If your toilet is making a foghorn noise, it could be because of a loose washer inside the “float”—a black, ballock-style valve that is common on older units. Lift the tank lid and flush your toilet while holding up the float, and if the foghorn noise goes away, you’ve located the problem.

Why do my water pipes sound like a foghorn?

A foghorn sound in your plumbing could be a number of things. It may be a faulty ballcock in the toilet, a loose faucet washer, or a valve for the washing machine. It may also be permeating your entire house, in which case it could be from loose or old pipes or a malfunctioning regulator.

When I flush toilet I hear the pipes make a loud noise?





When you hear a vibrating noise from your pipes when the toilet flushes, this usually points to an issue with the fill valve. This piece is the part of your toilet that refills the water tank. It might also sound like a foghorn or groaning noise that continues for around 30 seconds after you flush.

How do you fix a foghorn pipe?

If you hear this sound when you turn on a faucet, then it’s probably a problem with a faucet washer. A loose faucet washer, when subjected to water, can also create a lot of noise and may approach that foghorn-level of noise. Tighten the screws throughout your faucet system to try to stop this problem.

How do I stop my toilet from making a noise when I flush?

Turn off the water supply to the toilet, remove the tank lid and locate the fill valve and carefully remove any dirt and debris. You should also, allow water to flow out of the valve. This will also flush any debris from the fill valve line. Switch the water back on and the noise should be gone.

Why do my pipes howl when I flush the toilet?

It simply means that you could have too much pressure in your plumbing lines or trapped air that causes it to make howling, bumping or thumping sounds. Static water pressure that is too high can cause problems, leading to everything from noises to broken pipes.

What causes water pipes to moan?





Your Water Pressure Is Too High
If the water pressure in your home gets too high for your plumbing system capacity, your pipes may make a moaning, hissing, or humming noise.

How do I stop my water pipes from whining?

To stop the noise, simply replace the part causing the problem and the whistling should stop. If you’re hearing the whistling throughout the house, however, the problem is usually within the pipes themselves. They may have a mineral buildup or you could have a worn main water supply valve that is causing the noise.

What does it mean when the pipes make a high pitch sound?

Pipes Making a High-Pitched Whistling or Squealing Sound
Cavitation is when water flows from a larger pipe into a smaller pipe. The high-pitched noise you hear is due to the water pressure. Cavitation may damage your pipes and cause additional problems as well. Solution: Adjust the screw on your pressure valve.

What does air in water pipes sound like?

What Does Air in Water Pipes Sound Like? Air in water lines will likely sound like a hiss or pop(s) emanating from the pipes. The causes can range from the simple to the complex, with the source of the air varying depending on the situation.