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Noisy water pipes when neighbours use water

When neighbours use a hot water tap the banging in my house is tremendous,it seems to come from the bathroom tap (neighbours) and when I use mine. the on/off switch (on mine) is a lever

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  • Water Heaters Master
  • 5,089 Answers

Install air chamber to cushion sudden-stop of flowing water.
Water flow coming to sudden stop is called water hammer, and will bang pipes, but also loosen plumbing joints, causing leaks.
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#bang
http://waterheatertimer.org/images/Flow-rates-water-hammer-600.jpg

Air chamber has to be vertical, and about 18" long, with cap on top.
By code each Hot and Cold line at each tap will have air chamber located behind the wall. So there are two air chambers at each tap.

In your case, you can probably add air chamber to your Hot and Cold lines and solve problem for both dwellings.

Water hammer is caused because water does not compress like air.
So when long column of water suddenly stops... the whole pipe-full of water comes to sudden halt... and that water could weigh 1-1/2 pounds ... and just like a hammer head moving, the weight of water bangs the pipes to dissipate energy, causing noise.

Posted on Apr 22, 2013

6 Suggested Answers

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  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

pappapumpdaf
  • 635 Answers

SOURCE: We used to have hot extremely hot water in both

Your check-valve has most likely failed at the switch.
The flow check valve works by opening when you turn the water tap. When it opens it closes a switch which turns on your heating elements. When this switch fails you will still have water flow, but no heat. Titan has parts for this but you will need to call their service Dept.
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or call
Toll free support pesonnel hours (EST): Monday-Friday: 9:00am - 5:00pm
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They also have an online support operator during normal business hours here
http://www.titanheater.com/livehelp/livehelp.php?department=2

Posted on Mar 24, 2010

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WhiteRussian
  • 167 Answers

SOURCE: Parkray Cumbria efficiency problem

Some circulation pumps have a 3 phase mixing valve (cold,warm,hot) to regulate the water pressure in the building; no way to know unless you trace the plumbing. Basically, the hot water temperature could be lost because the circ-pump is cooling it with the cold water supplied to it. This is used to balance the pressure (aka Pressure Balancing Circ-Pump), so heater is really working overtime to heat the water. If the pump has two in and one out that's more than likely your problem; but you should consult a "old-school" plumber in your area.

Posted on Nov 28, 2008

  • 659 Answers

SOURCE: no hot water

You may need a circulating pump but I can't explain why it was fine before and not now. What I would do is turn the supply off to the water heater along with the power, remove the outlet supply. Open all hot side faucets in the home, using compressed air blow through the pipes if the air comes back at you, then there is a blockage before the hot manifold. If air moves, shut one faucet off at a time to try and determine where the culprit is. I don't know what else to tell you other than that. If air moves through the faucet every time, then you may want to put a circulating pump on. The only other expination is that when they repaired the pipe, some debris or eccess solder is blocking the hot supply. I have seen rocks in units as well. Because of the fix, you may want to take apart each faucet in the house and using a flashlight, look in the hot supply side to see if you can find any debris in those as well. Its not unusual after a repair, to have debris caught in them. Hopefull this helps.

Posted on Apr 07, 2009

  • 308 Answers

SOURCE: hot water tap only warm water in bathroom but hot in kitchen

Usually when you are having a problem at only one fixture, and not any others it is a sign that you have a faulty fixture. Hope this helps.

Posted on Jul 16, 2009

  • 32 Answers

SOURCE: no hot water in sink and shower

it sounds like 1(or more) of the motorised valves arent working.find the valve and make sure you are getting power to it via a tester,if so then it probably needs the head on the motorised valve changed

Posted on May 04, 2010

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1 Answer

Bradford White 40 gal water heater,works fine, but has started whining when not in "low" setting. Seems to only do it during showers, or when temps drop outside etc. Only lasts a few minutes


it is possibly a high frequence '"water hammer" from a failing tap washer
call a plumber to replace all the tap washers especially the shower hot water tap washer
water hammer is when the water flow is intermittently interrupted ( (normally as banging pipes) but when it is fast it appears as a whistle or squeal

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Hot water flow low, only in kitchen


could be a number of reasons.
The most sinister is rust build up in the pipes if pipe is galvanised iron.
The next cause could be calcium build up in the pipes. Solution put vinegar in the hot water service. If you can may not be able to
Next less sinister cause
A calcium buildup in the tap fitting - washer or cartridge that controls the water flow. Solution for this replace taps cartridge or washer .

Jan 24, 2016 | Water Heaters

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Is my water heater leaking?


You have water leak that you can hear running water.
Could be broken pipe under house.
Could be water running out of tank at TP valve.

Turn off all water taps and put ear against each pipe at tank.
If TP valve is leaking, then replace TP valve.
If pipe is broken under house, then call contractor.
Copy following links for troubleshoot walk-thru.
http://waterheatertimer.org/images/Ear-against-pipe-200.jpg
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html#listen

Aug 28, 2012 | Reliance 606 Series 40 Gallon Electric...

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Banging noise when hot water is turned off


plenty of water pipes particularly in older houses where pipes may not be fastened tightly or at all to the frame of the house suffer from what plumbers refer to as waterhammer. This can be fixed by installing a small device inline from your local plumbing shop. It can also often be solved ( I have found) by fastening you water pipes at closer intivals/more securely to your house frame. Hope this helps. Mine stopped doing it once the pipes were locked in place.

May 11, 2012 | Rinnai Water Heaters

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When i turn on the hot water tap the boiler starts to bang and rattle. doesnt do it with just the central heating on. please help


first check for loose pipes the you might want to add a damper on the pipe to absorb the hammering just t in a piece of pipe and make it go higher than the pipe with the noise and put a cap on topp of that

Mar 27, 2012 | Water Heaters

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Our gas water heater (Rheem Optima Quick recovery 81 series) heats the water as evidenced by the steaming water we can release from the temperature and pressure relief valve but we get no hot water from...


Sounds like a plumbing problem.

Since no tap gets hot water, chances are good the problem lies in the hot water pipes between the water heater to the first Tee.
Look for sediment lodged in water heater hot water pipe.
Or sediment lodged in elbow or Tee.

Other problems can be in play.
Faulty check valve or mixing valve if these are installed.
Faulty recirculation system if this is installed.
Also crossover at single-handled faucet where the cartridge is bad and lets the cold water flow into hot water pipe whenever another faucet is turned on. If you are getting cold water out the hot tap, and you know the hot water heater has hot water, then crossover is suspect > in addition to sediment blockage at hot water heater.

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on timer or any do-it-yourself project.
Fixya is always less expensive than a service call.

May 15, 2011 | Rheem Water Heaters

1 Answer

Turned off the hot water to fix a leaking tap. now the tap has no hot or cold water and the hot water tank valve is leaking?


It sounds like two problems.
Problem 1) Clog inside faucet or clog inside pipes at faucet
Remove supply tubes leading to faucet and see if problem is inside pipes or inside faucet.
My bet is clog inside faucet.

If you have galvanized pipe that meets copper pipe, this can be trouble spot.
Article on clogged water pipes at Inspectapedia:
http://www.inspectapedia.com/water/Water_Pipe_Clog_Repair_Guide.htm

Article on clogged pipes:
http://www.waterheaterrescue.com/pages/WHRpages/English/Troubleshooting/Tanklets/backflushing.html

Problem 2) Water heater leak ... you say tank valve is leaking? Is that cold-water shut-off valve? Or tank drain valve? Or TP valve?

If cold water shut-off is leaking, then replace shut off.

If tank drain valve is leaking, then check if plastic valve is cracked. If drain valve is cracked, then replace with a brass valve from Home Depot. If plastic valve breaks off, then use hammer and screwdriver to gently chip out the broken plastic valve. New valve threads need teflon tape to seal pipe. If valve is just dripping, then put garden-hose cap over end of valve and screw down tight.

If TP valve is leaking, then replace with same temperature and pressure rating.
New TP valve threads need teflon tape to seal pipe.

Problem 3) If pressure is low all over house:
Buy pressure gauge at hardware store that screws onto hose connection.

Test pressure on outdoor spigot.
Open faucet and check if pressure drops. This says if problem is inside pipes that enter house.

Test pressure on water heater drain valve.
This says if pressure problem is before -or- after water heater.

If problem is before the water heater, then shut-off valve located on cold water line is suspect.
If problem is after water heater, it could be in hot water outflow pipe on top of water heater, or a nearby elbow.

Remove hot water line leading from water heater and check pressure. This says if problem is where hot water leaves tank.
Read articles above about clogs inside water lines.


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Boiler bangs when hot tap turned on


Hello,You need to install a domestic/high pressure extrol/expansion tank on your cold water pipe.Should slove noise.

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Tank rattles when hot water drawn out of any tap in the house.


sounds like water hammer 1/cold inlet pressure to high2/ loose pipes 3/ silicone washer check ballvalve washerand replace or cold water tap washers best of luck

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Parkray Cumbria efficiency problem


Some circulation pumps have a 3 phase mixing valve (cold,warm,hot) to regulate the water pressure in the building; no way to know unless you trace the plumbing. Basically, the hot water temperature could be lost because the circ-pump is cooling it with the cold water supplied to it. This is used to balance the pressure (aka Pressure Balancing Circ-Pump), so heater is really working overtime to heat the water. If the pump has two in and one out that's more than likely your problem; but you should consult a "old-school" plumber in your area.

Nov 25, 2008 | Water Heaters

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