Why Plumbing Pipes Make Noise and How To Stop the Hammering or Whistling Sound
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- čas přidán 13. 02. 2020
- Why Plumbing Pipes make Noise and how to stop it?
Pipes vibration, Humming sound, Banging, Whistling and other noises.
Do you have Pipes that Vibrate, Bang or Whistle?
In this Video I’m going to explain to you all about hammering pipes within the wall, whistling noises, noisy toilets and how to stop them.
Please don’t forget to support my channel by subscribing and pressing the like button.
You can also leave me a comment if you have any related questions and I will try my best to answer them. Back to the topic, You should know that there are many different reasons behind a noisy pipe. But lets start with pipes which Bang or hammer within the walls.
In this case you need to run a test and figure out, when, exactly the hammering happens!
Does it happen only when you turn a tap off? Or it happens even when the water flows?
If it happens only when you turn the tap off, then it means the tap shuts very fast and forces the water to come to a sudden stop. The water does not compress and it has a lot of energy. Therefore if the tap closes itself fast then the water has nowhere to go and will cause the pipes to vibrate. Dishwashers are good examples for this case. Now let’s take a look at the best solution for it. Installing a Hammer-arrestor or anti-hammer device on your pipes is usually the best approach and it will act as a shock absorber, there are different types of anti-hammer devices available in the market. But let me show you, how I make one my self or how a plumber makes one. This is a piece of pipe that I have here, and let’s imagine that this is a supply line for a shower. All I need to do is to cut the pipe and make a branch and then cap the branch off. What this branch does, is to provide extra space for the water to travel. The air will be trapped in this branch and we all know that the air can compress. Therefore it creates an extra space for the water to escape. Clamping the pipes to studs within the walls might also stop pipes from hammering in some cases but in this case installing anti-hammer device is much easier. You might have noticed that the pipes whistle while the water flows, which in this case the Mineral build ups like calcium from the hard water might be the cause of whistling sound. Which in this case, you need to find out which tap is causing the whistling and replace the washers or the cartridge. The other scenario is that the whistling happens right after you flush a toilet, which in this case you need to figure out if the sound is coming from the filler valve inside the toilet tank or the valve on the supply line. And then you need to replace either the shut off valve or the toilet filler valve. What makes troubleshooting complicated is when there are multiple causes for the noisy pipes. Which in this case I recommend to call a plumber in you area for help.
also In this video you can find solution for Plumbing pipes make laud noise the first part of the video talks about Pipes make noise behind the wall and if your issue is with Noisy pipes in other parts of the house then you can escape the video to the part that concern your issue. Usually Pipes hammering if they are not strapped or clamped properly behind the wall which i will discus further in my future videos. How to fix noisy pipes becomes tricky if you have never dealt with such a problem before but by watching this video you can at least get the idea of how and Why pipes make noise. some time it can be tricky even for the experienced plumbers to Stop laud noisy pipes. However, a well experienced plumber should always be able to come up with a solution with any kind of Plumbing pipe noises. for example in some cases Pipes make noise when water is turned on and in some other cases pipes make noise only when you turn the tap off. in this video i explain why your Pipes are making noise and i even show you about Pipes make noise after flushing toilet. most common issue discussed in this video is about Pipes make noise when water is running and I show you how to deal with such situation. if you pay attention to the part of the video when i turn the tap of the you notice that in my case Pipes make a knocking sound and i could easily fix it by installing a hammer arrestor device. a friend of mine called me today and told me that he had Pipes make noise when washer is on, and he fixed them by just creating a branch for the pipe to work as a shock absorber and this is how I got the idea of making this video but your case might be different and you might have Pipes make squeaking noise or Shaking pipes but I promise you that this method works for any cases. which includes Vibrating pipes and water hammer issue.
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Thank you so much for your analysis regarding water pipe noises. You have saved me a ton of money in hiring a plumber. I followed your instructions and in minutes, problem solved.
My hot water heater went out and turned the water off to it and started hearing a whistling sound. Everyone I asked didn't know what it was and my son in laws advice didn't work. After watching this video I opened the lid on the toilet and the noise was there. I messed with the top of the flush thing and that stopped the noise. Need to replace it but I can do that. We suffered with that whistling for at least 2 months. Your advice was spot on, I cannot thank you enough!
Thank you for taking your time to explain things in a "user friendly" way.
excellent video, very informative and well articulated
Excellent tip and love the explanation.
Thank you bro, happy holidays.
Very helpful. Thank you!
Glad it was helpful!
Excellent information for any home owner ! Great information for diagnosing the problem and solutions required to make the necessary repairs.... Missing you on your Goldwing Blogs too......
Glad you liked it Robert, Goldwing videos coming soon.
Very clear and good advise thanks
My pipes bang somewhat after the installation of Oates brand hammer arrestees at the new washer. Not sure if the arrestors were installed properly. They are in a horizontal or inclined direction. Does it matter?
Great informative video
Thank you
Excellent advise
Great job mate
Thank you brother
Do not make a hammer arrester the way he said. The air in the new branch will get absorbed by the water over time. The new branch will become full of water so the hammer arrester effect will go away and the new capped off branch will be full of stagnant water.
My issue in more constant under certain temperature for a shower - can you do this with PEX as well?
Yes you can do the same thing with the pex pipe, but I think you need to replace the shower cartridge based on what you said. Replace the cartridge first and I believe it resolves your problem!
Thank you❤
Our shower has a continuous banging when we reach a certain temperature for hot water. it does not happen for cold water. I'm not sure this is what is normally called pipe banging. Any ideas how to prevent? Thank you
This has started with my shower also.
Do you have just the one shower? If you have more than one, is it only happening in the one or all of them?
Thanks for the video, In my home there is heavy noise when any one tap (upstairs or downstairs) is opened, and it stops immediately when one another tap is opened. any thoughts what could be the cause? thanks
You don’t need an hour lecture on this. Turn off the main water source. Turn on all the faucets in your house. Wait for 5 minutes to release the air trapped. Then turn off all the faucets. Turn the water back slowly until the desired pressure. It’s fixed. THAT SIMPLE.
Not to come off like a smart ass but I'm curious why set out to watch videos on something your knowledgeable at? Why not make a video? Some people go in depth so people understand what's going on not just how to fix it. I can change a light bulb but I find it amazing to see the process of making and how they work.
If it's trapped air what would cause it not to bleed out while water is being used? Is it the (0) atom from the water replenishing the air back into the lines? What if anything pushes out the excess air when the water is turned off or only allows air out not in . At that point the air is stagnant. Do I need to treat the lines afterwards? Also my desired pressure is a lot. So what would you recommend to do and what happens if I tried exactly what you explained numerous times and still get the same outcome? Is there a time for certain square footage of a home or quantity of faucets? Do I allow longer time to allow the air to escape? I have questions I need answers and seeing as you are clearly the professional here please tell me or even better make a how to video please and thank you..
Worked for me simple fix
I was going crazy trying to fix this. Tried new heads, replaced the spindles and this is the only thing that worked. Thanks buddy!
Thank you 👍👍
Thank you
Nice sir
Thank you very much
Flushing the toilet, running a hot or cold tap in either the kitchen or bathroom, when the washing machine is filling, in all of these cases I get a sound like someone is blowing through a trombone...it's in the key of D, not that the pitch is relevant 🤣
Mine plays E Flat.
@@frankblunt2482 So just a semi-tone above mine, then. I actually found and resolved my problem, it was caused by a very slightly leaking valve in one of the kitchen taps, a thick smear of divers' silicone grease on the rubber seal fixed it.
@@GoneToHelenBach Nice.
The hammering comes on when the water is turned on in my bathroom. It happens either when the sink tap is on, the shower is running, or the toilet tank is filling. The hammering stops shortly after the water is turned off.
you need to test the cartridge for the sink tap, shower, filler valve of the toilet and shut-off valve of the toilet. test them one by one and replace them if needed. hammer arrestor is the final solution!
My house inlet pipe rattles when flushing or shower running. Changed the house filter, but didn't really do anything. Wondering if the pressure regulator is messing up.
Hello
I enjoyed your video.
I have a a Fleck 5600 with a mechanical valve about 6 years old.
When the water softener by pass is on, we loose water pressure in our house. When the by pass is off, we have full water pressure in our house.
However, when we turn on the water in the house we hear some loud noises. Seems like the noise come from the pipes from the water softener to the house.
I clean the tank, put WaterBoss - Universal water softener cleaner and ran manually regenerate. Still, when turning on a faucet inside the house, I hear like a fog horn noise. Actuallu, the noise stays even without turning a facet on.
Any advice ? and thanks for any ideas. Thank you,
Gabe
Food for thought.
Thanks you
That infamous foghorn sound!
Yes, that’s what my kitchen sink sounds like when it is running. It only started a week ago..
Hi, thanks for this informative video. I have a heating pipe running the length of my basement apartment and it bangs/rattles. The pipe is exposed, hanging about a foot below the celling. I rent the apartment, so I have limited options in resolving this problem. My plan is to insulate the pipe in an effort to reduce the noise. Do you have any advice? Thanks
I have the SAME ISSUE AND IM ABOUT READY TO RIP THE PIPES APART MYSELF 🤬🤬🤬
It sounds like the pipe is expanding from the hot water entering it. It could be that the supports are too tight and don't let the pipe expand in diameter and in length. I've had some success in making the openings around the pipe a little bigger or using a tough non-metallic pad (maybe a resilient tough rubber) between the pipe and its supports. Hope it helps.
When the water is turned on( like kitchen, shower room), no matter cold water or hot water, we hear the pipe in one of our restrooms releasing high- pitched whistling noise, but it stops immediately when the water is turned off. The noise spot is right above the basement where the heater is at. Any idea? Thank you in advance! And thank you for posting this video.
Did u find what it was
This video is awesome !! I own an apartment building and there is a knocking noise in my walls (pipes), I have a heated water system. Any advice ??? Btw Thank you for the helpful videos !!!
Did you ever find out??? I have this exact problem
@@rosemorrison4265 Yes , two things !
1. The pipes would expand and knock in areas that they didn't have enough space to "move", floor openings were to small etc....
2. Too much pressure caused them to rattle, I had to adjust the pressure from the central.
so, what should you do if it happens when the water is being turned ON?
I have the same issue! It is loud in the other side of wall.
hi, my knocking only happens when I first turn on kitchen water. Subsequent turn on will not have knocking, wait for 5 min, turn water on will have knocking again. Will turn off main valve and drain highest and lowest point fix this problem? thanks.
In Quebec the old way of creating these hammer arestor's as you shown in this video is not to code. The use of hammer arestor's with valves to absorb the water are to be used.
Good To Know Chris, Thanks.
Nice
I started to hear high pitch whistling coming from the supply line to the toilet a few weeks ago. Now the same sound is coming from the outside supply line for the water hose. Would you have any idea what is causing this.
i'm having the same problem, did you find out how to fix the problem? thank you
Very Informative and well done ...
Thank you Paul.
Hi, my bathtub make a noise like a machine running below it, when hot water is called in. No noise for cold water, it only starts when hot water is called in. Do you know what's wrong?
Thanks
Turn the main water supply valve off from the basement, drain the water by opening a tap in the basement and leave it on while turning another tap on, on the main floor and second floor, let the water drain completely and then turn the taps off and turn the main supply valve on, try the shower and let me know if it still makes noise!
Heard rumbling this morning from pipes in rest room. I turned off the main supply water source and it stopped. It is 13 degrees where I'm at. And it's Christmas day 630 am. I'm trying to wait til it gets warmer today before I turn on the water supply source again to see if the pipes are still making the noise.
Can a water pump used for faucets and toilet make noise when it is unplugged from the electrical circuit?
Pipes around the water meter in my basement make pulsating knocking noise when water runs and the noise gets louder when 2 or more faucets run water. Any idea?
We have a problem, when we use the shower the pipes in the loft sound like bagpipes! This only seems to be a problem in summer! Numerous plumbers have tried to fix it and failed. It's really loud and goes on for ages. If I run a bathroom tap at same time it stops. As soon as I turn the tap off it resumes. Please can you suggest anything?
Hello my friend, I need more details! 1- did other plumbers try to replace the shower cartridge? 2-did other plumbers replaced the shut-off valve for the bathroom tap? 3-is the shower on the top floor? 4-what happens if you turn only the bathroom tap on? 5- do pipes bang? shake? or squeak? 6-is the shower pressure lower than before? 7-is the pressure in the bathroom tap lower than before? 8-how is the toilet in the same bathroom? 9-how many showers do you have in the house? 10-how old is the shower? 11-how old is the bathroom tap? 12-what brand is the shower? 13-what brand is the bathroom tap? 14-what type of shut-off valves do you have under the bathroom tap?
@@PipeWrencher wow, that's quite a list. I will get back to you. Thanks for your reply, it certainly suggests a lot to think about.
.A new faucet (a dual spray switch tap that allows to switch between a strong shower setting, and normal stream setting) is installed downstairs. Whenever the downstair neighbor switches to strong flow setting I hear a high pitched water stream noise in my kitchen. The below neighbor uses the high flow setting quite often in the day, and it affects my ears as I have an ear condition called tinnitus. But it's loud enough that even someone without tinnitus would find it annoying (the nails against chalkboard type of sound)..why the noise is coming,
Really appreciate any help, thank you!
I hear a knocking sound every day for the past few weeks at around 4:30 or 5 AM. The sound comes from right outside my bedroom, which makes me nervous because the water heater for the house is directly below my bedroom. The odd thing is that I don't think it is water hammer - the sound is more like a loud woodpecker than a single knock and lasts a few seconds. It also happens in the morning before I use any of my water. What might be the cause of this?
you really need to find out when exactly it sounds! I mean someone using a tap or a shower.
Did you ever find out what was wrong? You described exactly what is happening in my house.
This is happening to me also! Did you find a resolution? :(
do you have a lawn sprinkler system that is coming on at that time?
I started to hear humming noise from the wall where the main water pipe enters the house whenever the sprinklers come on. What could be the cause? This just started a week ago.
Okay I'm a plumber I replaced some cartridges today and after I installed it made a hmmming noise after installation now I'm hearing from my prior bosses that pressure might be to low to the home is this a possibility or is thier something else going on also knowing that the cartridges are installed correctly
Hi, when I run washing machine, cold water pipe seems sucking/stopping water sound. If I close the cold water so less water is coming then sound stops. Would Hammer Arrestor will help or is there any other problem. House is about 15 years old.
Also, in one of bathrooms on main floor, when I flush and open cold tap, same sound comes.
Thanks!
for the washing machine i recommend to replace the shut-off valve for the cold water and most probably your problem will be resolved, but for the bathroom i need more explanation (I need to know when you hear the sound and when you don't) only when flushing the toilet and running the tap at the same time or every time you run the sink no matter if you flush the toilet or not.
@@PipeWrencher Thank you! 1) I think shut-off valve is soldered and I probably need to cut the drywall to access it. Would prefer to install Hammer Arrestor if that would fix it. What do you think?
I closed the tap a bit for cold water to reduce the flow of water and sound goes away.
2) re toilet: If flush toilet alone or cold water tap in the sink, no sound. When both are running at the same time then sound comes. I closed valve a bit toilet bowl to reduce the water flow and sound stops.
I was going to install Water Hammer Arrestor
for both.
Thanks again!
I don't think that hammer arrestor resolves your problem, most probably your issue is combination of things, you need to check or even replace a couple of things to get rid of the problem. You need to inspect toilet filler valve, toilet shut off valve, the tap's cartridge and shut off valves. There is hight chance that your problem is related to faucet cartridge.
@@PipeWrencher Thanks, here is another observation. Laundry room have a sink. I can see from sink cold water connection, a line go to outside tap. When I open sink cold water, no sound. When outside tap is opened, banging sound somewhere in the basement again.
My pipes hammer when i turn on the radiator heating and they keep banging around all day while its running. Should i put arrestors on every pipe?
For me it’s a weird whistling noise and it does it constantly and some days it’s less frequent and other days it’s more frequent and doesn’t matter if something is turned off or on it still does it. Please help
Not bad getter better keep up the work
So my friend every time they turn out the outside water Spicket it makes noise inside the walls and then every time they turn it off the noise stops how do I fix this
thank you for the comment my friend, simply replace the cartridge / washer of your outside tap or replace the entire tap to get rid of the problem.
Great tips! Hopefully I can stop that whistling sound.
Capped Branches for shock arrestors don't work for very long because water absorbs oxygen, best to get some that are manufactured with O-Rings and a Piston.
It is debatable as mechanical shock-absorber requires maintenance, but I get the point.
Recently i noticed that my pipes in the wall make noise but there isn't any water running. Thoughts?
does that sound affect meter consumption? my faucet has that Hammering sound when I turn if off. and my bill is too high 6x high time than my previous bill
No it does not.
@@PipeWrencher thank you.
I have a whistle that just started the week I replaced a kitchen sink faucet and a 1/4-turn ball valve supply feed under the sink. What is puzzling is that the whistle seems to always be in one spot right behind the bathroom sink no matter which plumbing fixtures are in use. My washing machine running causes the noise, the kitchen sink (hot and cold), my bathroom sink and shower, and the 2nd bathroom's toilet. My toilet doesn't cause it and neither does the 2nd bathroom sink as well as a cold water feed line off my washing machine's cold water spigot that goes to my fridge. Flummoxed.
i'm having the same problem, did you find out how to fix the problem? thank you
same issue after installing a new dishwasher. I think it is trapped air from when the mains got turned off. and all the pipes got bleed out. there has to be 1 item i have not used yet that will get that air out.
What if bang noise coming when running water?
My issue is that AFTER I flush the toilet, while the tank is refilling, I have banging pipes in the wall. How do I stop the banging while water is FLOWING to the tank?
Great video, unfortunately, it didn't address the issue I am dealing with. I would be more than happy to email you a question, which may help other people dealing with the same problem, but I can't find the address.
Where do i install that device? My banging noise comes from within the wall behind my bathroom sink and i cant really tell what causes it because it sometimes stops but its fairly rarerly. It does get worst during the night though.
best is close to the noise but should be effective anywhere
A branch is a dead leg and a dead leg can cause legionaries disease if not frequently used.
Hello my pipes knock when the hot water is turned on. It does not do it for the cold water. Please help. Thank You
I think clamps do very little, we have solid brick walls with pipes encased in concrete and they still hammer with the dishwasher.
20 years ago they changed the furnace in the building were I live, and that's when noise started. It's a hum noise, and it's always the same note = D (I am a musician)
The landlord is ignoring my complaints, I tried ear plugs but this vicious hum noise goes through the best ear plugs. Do you have an idea on how I can eliminate this crazy hum?
Thank you
How many units in the building? and when exactly the noise starts (when someone uses a tap? or when someone flush a toilet? and which unit you think the sound comes from?) you need a local experienced plumber to be onsite and see where the sound is coming from!
@@PipeWrencher There are 50 units and the noise started in 2003 when they installed a new furnace. Thank you, I will make sure they call a pro plumber
My pipes in the attic I hear a continuous tik tik tik sound every time I turn the water on . It lasts a few minutes or more. Would you know the cause please ? Thank you for the excellent videos.
Probably thermal expansion of the metal. If it only happens with the hot water on that could be it.
I was told by a plumber never block off a brach o drinking water pipes as the water in the branch can go bad or stale and poison your water supply
Whenever water is turned on....we can hear clicking noises in the family room which is right above the basement room with water heater ...,it is so bad and noticeable ....constant clicking sounds when water is turned on ...any ideas?
Might be one of your shut off valves that needs to be replaced. now you need to troubleshoot and find the one or call a technician in your area.
Hi so when I flush the toilet my pipes make a really loud noise but it only happens when i flush the toilet when I tern the taps on it stops and comes back
You told everyone about water hammer; however, you did not provide any detail about exactly how to remedy the issue. Specifically, what length of pipe is sufficient on top of the impacted value to remedy the water hammer issue?
We forgot to Turn off the Gardening Hose outside off the house, and then we Turned on water in the Shower, it’s making LOUD NOISES. what seems to be the problem? Thanks
The knocking sound started after replacing the mixing valve above the water heater and knocking starts after any taps / showers open in the house. It’s become terrifically annoying
You ever figure it out?
My house is an 1988 there was no noisy problem before but now after flushing the toilet bowl in the basement we are hearing a rattle noise like toca toc toca toc toca! It last 5 to 10 seconds then stop.
What could it be?
My pipes bang inside walls when hot water in the bathroom is running. Banging stops shortly after the water is turned off. Please help, it's driving us nuts.
Take Pipe Wrencher's advice and install a baffle of sorts, such as the homemade/manufactured Hammer Arrester on the hot water supply. If it only occurs with one fixture and the with the hot water supply itself, it may be the valve supplying that fixture. Moen, Delta and other reputable suppliers will give you a free cartridge for their products. It's worth taking this route before opening a wall to install an arrestor. Good luck!
@@gjmarsh8787 I got it fixed. Turned out that a pipe expanded a little and was tight against one of the beams in the basement.
It's silent now 😃
@@Gun_Talk how did you make it not expand/fit better?
Did it ever phantom knock when no water was running?
@@r2488 no, it was never phantom knocking. I just shimmed the pipe away from the beam at one of the bends.
The problem with ur solution is that sooner or later the water absorbs the air and the problem restarts. The second is bacterial growth possibly legionella.
It is a valid method and is a plumbing code in Ontario. and plumbers go by the book.
How would adding an extra pipe and capping it off help? Because it is just going to be filled with water once you turn the water back on, just like all the other pipes.
it does' help forever, but it works and still taught in plumbing schools.
@@PipeWrencher The PROPER piece to put on there is a hammer arrestor. They're only $15 or so and one can even be screwed onto a washing machine outlet or compression fit onto a toilet water valve so you don't have to do any cutting of pipes. They have a little gas chamber inside that gives way like a shock absorber to stop banging pipes.
What causes a "knocking" sound in the pipe after flushing the toilet?? Help please
The shut off valve or the toilet filler valve! But there might be other things involved!
@@PipeWrencher Thanks for the reply but it's not the above and the knocking starts as soon as I flush and ends as soon as the tank is full. Thanks again!
Replace both of them anyway, they are both cheap. just find a good plumber to do it or do it yourself if you are handy! then tell me the result.
My neighbours boiler whistling every time he's putting heater on what can cause problem thank you for Advance
Does the branch have to be that tall
All the faucet are making noise. How would you know the one which is bad
I am telling you. It sounds like a horror movie, my pipes BANG HARD!!! Even through the night, when no taps are ran. Or early in the morning before anyone even gets out of bed. They knock every single day. And there is like movement, or fidgeting sounds that come from somewhere under my roof, but above my ceiling. Please HELP? 🙏🏼
My friends apartment does same thing
I think that is from the hot water heater circuit
Every time I flush my upstairs toilet I am able to hear the water running through the pipes. I am confused why this is happening. My home is only 4 years old. Please help!!
A plumber told me find the lowest positioned tap on your property and simply turn it on fully for 15 minutes. It didnt work
Maybe unlikely but you're basically creating a dead-leg and potentially risking legionella with the first suggestion?
I think you mean the hammer arrester, right? if so then I should tell you that this is not a solution that I made! this is the plumbing code in Canada. plumbing code has been around for decades and it is reviewed every year.
@@PipeWrencher yes, sorry, that's what I meant. Oh, OK. I guess it's only a small leg. 👍
My problem is that the pipes inside the walls start to vibrate violently and randomly for about 3 minutes any time of the day or night. I sounds like when you drill into concrete! It looks like it starts from the boiler. But the sound in the boiler is much less than the sound of the pipe vibrating in the wall several feet away. The plumber changed a tube in the boiler but that didn't solve the problem.
😱😱😱😱 No: I could not deal with that! My room shares a wall with the bathroom and the hot water pipes run along another wall. When my housemate showers or runs the washing machine late at night the banging nearly gives me a heart attack. I am legit moving my bed to the garage 😅😅😭
How about when it’s the case but when the heater turns on. 🤔
how to make less noise for a water pipe? there is too much noise and it travels and other people in the room can hear it
My plumbing making pounding noise inside the wall. It make noise without water is running.
What happens if there is a noise all the time?
My electric boiler whistle only when I open the hot water in kitchen or bathroom I2 plumbers came to repair nothing changes
At night, every time a toilet flushes, their is a loud whomp whomp, whomp whomp, whomp whomp, sound that comes from my bedroom wall. The other side of that wall is the garage. Anyone know what is this noise? Also, from the master bedroom, water seems to be leaking or not working properly.
Really difficult to say, you really need to call a local plumber to look at it.
@@PipeWrencher I'm not a plumber so I don't know exact terminology, but I adjusted the main water line outside to a lower pressure, and the problem has gone away, thank you for responding.
Aha, now it make sense, most probably you have a gate valve before the meter! Do you?
@@PipeWrencher Oh I don't know, it's a valve outside the house, underground, under a cover.
@@roush26 that valve most probably belongs to the municipality, depends where you live. call them up, tell them to replace it if it belongs to them. your problem is most probably from one of the valves, now finding the right valve needs a bit of patience.
You have an accent, are you Persian?
When I turn on my cold handles in the bathroom or kitchen and hearing pipe knock in the attic
Of course they want you to buy and install something or you could just increase or reduce the water pressure under the sink...
I still have loud knocking in my pipes when water is on.
check where exactly and when exactly it sounds!
Mr. only for a few weeks then it will only get worse
Still a valid method, but I see your point.
You didn't do "only when water is turned on" or I messed it. And I hear it all over the house.
In the end you didn't talk about vibration...
Everytime i flush the toilet and when turning on the tap
I thought it was gunshots because it was so dang loud