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kettling

Kettling (also known as containment or corralling) is a police tactic for controlling large crowds during demonstrations or protests. It involves the formation of large cordons of police officers who then move to contain a crowd within a limited area. Protesters either leave through an exit controlled by the police, leave through an uncontrolled gap in the cordons, or are contained, prevented from leaving, and arrested.
The tactic has proved controversial, in part because it has resulted in the detention of ordinary bystanders as well as protesters. In March 2012 kettling was ruled lawful by the European Court of Human Rights following a legal challenge.

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  1. R

    Boiler kittling again after 2 yrs of fixing.

    A bit of history first. 2 yrs ago visited a grant boiler with boiler and pipework kettling. I added SentX200 noise reducer. It is standard open vented system S plan Also found there was no bypass and this was an external boiler with frost stat so boiler would start with no valves open...
  2. D

    Triton shower heater kettling query

    Hi Guys Im on my third T100XR in quick sucession. The water heaters start kettling, making a banging noise. This happens after about 12 to 18 months of domestic use. Triton say they have never heard of the issue, probably as they would. We are in a soft water area, mains pressure is good, and...
  3. nick_a_louse

    Air getting into upstairs radiators. Possibly caused by kettling?

    I need some help from the internet before I waste any more time and money trying to fix air getting in to my central heating! Looking for advise on what to do next, as the 3 plumbers I've used so far haven't been much use. Down in East London, near Romford for what it's worth! Issue summary...
  4. B

    Glow Worm Fuelsaver 40B Mk2 Heat Exchanger Kettling

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    • brian_mk
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  5. S

    Why is my Worcester Bosch 24i making this noise?

    Hello All. I have a Worcester Bosch 24i RSF (NG) that until recently has been working ok (not superb, but does it’s job). What is happening is there is a noise that I can only describe (through my years of working on cars) as, as if it is boiling and knocking maybe “kettling”. This is...
    • Scott Hanks
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    • Forum: Central Heating Forum
  6. S

    Immersion Heater Overheating & Kettling

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  7. T

    Radiator banging / clicking - possible reaction to F1 protector?

    Hi. We’ve had rather a lot of noise issues with our radiators since we had a new boiler installed. Our radiators other than 2 more recent ones are all over 30 years old. When the boiler got installed in the middle of 2020, after the first few days, we had several loud airlocks each day...
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    • Forum: USA
  8. H

    Kettling when only part of CH system is on?

    We live in a 2 story house that has an underfloor heating system downstairs (separated into 4 zones each controlled by its own thermostat) and the usual radiator set up upstairs, controlled by a single thermostat. We also have an unvented cylinder for storing hot water and a Logic system boiler...
  9. T

    Kettling ideal classicFF

    My boiler keeps kettling even though stat is right down, 2 plumbers have both flushed and chemically cleaned system. Could it be the pcb
  10. P

    Combi boiler kettling

    We have a Potterton Combi boiler, it was losing pressure. Engineer replaced the diverter valve and said it was corroded. It worked fine for a few days before making a loud banging noise for s few minutes which stopped when the sink taps were on. It was ok for a couple of days and then went off...
  11. S

    Boiler moved to loft, now kettling and other issues

    Hi, this is my first post, it might be a bit long because im trying to put all the info which could be relevant but i'll try to avoid waffling on too much! Anway we're having an extension built on the back of our house (or I should say have had, its pretty much finished) and during the process...
  12. fronty

    Could lack of pump overrun cause hex problems in the future?

    Just thinking... my new boiler (a Viessmann) was installed without pump overrun, apparently it's not required because it has a stainless steel heat exchanger, but when the burner cuts out I see the temperature slowly rise (as reported by the boiler) to around 95 degrees, I assume this is the...
  13. A

    myson apollo kettling

    I am selling my house so I need to get my heating system working properly, when running on high setting on the boiler it kettles but on low it doesn't but the radiators don't get hot enough, the hot water is ok though any help would be appreciated as I dont really want to change the boiler
  14. H

    Back boiler still kettling after cleaning

    I put some cleaning fluid through my system about 6 weeks ago and drained down at the weekend I ran the heating until the water was clear but after filling I still have kettling when only HW is running. As far as I’m aware the HW is heated by gravity as I cannot see a valve only the pump. Am I...
  15. B

    ADVICE - flushing, inhibitor, boiler kettling ???

    Hi All My boiler after about 7 years has startd ratting like a bag of bolts/kettle boleing when CH is on. It has NEVER had any additives or a magnetic cleaner ! I have heard of build u of limescale etc causing this and LOADS of even (even registered plumbers) of using Fernox F2 Central...
  16. N

    Boiler kettling / cutting out.

    Hi, I have a problem with my Ideal mini C28 boiler. When running the hot water the boiler kettles, cuts out and restarts. I have cover so called an engineer out, he was struggling to diagnose so went and rang a colleague, he came back and said it must be the PCB circuit board or temperature...
  17. N

    Boiler kettling / cutting out.

    Hi, I have a problem with my Ideal mini C28 boiler. When running the hot water the boiler kettles, cuts out and restarts. I have cover so called an engineer out, he was struggling to diagnose so went and rang a colleague, he came back and said it must be the PCB circuit board or temperature...
  18. N

    Boiler kettling when using hot water

    Hi, I have an Ideal mini c28 combi boiler, I have been having problems with it kettling when using hot water, I am with Scottish power repair plan he has changed the pcb circuit board and also the temp valve, this made no difference, after this he decided that it must be the heat exchanger to...
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  19. F

    Kettling

    Fairly new (2.5 years) boiler has developed what sounds like a kettling problem. I am in a soft water area. Plan to get it looked at by the professionals soon. However, as system still functioning normally - well apart from the noise, which is contained within the boiler - is it safe to leave...
  20. D

    please help boiler kettling !!!!!!!!!

    :38: My boiler has started kettling and i want to put some additive in, I have a conventional heating system with a combination cylinder in the airing cupboard with no expansion tanks in the loft this cylinder has a built in header tank and in the header tank is a small second tank which i...
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