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sound
In physics, sound is a vibration that propagates as an acoustic wave, through a transmission medium such as a gas, liquid or solid.
In human physiology and psychology, sound is the reception of such waves and their perception by the brain. Only acoustic waves that have frequencies lying between about 20 Hz and 20 kHz, the audio frequency range, elicit an auditory percept in humans. In air at atmospheric pressure, these represent sound waves with wavelengths of 17 meters (56 ft) to 1.7 centimetres (0.67 in). Sound waves above 20 kHz are known as ultrasound and are not audible to humans. Sound waves below 20 Hz are known as infrasound. Different animal species have varying hearing ranges.
Hi All,
Hope somebody can help :) I have a vented HW system with a pressurised Ch system but got bit of a annoying issue, when the hot water comes on all seems ok then after about 15/20 mins i started to hear a trickling noise from hw cylinder which i can also hear in the boiler. The central...
Hi everyone, I waited a while before I posted this as I wanted to see how long the issue would go on for.
There is a whistling sound from the pipes next to the bathroom but not when I use the water in my flat but whenever my neighbour does who lives below me. Everyone got disconnected from the...
I just had installed a Navien NPE-2 with built in recirculator pump. I have a dedicated return line. The check valve for the recirc is built into the unit; a spring check valve was placed on the cold line (per the manual) after which there is an expansion tank (on the cold line) in a T junction...
This is regarding the hot water, but I didn't have a clue where else to post it.
We live in a 22 year old Barratt house, we have lived here since new.
The start of last year, we had to have our hot water cylinder replaced as it started leaking (closed system).
Because it was a different make...
We moved into a house in the summer and there are two showers, one upstairs, one downstairs. We are using the downstairs one as the one upstairs needs replacing and have noticed that when you turn the shower on, after a short while there is a longish beep. It sounds like it comes from maybe the...
Hi guys, my boiler seems to be making a whistling sound after a while its on, if I tap it firmly it goes away, is this something to do with trapped air? Any ideas? My boiler is ideal logic s30. Video attached
thanks
I have a Grundfos Home Booster 3.0 in my rental property. Was installed 3 years ago, I've never been at the house since it was installed and nothing was every reported to me by tenants so don't know if this has been the case since day 1 or an issue....
..but I hear a constant slow drip from...
Hi Just removed an old toilet and fitted a new push button cistern one.
I had to re-route the supply water pipe over the waste pipe coming out of the back as i had to use a swan neck one to line up with waste hole in floor,and the water pipe didn't fit past waste pipe.
I cut the supply pipe...
Hi all, need help with my bedroom radiator. Every time the heat is on, this annoying trickling sound is coming from inside the radiator. I tried bleeding the radiator multiple times. Wont help. Attached a sound recording.
We have an evergreen treatment plant, less than 12 months old.
The toilets make a constant gurgling sound.
After eliminating all sources, finally discovered it is the aerator noise. (Turned off the aerator and noise stopped)
Was told by plumber that this is normal, as the aerator noise is...
Hi all. Our Ideal Isar combi boiler wasn't igniting, so we had a plumber come out during the week to fix it. He said it was a dirty spark electrode (at least I think that's what he called it), so he fixed it and the boiler started working again.
However, since then our water doesn't get...
Have an Ariston unvented hot water tank in airing cupboard with the red and white expansion vessels and a filler tap. As advised years ago on these forums when I hear that sound that the central heating water needs topping up I usually wait until cold so the gauge goes to zero and top up to 1...
Hi
We just had a WB Greenstar 8000 Life 30kW System installed in the loft, and every morning when the heating comes on, the very first thing the boiler does is emit a loud whooshing of water away from the boiler, which results in what sounds like a bucket of water being chucked into the...
Hi All! Was getting a sewer smell in downstairs bath (2 story house from 1975). Opened the wall to see that the vent was open to the air. Added AAV.
2 issues: 1. Now when toilet flushes, there’s a whining sound but not when sink drains. 2. Still getting a little sewer smell downstream of that...
Hi all,
I have a oil fired boiler that has one pump which feeds the radiators and the hot water cylinder on the same loop. The plumber who renewed the system about 10 years ago fitted the new cylinder and placed a manual valve on the intake pipe. He adviced that at the start of winter to close...
Hi All,
I really need some advice on a home plumbing issue please.
We have a sound when closing taps and flushing toilets that started a few months ago.
I have tried many times to empty the system by closing off the mains inlet stopcock, opening all the taps, flushing the toilets, etc...
I have had a call from a customer to say her boiler is making a popping sound and it turns out, she has not been able to hear it but her friend said its being doing it for a while. I was sent a video of the boiler, showing the flame through the window. Main flame looks good but it looks like the...
We live in a 200+ year old house and - over the past couple of days - a noise has started on a regular basis from our water pipes. It sounds like water is being drawn, but there are no taps on and no toilets are refilling, etc. It lasts for 2-3 seconds every few minutes (the interval between...
Hi
I must I think have a leak but can only hear it, it started a few weeks ago as a drip and now progressing with slow water flow gradually more pronounced. It's in a back kitchen cupboard where the gas system boiler is and a 250-litre indirect tank for hot water and one of those diaphragm...
Hi, I just got the keys to my new flat today and when I turned on the power to the boiler it instantly started kicking out a really loud clicking/banging/knocking sound. The boiler is in the loft so I went up and noticed that the pressure gauge is bouncing in time with the sound.
I've closed...
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