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The water pipes are not fastened securely, causing a condition known as water hammer.
Envision yourself running toward a doorway and just as you get there someone slams it in your face. Bam! Same with water when you turn off a faucet suddenly and the pipes are not fastened properly.
Wiki User
∙ 15y ago
Wiki User
∙ 14y agoMetals contract when it cools and expands when it heats up. If your pipes are sitting nice and cosy at ambient temperature running the cold water will make them shrink a little, maybe enough to make them strain and(knock) against where they are clamped to the house.
Wiki User
∙ 14y agoIf the system has been drained and refilled, there may be some air in the system. Or maybe the pipes are loose, or the system is low on water.
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What causes singing water pipes?
Singing water pipes can be caused by air that is trapped in the pipes. The air can cause a whistling or singing sound, or it can cause the pipes to knock or rattle.
Do water pipes in homes expand and contract?
Well if water is too cold, pipes will contract and if water is too hot, the pipes will expand.
Why does the water have to run for a long time to get it hot?
The water pipes are full of cold water. All that cold water has to be flushed from the pipes before the hot water from the tank reaches your faucet.
What causes pipes to burst?
some times when temperatures go really cold in winters it causes water to freeze and as the water in pipes starts to freeze, the expansion that takes place when water freezes causes pipes to break
Should a homeowner expect more calcium carbonate build up in hot water pipes or cold water pipes?
Cold for the calcium carbonate is disolved by hot water.
Do hot water pipes freeze faster than cold water pipes?
Why is the second paragraph a contradiction of the first? If hot water pipes 'Absolutely' do not freeze faster than cold water pipes then why the comment about the cold water pipes having a larger diameter which causes them to freeze at a slower rate than the smaller hot water pipes? Also, the word then in the last line should be thanand there should be an a between usually and larger. And, piping should be changed to pipe.
Why hot water pipes smaller than cold water pipes?
They are not usually smaller - some amateur plumbed yours.
What water pipe is likely to be sweaty the cold water or the hot water one?
Cold water pipes would be the sweaty ones.
Why is there orange water in the bathtub when the water is hot but not when the water is cold?
Your hot water pipes have rust in them.
Why do the pipes make noise when the cold water is on?
if the pipes are warm or hot at the time the coldwater passes though them, it can cause the pipes to cool and contract
Why is water pipes wrapped in foam rubber?
Water pipes may be covered with foam rubber to stop condensation dripping from the surface of cold water pipes in warm and damp climates, and to insulate hot water pipes so the water in them does not cool while flowing from the hot water tank to the faucet,
Which temperature should water in pipes supplying cold water for domestic purposes not exceed?
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