Condensation pipe seal

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20 Apr 2026
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Hi All. I have an external condensation pipe that was leaking in 2 different point. One seemed to be a cracked tube, the other leaking point was where the small pipe goes into the big one. I thought it was very smart to seal the leaking point. Is that correct or water should be let leaked out? I will attach some pictures
 

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One seemed to be a cracked tube,

In the photo, it looks as if there is a crack in the elbow. That needs to be repaired. Possibly, it has had water backed up in it, has frozen, and split.

the other leaking point was where the small pipe goes into the big one.

It shouldn't need to be sealed into the larger pipe, the larger pipe should be free draining. If not, you need to work out why. Possibly, it is blocked, and water backing up, explains why the elbow has split.
 
it was just leaking from somewhere on the point where the white tube goes into the black one.

What do u think it would happen in winter if i leave it like that?

How much it would cost to get this sorted?
 
What do u think it would happen in winter if i leave it like that?

How cold does it get where you live?

Consider it this way - if it’s going to freeze, it will freeze on the coldest night of the winter … which is exactly when you want the heating to be working.
 
How cold does it get where you live?

Consider it this way - if it’s going to freeze, it will freeze on the coldest night of the winter … which is exactly when you want the heating to be working.
South UK, Brighton Area. It goes below zero but i understand what u mean. Ill get it sorted soon. In summer it should be okay
 

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