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Water flow

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Thursday 20 October 2005 12.24pm
The water coming into my ground-floor flat seems to be pulsing rather than flowing
continuously. The cold water tap in the kitchen works fine, no
spluttering or anything, but gently pulses. There is also a regular
dull banging sound coming from any pipes directly connected to the
mains, consistent with the pulsing of the water coming out of the
kitchen tap. This noise, which sounds a bit like a heartbeat, remains
constant regardless of what taps are running.

The next door neighbours don't seem to have this problem. Thames Water
say there's been no disruption to the pipes in the area. Any thoughts
as to what could be causing the irregular flow? Does anyone have the same problem?

Thanks in advance
Thursday 20 October 2005 12.46pm
Airlock? or adjoining neighbours with dodgy centralheating system?
Thursday 20 October 2005 3.11pm
Sounds like either water hammer or an airlock.

First check that your stopcock tap is fully turned on. And when you have checked that, you should turn it back one quarter of a turn so that it doesn't jam. That may help to reduce water hammer. If it is water hammer and it persists, has one of your pipes become detached from a mounting?

If an airlock, try this:

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