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  1. C

    Boiler noise/pressure loss

    I found this forum on google as I need advice. Before I start, I know nothing about plumbing or central heating systems other than what I’ve read online. I’ll explain, basically we rent, sane place for 8 years and for quite a number of those years we’ve had to top up the boiler pressure way more...
  2. L

    PRV Multibloc Valve Strange Noise

    Having a problem with a recent installation. Fitted new unvented cylinder and boiler. Everything fine for 6 months Then I get a call from my customer reporting a water hammer issue. I attend site and fit a shock arrestor. 2 days later he phones me back... still doing it. He says when you open a...
  3. duckbert

    Grundfos MQ3-45 - Weird Noise

    I have a Grundfos MQ3-45 feeding my domestic water from a ground level tank (filled from an RO system from the well). The pump is about 4 years old, with normal-heavy household use. Today it started making a bit of an awful noise - see the attached video. I disassembled the hydraulic end of it...
  4. A

    Noise what water off

    How to stop/cure the high pitched noise bathroom sink that stops when water turned on but then starts again shortly ( time varies ) after water has been turned off. Do not know if relevant but I noticed if I turn on the cold water only, there is first a entirely different lower like noise for...
  5. S

    Any idea what this noise is?

    There is a noise coming from my neighbour's house through the party wall. Sounds like a pump of some sort. They have had a new ensuite installed recently and also a pipe from first to ground floor was leaking and they had it repaired. The noise comes and goes every couple of days. When it is on...
  6. P

    Lining old joist notches to prevent expansion noise

    Has anyone tried lining joist notches with a low friction, high temperature resistant material to prevent the bangs when a pipe expands and momentarily sticks on the joist?
  7. P

    hot water grinding noise

    Hello, when our hot water comes on in the morning and evening there is a deep grinding noise which lasts less than 5 minutes and then stops. After that, all is well. We have a combi boiler. Thanks.
  8. G

    Danfoss odd noise coming deom

    Hiya, any help would be great. I have recently moved into a new house (4 days ago) and only notice an odd noise the last 2 days. Managed to track it down and it’s coming from a the Danfoss dual units (specifically not the one by the wall). Any help with it would be great as it doesn’t sound...
  9. M

    Please help - thundering noise when I open the hot water tap

    Hello I have no experience in this industry. A few years ago our home was completely stripped apart, remodelled and extended. This required new hot and cold water pipes all over the house, a larger boiler, larger tank and so on - see attached. We wanted the water tank to go into the loft but...
  10. M

    Humming noise when hot water tap is on.

    When I turn on my hot water taps anywhere in the house, after about half a minute there is a humming noise all around the house. When I turn on the cold tap, the noise stops. Any ideas what is causing this humming noise?? Thanks Michael.
    • Michael678
    • Thread
    • hot water noise water
    • Replies: 3
    • Forum: UK Plumbers Forums
  11. T

    Humming noise constantly

    A constant ‘hum’ noise has started and I’ve traced it back to the water meter in the street in front of the house. The noise internally can be heard from the stopcock and you can feel a bit of vibration in the pipe work around the stopcock. The dials on the water meter are dead still when there...
  12. brazilianx

    Flow Noise > Can't believe taps should be this noisy!

    Hi. First time poster. I've just had a new bathroom fitted in my loft and am having an issue with noisy taps - modern mono mixer. Not water hammer, but when they are half on they make a noise that I find unacceptable, yet my plumber insists this is just the way it is. However, my other taps...
  13. C

    Heat Towel Rail Switch - Clicking Noise

    Hi there We have a heated towel rail in our bathroom - Heller brand (well the switch is anyway). Was installed about 10 years ago. We have on a timer, comes on in the morning and back again in the afternoon, overall works well. However the Heller Switch / controller has been making a...
  14. J

    Can anyone help to problem solve this noise from hot water system?

    Hot water system making a very high pitched squeal. Very loud when using the bath upstairs, not as loud in the downstairs kitchen but water pressure has dropped. My step dad (not a plumber) has changed the combination valve but no luck. Any suggestions? Thanks! Attached are videos of the noise...
  15. P

    What could be causing a noise in the house like a fog horn?

    Hi, We live in a bungalow. We are awaiting a plumber to check for water hammer but not sure if there are other things that may be causing the noises in our property. There is a booming noise about every 10 seconds followed by an echo. It starts at random times during the day and continues well...
  16. M

    Continuous noise from indirect water cylinder

    I have moved into a house with a Joule Cyclone CY200L indirect cylinder in my loft. Recently it seems to continuously be making a noise, as if it's filling up or heating up, I'm not sure which. The thermostat on the side is set to 55, when I turn it below 50 there is a click and then the noise...
  17. R

    Loud Buzzing Noise From Boiler

    I have an intermitent buzzing noise that is coming from my boiler. The sound is coming from behind the door panel in the vicinity of where the flame occurs. The only other electronics in this area is the gas control valve and the main control panel module. The sounds seems like it may be coming...
  18. G

    What is this noise? Sometimes when shower, bath or toilet is running

    Hi, Just wondering if anyone knows what the cause of this noise might be? Sometimes it is a rumble but today it was this amazingly annoying squeak!
  19. M

    Valliant ecofit sustain 618 elastic banging noise

    Hi All New here I've got a problem with our brand new ecofit sustain 618 boiler about 6 months old and seems to have developed a banging noise. Below is a link to a youtube video so you can see what it sounds like. I've had the plumbers around and they can't work out what it is its driving us...
  20. T

    Pipes making noise even when central heating is off

    We have a Grant condensing oil fired boiler in good condition and four years old. Sometimes after a period of use when the central heating has been on, we can hear a rhythmic sound from the pipes and the boiler is not firing up as it should Leave it for a while and turn up thermostat and it...

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