Feb 8, 2005 · Water hammer usually occurs when high-pressure flow of water is suddenly arrested as in a tap being turned off quickly and will momentarily subject the whole system to a pressure almost double that of the incoming water and yes it could cause a pipe to develop a leak.

Apr 17, 2019 · I have water hammer on my mains cold supply and it’s driving me mad. The hammer is noticeable where the supply enters the house in the cellar. The pipes have all been clipped. It is most noticeable when quick close valves shut such as the washer and the dishwasher. It was slightly noticeable...

Dec 6, 2016 · Hello all, I am struggling to diagnose and find someone who can fix this issue and after some research online, believe the problem to be due to 'water-hammer'. The noise only happens in one radiator, in my single (rented) room, when the central heating is switched on and happens in 5 minute...

Oct 18, 2017 · They have had a new washing machine and this produces a constant water hammer in my flat when it is used. When I turn off my lever valve at the mains the water hammering stops, so I'm thinking this is an issue I need to sort at my end. Here is a picture of where the mains water is coming into from the large iron pipe on the wall.

Sep 19, 2018 · A dampening effect as the tank water reaches its level.(and valve starts to shut) The float has only to bounce a tiny amount to shut the valve which may cause one "hammer" which causes a vibration of pipe and tank side which then causes tanother bounce and the cycle to begin again but faster resulting in a hammering cycle.

Apr 6, 2020 · water hammer is often mentioned,often its not actual water hammer but using repair techniques for proper water hammer cures the random unknown fault. Often the use of a listening stick will narrow down the source of noise.its low tech but a very quick method to pin point plumbing noise .

Jan 1, 2020 · I had a water hammer problem when I lived in the French Alps and my household water pressure varied between 5 and 7 bars. I fitted a pressure reducer/regulator that was factory set at 3 bars, and things improved, but there was still …

Oct 26, 2006 · Hi Guys, Since I had a Combi Boiler fitted a few months ago I have had water hammer every time I open the hot water tap on the kitchen sink. This may not be called water hammer since I understand that is only caused when shutting off a tap etc. This hammering noise does not occur elsewhere in...

Nov 6, 2015 · I have turned down the stop cock but it's still the same! I have tried the following: drain the water system, changed stop tap, clipped pipes, installed PRV, closed the isolation valves to taps and toilets, water company has changed main tap in the street, and a water hammer arrestor but this was in the wrong place.

Sep 13, 2012 · I have an electric unvented water heater that has been working for 6 months - no problems. I recently added a cold-water tap (feeding washing machine) to the system and ever since the cold water feed into the cylinder has developed what sounds like "water hammer". There are no loose pipes and the plumbing is only six months old.