Troubleshooting water heater problems: Noisy pipes


 Noisy pipes can be caused by problems with the water heater. When you start hearing noises in the water pipes, these can be caused by air or lack of air, obstructions and blockages in the water line. Here are some steps you can take to identify the problem.

Water hammer

Water hammer is a dull sound that results from the sudden pressurisation of the water line caused by the rapid closing of a tap or other water valve. The water rises rapidly, causing a loud hammering sound in the pipes. This damages the pipes over time. Water hammer only occurs when water is not flowing. You can rule out water hammer if you hear the noise while the water is flowing. Shut off the water supply to your house and drain the water from the pipes by opening a low tap, such as an outside tap or a tub. Turn off all taps and turn the water back on in the house by opening a tap and closing it. If you do not hear the clunk noise, the problem is a water hammer.

Clunk noise

Toilet ball valve - A damaged or faulty toilet ball valve is usually the cause of this problem. Turn off the water supply to all toilets in the house. If you no longer hear the buzzing sound, reopen each water supply valve until the sound returns. If the noise returns, the ball valve of that toilet needs to be replaced.

Tap washer - Tap washers can fail. To determine which tap washer is faulty, turn off all taps in the house and open them one at a time. Troubleshooting is simple. If the sound occurs when using a particular tap, the washer may need to be tightened by screwing it in or replaced. If by tightening the washer the noise disappears, the problem is solved.

Third-party tap parts - If the tap parts were replaced with OEM parts instead of the manufacturer's parts, the fit may not be perfect and may cause air to leak into the system, causing the hum.

Other sources of noise

High water pressure from the city or well can make pipes hum or groan. Water pipes can vibrate in the walls because they are not fixed properly to the support beams or if the holes drilled to pass the pipes through the beams are too small or not centred. A very rare reason why water pipes make a sound can be the pressure regulator. This can be determined by tapping as the water flows; if the sound is present throughout the house, adding more water changes the speed of the sound.

Call the Emergency Plumber in Durham. After your call, we send in a short time the right plumber to you. 
Location: Durham, UK

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