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water leak

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. L

    Exterior boiler water leak

    2012 build house with an external Worcester Bosch Greenstar Camray oil boiler. Two floors of Uponor wet underfloor heating, with boiler installed externally and level with the upper floor, with gravity-fed oil. Today the underfloor heating manifold pumps started to make a racket as did the...
  2. R

    What Water Leak Detector

    Hi guys, got another query. I want to get a Water Leak Detector. I know from Amazon that they range from about £60 up to £1000. I want to be able to locate a water leak under say 4" concrete and maybe another 4" below that concrete in soil or hardcore. All help welcome
  3. W

    Help Required : Mains Water Leak Under Sink

    Hello, I am hoping someone on this forum may be able to offer me some advice. I had a big water leak this morning from the mains water supply into the house, under the sink. The leak occured before the shut off tap that i could have used to turn the water off internally and had to turn the...
  4. J

    CO Presenting As Water Leak

    I rent out a flat through a estate agents who have recently had some work done on the boiler. There was a small leak on one of the heat exchangers which turned out to be the O-rings. The estate agents have said it needed to be repaired immediately as a CO leak can present as a water leak. If...
  5. M

    Advice needed - boiler water leak

    Hi there, I have had a leaking boiler for a few weeks n ow. It is coming from one of the pipes and I wondered if someone could take a look at the photos I have taken and advise if there is anything I can do to rectify it without getting a plumber out? The arrow shows the pipe it is coming from...
  6. R

    Water Leak between meter and house?

    Hi All I have had a problem with a leaking toilet (and consequently a horrendous water bill!) but that is now fixed. But still the water meter turns - very slowly - the last of 4 red digits increments once per minute. So I presume that is 1/1000 m3 per minute? (or 1.4m3 per day!) That is still...
  7. T

    Urgent help please. Water leak

    Hello. Can anybody give me some advice please. My father wanted to get the old cylinder down from the loft so he has cut through a pipe at the bottom of the cylinder and there is water pouring out! They were told the cylinder had been drained, will it just be water still inside or could it be...
  8. J

    Slight water leak, don't know what the part is called!

    Hi There, Any idea what this is? It's next to my water tank in the airing cupboard upstairs, and seems to be leaking a little! Thanks :)
  9. T

    Water leak from Bluebird 50/70

    Hi all, noticed a small damp patch a few days ago under the boiler, now today its become a small puddle. Don`t notice any leaks on the incoming pipe joints. I see a 2006 sticker on the front, so do you reckon its on its way out??
  10. G

    Re start system after water leak in mains

    Hi I have a Valiant boiler eco TEC Plus with a Mega flow and Boss expansion tank. I am not a plumber but just a practical guy and its Christmas ! The local water supply was broken with a major pump breaking don on Chrismas Day. Large area effected with no water supply. I tried running taps but...
  11. T

    Water leak on Camray 5 boiler

    Hi every one, first post on the forum! I was just checking the pressure of my central heating system as i had noticed the radiators were taking ages to heat up. It was down at around .25 bar. I opened the tap to increase the pressure to the correct level and bled the radiators just to make sure...
  12. M

    Water Leak!

    Customer called saying his water bill had doubled in consumption in the last quarter. The water meter was going round even with everything turned off. First turned off main stopcock, meter stopped so pipe from meter to stopcock ok. Checked all toilet overflows, all ok and toilet valves in good...
  13. V

    Warm Water Leak - Worcester Greenstar Heatslave 12/18 Combi Boiler

    I am looking for some advice please on a persistent leak from our Worcester Bosch Heatslave 12/18 combi oil burner. At 7-8 years old, the unit was installed with the house when it was newly built at that time. We are the second owners of the property (here 8 months), which was not terribly well...
  14. R

    Heatline Monza - Water Leak: Aberdeen (Polish Plumbers) Gregor

    W have had a lot of trouble with this boiler. My partner bought it from B & Q (Special Offer). My partner is Polish and I suggested that she had a chat with a Polish man who was in the plumbing section. She asked him to fit the boiler and radiators. He was not qualified. He was...
  15. M

    Identifying a water leak - insulation

    Got a potential headache on my hands. I have recently had my house refurbished- we went all the way back to the joists and I saw all new central heating pipes and electrics going in - as well as the floorboards and a layer of hardboard on the upstairs floor and plywood in the bathroom go on...
  16. U

    Camray5 water leak

    Boiler pressure showing zero PSI, red locked out light illuminated. Topped up boiler to 1 on the dial, reset system, but all that happened was the water leaked out within the boiler cabinet and dial went back to zero. I know I have a water leak, but any ideas? Nick
  17. R

    Water leak in my garden. Advice please?

    Hi all, Since the heavy rains at the weekend, I have what appears to be a spring in my garden at the rear of the property. It's flow rate is continuous and has not abated since. It is clear water. Luckily it is running into my main drain approximately six feet away downhill, but a puddle and...
  18. M

    water leak from upstairs neighbours

    Hi all, There is a water leak from our upstairs neighbours to our kitchen ceiling. We've had a plumber look at both properties to assess the situation but he seemed totally uninterested to take on the job. He mentioned that it might be easier for our plasterboard ceiling to be ripped off rather...
  19. R

    Botched attempt at fixing hole in ceiling from water leak

    Hi, My shower was leaking and it caused a small hole to appear in my kitchen ceiling. I had a go at fixing it - poorly! I filled it with poly filler, sanded and painted. Some asbestos was found in my house last month (actually just the garage roof), but I'm now being paranoid where else it...
  20. K

    Halstead iheat 30c water leak

    Water is leaking from the bottom of my boiler but only when the central heating is running (rather than the hot water). It seems to be coming from the pipe that takes heated water away from the boiler into the central heating system. Should this be repairable? Any indicative costs?
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