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Andrew Gabriel
 
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Default Combi's and water pressure

Just seen on the news that Thames Water is going to reduce
the water pressure in London until they can find the money
to replace the leaking water mains. Potential combi owners
(and current combi owners) might want to bear this in mind.

One of the London boroughs has had to spend £1M so far on
providing booster pumps so water will reach the tops of their
taller buildings, and as the pressure drops spread, they are
expecting to spend the same again. They have complained to
OFFWAT that Thames Water is allowed to drop the pressure
but not responsible for picking up the bill. Some taller
houses will apparently also need booster pumps.

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Andrew Gabriel
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James Hart
 
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Andrew Gabriel wrote:
Just seen on the news that Thames Water is going to reduce
the water pressure in London until they can find the money
to replace the leaking water mains. Potential combi owners
(and current combi owners) might want to bear this in mind.

One of the London boroughs has had to spend £1M so far on
providing booster pumps so water will reach the tops of their
taller buildings, and as the pressure drops spread, they are
expecting to spend the same again. They have complained to
OFFWAT that Thames Water is allowed to drop the pressure
but not responsible for picking up the bill. Some taller
houses will apparently also need booster pumps.


It almost sounds like one of those april fools stories that get put out, but
I fear it isn't.
Problem: Water mains are leaking, too much is leaking away.
Solution: Stop putting as much water through them.

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James...
www.jameshart.co.uk


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Lee
 
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Andrew Gabriel wrote:
Just seen on the news that Thames Water is going to reduce
the water pressure in London until they can find the money
to replace the leaking water mains. Potential combi owners
(and current combi owners) might want to bear this in mind.


Well, we have very high water pressure here, but only average flow
rates. Most of the additional pressure would appear to be air, going by
the bubbles and noise.
I'd be happy for them to reduce the pressure*, if it reduced the
aeration and noise, as long as it didn't reduce flow rates too much.

*We have a 28kw combi, but we have to throttle it back to around 10l/min
because otherwise the aeration causes it to be far too noisy.

Lee

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