. Lambed84

    Conversion from open vent

    hi all. As the tag line states, a conversion from open vent to unvented. Going to use a 210ltr tank moved from airing cupboard to loft. My question is which brand do you guys recommend? Looking at reviews etc online is contradictive... Thanks in advance!
  8. M

    Soil and vent pipe query?

    Hi all. I'm struggling for inspiration on a very small bathroom. One of the issues is that the soil pipe goes straight up the middle of one of the walls. My question is, can a AAV be used on the main stack to a house? I've always thought it's a no no but I'm being told other wise. Any afvice...
  9. S

    Gravity feed system sucking air open vent

    Evening all, I have been researching what could be the reasons behind my system sucking air through the open vent on the gravity feed central heating system. What I know.... The system was installed more 30 years ago and I believe looking at the pipework/soldering of the fittings that Jack was...
  10. J

    replacement open vent boiler

    Hi I have to get a new boiler.Old one is potterton profile 60 open vent. What the best boilers to replace it.Should I stick to potterton. Many thanks Joe
  11. R

    Help designing an offset soil pipe vent

    hello, I am designing a soil pipe for a timber bungalow that I am building where the soil vent pipe needs to be offset on a gable wall away from the main soil pipe. I have put in a link to a drawing I have made with my idea. Your advice is welcomed Dropbox - plumbing layout (1).pdf Thanks
  12. S

    Bleed Value problem - not vent all air

    I have a problem with a new radiator (badly designed) where I need a bleed value that bleeds from the top instead of the middle of the value. Don't know if there is such a thing, can't find one. The issue is that the radiator has 4 upright columns that are linked at the top by a round pipe. The...
  13. B

    Is there a maximum height for a F&E vent pipe

    Hi guys, My house is a new build and cannot believe that the plumbing was done by plumbers at all, it is a disaster. Have slowly been correcting bits over the last couple of years. The vent pipe was crooked over the tank about 10cm above the water level line. I seem to remember 450mm being...
  14. Meza

    Mystery device in airing cupboard on open vent system.

    Can anyone identify this device on my heating circuit, just before the pump? I've often wondered what it does but never worked it out
  15. W

    Reusing a boiler vent pipe as a cold water pipe

    I'm having a new oil boiler and cylinder installed, upgrading from a vented system to unvented. The plumbers wanted to put in a 22mm internal pipe for the mains water, replacing the existing 15mm one, and have done this by repurposing the old boiler vent pipe, to save putting in a new pipe...
  16. L

    Is multi fuel stove without vent dangerous

    My stove has been plumbed up to a thermal store without a vent. The plumber originally had one and the system didn't work by gravity so when he put the pump on to circulate the water it must have pumped out the vent and he just cut it off and blocked it. I got another plumber to look at it who...
  17. S

    Blocked vent on trianco solid fuel boiler

    Was have a trianco trg45 boiler and one of the flueways at the back has become blocked solid. The tool provided can't shift it and it's awkward to get at. Is there a chemical or something I can use to soften up the compounded soot. Any help would be gratefully received
  18. Bogart

    Vent pipe on expansion tank.

    Have inherited a half cocked system which am now trying to sort. Attached is a photo of the setup. well part of it. Am just being certain what the 2 pipes on the top of the air seperator are.Think I am correct in saying the 22mm pipe is the vent and the 15mm pipe is the feed/expansion one. Is it...
  19. D

    Air vent into soil stack?

    Hi I've got a 100mm in-line fan to extract air from the bathroom and was hoping to use what I see as a shortcut for the outlet. There is a soil stack in the same loft space the I thought maybe I could branch into. That would save me drilling through walls OR using a vent cowl & insulated...
  20. H

    Backfeexing up combined vent and cold feed

    Hi all. Just had a quick look over a commercial heating system the report was that f and e was overflowing, customer could see got water coming back up cold feed to tank they have since shut gate valve to stop it is this a case of a blockage in pipework that if have to track down. Cheers

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