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noise

  1. R

    High pitch noise from boiler flue

    Hi, My boiler has started making a very high pitch noise when the heating turns on. It seems to be originating from the boiler flue (see video https://bit.ly/3pYMFrI ) Is this an indication of air trapped in the system ? Do radiators need bleeding ? Or a sign of faulty boiler part ? Thanks
  2. M

    Boiler making whistling noise

    Hi Can anyone tell me the reason why my ideal logic boiler is making a whistling noise.
  3. B

    Banging noise and pressure relief

    Hi, We have an old Worcester 28i junior combi boiler which has started making some strange noises. I've recorded a video of this Video. Seems to mainly do this once a hot tap has been turned on then off, doesn't do it when its due supplying hot water to the heating system. Any ideas what is...
  4. E

    What is that noise!?

    Hello everyone, I was hoping some of you heating engineers could shed some light on an annoying noise my CH system has developed: House & Boiler: 4 year new build, Ideal Combi boiler. Serviced every year, no problems before. Problem: We don't run our heating super hot like some people but we...
  5. S

    very bad grumbling noise in water pipes at night

    hi all, can you suggest what is wrong with my water pipes they all make a loud grumbling type of noise at night at random times. my hot water and central heating is off at night and not being used. i had a plumber call round yesterday but he said he does not know what the problem is. i said i...
  6. D

    Glow worm Boiler making loud noise

    Hi my boilers only a year old and 3 times now a strange loud noise keeps happening (I’ll attach video) . Heating and hot water working fine . If I turn it on and off it goes away but if I leave it it carries on for hours. ( I know this because I thought it must have been my neighbores one night...
  7. S

    Manifold noise

    Hi, We currently have a problem with our downstairs underfloor heating. The boiler appears to be working, and the radiators upstairs are emitting heat, but the downstairs underfloor heating is cold. The manifold under the stairs is producing a strange whirring noise from the grey metal...
  8. D

    Whistling noise coming from Logic Combi 30 boiler upon ignition.

    Hello all. I had the annual service for my Logic Combi 30 boiler back in November and all was seemingly fine. However since the colder weather has really begun within the past few weeks we have had the heating on more and at a higher temperature (22.5, up to 24 degrees on occasions). As the...
  9. H

    Weird noise coming from Grundfos macerator

    Hey guys, hope you're all good My macerator is making a strange noise which is hard describe so below is a link to a video to make it easier to understand the noise. You can hear the noise at around 10 seconds! I've checked inside the tank and assessed the motor and everything seems clear. The...
  10. S

    10 year old Bosch Greenstar Junior water sloshing noise, then fault

    I noticed the boiler making some strange noises last night. It made the same noise previously during a severe winter several years ago when the condensate exhaust which runs into a sink waste outside froze. I checked the brass spiral filter and purged it and quite a lot of brown debris powder...
  11. C

    How to stop whirring noise from rad?

    Hello all, On one of my radiators when the heating is turned on it makes a noise which sounds like water rushing into the rad. This radiator has a manual lockshield valve on it. I tried to solve it by closing the other lockshield slightly as I thought this would restrict the amount of water...
  12. C

    Header tank valve replaced, noise diagnosis help!

    An easy one I’m hoping. Replaced main water header tank valve as kept getting stuck and overflowing. No probs with the replacement but since completing, the noise of water running through the pipes as it refills is very loud, so much so that we dare not flush the toilet late at night as the...
  13. T

    Sloshing noise in pipes near boiler

    I had my water cylinder to my unvented system moved from my loft to my landing cupboard a month ago. The original installed had done everything against regs so decided to get someone in and move it all. Since then I have a couple of problems. The bedroom radiator crackles and pops now and...
  14. B

    What is causing this noise?

    Hi all, can someone tell me what causes this noise from the boiler? It typically starts in the morning when the boiler has not been very active over night. It is a Worcester greenstar 15ri Apologies for bad quality sound recording. Thanks.
  15. B

    Loud knocking noise from inside wall

    Hello, We’ve had a new boiler, hot water tank, pump, T-valve and thermostats fitted and are using the original radiators without zone valves (small house). The guy that fitted it says he’s too busy to come back and take a look at the problems. If we run just the heating, after it reaches the...
  16. A

    Valiant EcoTec plus 831 strange noise!

    Evening all, My EcoTec 831 has begun to make a strange noise, the plumber suggested bearings in the fan but it's intermittent and goes when rebooting. Can go a good week without it happening and HW and CH working fine. Any Ideas? Thanks in advance. Video is attached. Arron
  17. J

    vaillant ecotec pro 28 buzzing noise issue

    Hi, it sounds like a bee, happens intermittently with rads on only, goes off when you open hw tap Video - https://drive.google.com/file/d/1eGBfQHfTCeM7s8z51rV2yhXCyRC2AppK/view?usp=sharing Thanks
  18. J

    Viessmann Vidotens 200w vibration noise

    Hi All, I had a Viessmann Vidotens 200w combi boiler installed recently and there is a vibration noise coming from the boiler for about 2 seconds if i turn on a hot water tap when central heating is on. The same noise can be heard a few seconds after a turn the tap back off. The pressure gauge...
  19. J

    Noise from Boiler when turning heating off

    I am hearing a vibrating noise coming from the boiler when its about to turn heating off. I have made a recording of the same, the noise is a bit faint at the beginning but as soon as I approach the boiler it can be heard clearly, it only lasts about 5 secs. Its not loud in the video but can be...
  20. B

    What is this boiler noise? Is it dangerous?

    In the last few days our boiler has started making a strange vibrating noise for about 10 seconds at a time every now and then (sometimes every few hours, sometimes more often). I’ve made a video – the vibrating noise begins on about 30 seconds...

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