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leaking

A leak is a way (usually an opening) for fluid to escape a container or fluid-containing system, such as a tank or a ship's hull, through which the contents of the container can escape or outside matter can enter the container. Leaks are usually unintended and therefore undesired. The word leak usually refers to a gradual loss; a sudden loss is usually called a spill.
The matter leaking in or out can be gas, liquid, a highly viscous paste, or even a solid such as a powdered or granular solid or other solid particles.
Sometimes the word "leak" is used in a figurative sense. For example, in a news leak secret information becomes public.
According to ASTM D7053-17, water leakage is the passage of (liquid) water through a material or system designed to prevent passage of water.

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  1. M

    Leaking drain valve on Hot water cylinder. Advise please

    Hi All, I have a leaking drain valve off the CW inlet on a Range Cylinder. Am I right in thinking I have to empty the Cylinder below the CW inlet to change the valve? To isolate cold water to the tank to prevent refill, should I just lock off the 1 stop CW inlet or all 3 red stops? Turn mains...
  2. G

    Wet room shower leaking - cheaper repair

    I'll start this by saying I'm hoping to sort this by diy / minimal professional help as I'm a very tight budget! I've got a walk-in shower in a wet room. The shower has a tiled-over former with an additional ring of tiles around it. When the shower's in use, a drip comes through into the room...
  3. B

    Will leaking cause structural instability here?

    Hi Plumbersforums, I’m not a plumber, but a tenant with a possible plumbing issue. I live in a 100+ year-old walkup, and my landlord renovates apartments without a permit. A few years ago, he installed a washer/dryer in the apartment above mine, in the closet above my closet. Two days ago, I...
  4. G

    UVgold unvented cyclinder leaking tundish - London based help required

    Just discovered water is constantly dripping out of the tundish (noticed from the overflow pipe outside dripping…) I beleive it’s coming from the prv as I appear to have a drip under that too and water dripping in tundish is cold. I’ve also discovered after finding this forum that I probably...
  5. D

    Ultra valve leaking from spindle

    Keen amatuer that I am I decided to have a go at changing the cartridge in my shower when the old one failed. I had a spare as I got one when I had the valve fitted. The cartridge is as a SC50T32 I followed the video on the Ultra technical site l and it all went smoothly but I now have a...
  6. M

    Leaking bathroom sink tap, unable to access

    I'm trying to access the inside of this tap but can't see any 'button' at the back, or similar. It's likely we'll be replacing this and the sink in a month or so but need to fix this asap of course.
  7. M

    Water Heater Leaking from back of heater

    Hi we have an Ariston new europrisma 10 UR 3KW heater and it has started to leak from a hole that is covered with tape at the back of the heater. I have tried to find something that explains what this hole is but can't find anything. The heater has been in about 3-4 years and only started...
  8. J

    Connection to Boss Pipe Leaking

    Hi all, hoping you can help me. I have a leak where the bath waste pipe connects to the boss pipe. Not sure if its a push fit or pipe weld type. In the pic, it's the lower of the 2 pipes coming from the left. What's the best solution for this please? I'd best tell you that I'm not particularly...
  9. fango7

    Internal soil pipe leaking at join

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  10. M

    Leaking water inlet to Cistern

    Hi everyone, thanks for your time reading this! We have noticed a leak appearing from the built-in toilet in our main bathroom that's spreading around our floors (great start to the year!). I've removed the panel behind the flusher and can see the water inlet attaching to the Cistern is slowly...
  11. A

    Water leaking from light fixture.

    Hello, I have a question. Is it safe to use a light fixture that had water comming through it? There was a water leak comming from a light fixture in my living room around a week ago. The amount of water that came out was about 300-400ml. It wasn't much because i turned off the water in shower...
  12. J

    Worcester Bosch 24SBi

    The flow loop connector is leaking but is now obsolete. I ordered last one available and it has gone missing in transit. Any ideas or possibly a secondhand one?
  13. L

    Leaking Stopcock - Not sure how to access

    Got a leaky stopcock/valve/tap as I'm sure many do at this time of year in the northern hemisphere (UK based). Watched a few videos on this common problem, and it seems like some PTFE and an adjustable spanner will do the trick. Only problem is, my stopcock looks nothing like others; where they...
  14. M

    Expansion Vessel leaking water - no air or water from Schrader valve?

    Hey, I've got a Grant Vortex that's leaking water from the seal around the expansion vessel - it's the round type about 50cm wide. The system is at 1.5 - 2 bar, but the expansion vessel has no air in it, and it's leaking water. No water is coming out of the Schrader valve either. The system...
  15. S

    Tank leaking & heating losing pressure - solar water heater

    Hi, We have solar panels for our hot water, so we have the main water tank in the airing cupboard, plus a small pressurised (I think) tank. The smaller one has been leaking for several years leaving rusty water on the outside & on towels in the cupboard. The system also keeps losing pressure...
  16. H

    Water softener leaking through drain (not overflow)

    Hello, as is common with most newbies I've arrived with a problem. Our water softener is about 18 months old, a BWT WS355 in an insulated outside cabinet. It's probably the third we've had - been here a very long time and always had a softener. I installed it myself, just connecting to existing...
  17. T

    Mixer tap leaking from base of spout

    Hi, I am after a bit of advice on a leaking mixer tap in the kitchen. Water is leaking from the area highlighted and varies with the amount of water pressure when using the taps, that might seem obvious, but I am not DIY minded :). I have removed the mixer and replaced both O rings on the...
  18. L

    Camray 5 leaking oil from Burner Nozzle

    Camray 5 (90A) (20 year old) oil boiler, had a noisy fan on the boiler so investigated, just a bit of dirt in the casing however, having removed the burner unit I replaced the Burner Nozzle no problem, old was very dirty and sooty. Found the boiler wouldn't fire up. SO rather than than mess...
  19. P

    Brass "Faringdon" lockshield valves leaking

    I have just tried to balance my heating system (16 cast iron rads, 3 towel rails), all the lockshields were fully open. When I try to close them down, they all leak, from a dribble to a gush. When I say all, I tried 6 and then stopped. The system was installed 9 years ago. Despite extensive...
  20. M

    Help with leaking boiler flue on baxi neta tec combi ga24?

    Hi, I've been having trouble with my boiler leaking for months. We thought we'd fixed it last winter as haven't had any trouble throughout the summer but in the last week or 2 it's leaked again, we had several people out to look at it but no one fixed it. Tonight we've had someone else look and...
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