Cooker hood/chimney outlet

[Last Plumber]

Is this 'Cooker chimney' a flexible pipe in the loft?
Like that you get from a tumble dryer?

 

[Last Plumber]

I think we need pics

I'm guessing if it's the flexible concertina pipe, it will have lay on the loft floor for yonks and filled with condensate from the cooker hood.
I have seen a few bathroom fan ducts with a good amount of water in over the years just because they have spent their lives lying across a loft.
There's my guess anyway with the little info I have read. What are your thoughts?

 

[Deleted member 101614]

Yes. It's a flexible concertina kind of pipe.

 

[Last Plumber]

Yes. It's a flexible concertina kind of pipe.

Then is my theory not likely to be what happened? As far as explaining the deluge?

 

[Last Plumber]

I suspect, as others have said, it has possibly been like that a while. I cannot see a Plumber or Heating Engineer taping those two ends together in all honesty.

 

[Deleted member 101614]

Last plumber - thank you for your theory. I'm not sure if you read my original post? The pipe from the cooker chimney was found taped, sealed to the pipe from the waste, so that each was feeding into the other.

 

[Riley]

Multiple post

 

[Riley]

Multiple post

 

[Last Plumber]

Yes I did read your OP. However, it is very difficult to imagine what you are looking at. I am picturing a concertina duct running across a loft and then being taped end to end onto the top of the soil and vent pipe.
I think this is why @Riley has mentioned photo's.

 

[Deleted member 101614]

Yes - that is what we found.

 

[Deleted member 101614]

But plumber no. 2 separated them and put them both to vent through the roof.

 

[Last Plumber]

But plumber no. 2 separated them and put them both to vent through the roof.

That does not mean that Plumber no 1 taped them together though does it?
He may not even have noticed them, or if he did, he probably just wondered why they were like that?

 

[Last Plumber]

Riley has already said this in post 16 I think.

 

[Harvest Fields]

Riley has already said this in post 16 I think.

And I think I said it before that? But I could be wrong.

 

[Deleted member 101614]

That depends. Can the two be taped together, with nothing happening?

 

[Harvest Fields]

That depends. Can the two be taped together, with nothing happening?

What do you mean?

 

[Last Plumber]

And I think I said it before that? But I could be wrong.

So you did. It's all very confusing.

 

[Last Plumber]

That depends. Can the two be taped together, with nothing happening?

Happening like what?

 

[Harvest Fields]

So you did. It's all very confusing.

That’s why I have stood back mate. All quiet random and a lot of ifs and buts

 

[Riley]

The point is if they weren’t taped together where would the two open ends go otherwise??? It’s not right but kitchen fitters are reknowned for bodges

 

[Last Plumber]

There's not much condensate out of the top of a vent pipe. I suspect as We all thought and said earlier, The build up of water in the concertina will most likely be from the cooker hood extraction fan taking warm air and water vapour up into the loft. As it enters the cooler section of pipe that is lay down, it will condense and slowly build up in the pipe over time. If someone moved that pipe, the chance are that the water within it would run down to the cooker hood and drip from there.
We (and I think I speak for all of us), do not think that the water has come up the vent pipe and run down the extraction duct. I think the Plumber 1 has maybe knocked or moved the pipe and you are putting two and two together and making 5.

 

[Last Plumber]

Hope that helps?

 

[Deleted member 101614]

Thank you for your explanation, Last Plumber.

 

[Deleted member 101614]

There's not much condensate out of the top of a vent pipe. I suspect as We all thought and said earlier, The build up of water in the concertina will most likely be from the cooker hood extraction fan taking warm air and water vapour up into the loft. As it enters the cooler section of pipe that is lay down, it will condense and slowly build up in the pipe over time. If someone moved that pipe, the chance are that the water within it would run down to the cooker hood and drip from there.
We (and I think I speak for all of us), do not think that the water has come up the vent pipe and run down the extraction duct. I think the Plumber 1 has maybe knocked or moved the pipe and you are putting two and two together and making 5.

Coming back to this - I'm not sure your explanation works. The drip started within 24 hours of the first plumber's visit, and stopped exactly when the second plumber separated the cooker hood outlet from the waste outlet, which had been taped together. (While liquid was dripping through the cooker hood, I didn't use the cooker hood - I didn't switch it on.) If it was a build-up of condensation from the extractor fan, why would it have continued dripping for 1 week and 5 days, and then stopped as soon as the outlets were put out of the roof to vent? You would think that (the vertical position of the pipe) would cause even more liquid to pour in through the cooker hood if it was a matter of accumulated condensation. In the meantime, my cooker hood and hob feel so contaminated, I haven't been able to bring myself to use them. (The cooker hood is probably not working anyway. I would need to get an electrician to test that.)