I've noticed a slight drop-off in pressure lately, ever since the cold
weather kicked in. I wonder whether some/all water companies have a
policy to reduce water pressure in winter when demand is lower (no
sprinklers, less car washing, less swimming pool usage) in order to
The water supply is still perecftly adequate, but the flow e.g. from
the kitchen cold tap, is not as forceful as in the summer. Sometimes I
have thought the pressure too HIGH in the summer, as it would
practically take your hand off if you held it under the kitchen cold
I don't think its true. it could be of course that the pressure is lower as
there has been a small burst somewhere which has not yet been found or
fixed. In summer less likely to freeze after all.
From the Sofa of Brian Gaff Reply address is active
"MM" <kylix email@example.com> wrote in message
I checked my water meter for a few minutes to see whether any leak was
comng from my side, but it was absolutely static.
By the way, that blue plastic mains supply pipe that water companies
use nowadays on new properties, how long does it last?
That's not something I had noticed.
For info, viscosity is a strong function of temperature that could
explain the reduced flow at lower temperatures.
First google hit:
Enough to produce the noticeable effect that the OP was talking about.
You can't assume that if significant numbers of people
are letting their outside taps dribble in winter to stop
them from freezing when they aren't being metered.
You can't assume that either. I know ours has deliberately
reduced the water pressure to reduce the number of pipe
failures and its possible the OP has just seen that happen
with his water company and that it isnt actually seasonal.
It's also available in black, which will be somewhat better protected
from UV, but may heat up more in the sun (and yellow, but only for
buried gas mains, not to be confused with the yellow plastic coated
steel, which is sometimes used for gas above ground).
I was a little surprised to see miles of the blue stuff laid across
the surface of the ground in South African game reserves, to supply
water to sparse collections of lodges. I guess there was no chance
of freezing, but the sun is very powerful there. If the elephants
discover what fun it is to pull it around and break it, they might
have to try burying it.
[email address is not usable -- followup in the newsgroup]
That's pretty darned impressive, I think. Traditional clay pipes would
probably last literally forever IF not subjected to tree roots or
frost damage. I expect there's loads of examples going back to Roman
On Sun, 14 Dec 2014 18:52:32 +0000 (UTC), firstname.lastname@example.org
(Andrew Gabriel) wrote:
I suppose it's all down to cost. But short-termism is never a good
idea. If they hadn't had the money to pay for the pipe, then they
wouldn't have been able to lay any pipe. But to my mind, the question
"Can we afford it?" MUST include the costs of doing a proper job.
Or perhaps they're still planning on burying it when they've got some
more ready cash.
Wanna bet! That just isn't the case at my house. In the summer the
cold water ~never~ gets cold, even if I wash the car for half an hour.
It's still tepid half an hour later. Also, 30 minutes on the boiler
(heating oil) is more than enough time to get a tank full of piping
hot water in the summer. But in the winter, like now, I have to leave
it on for an hour. And in winter there's no way I could wash the car
(with a sponge) for half an hour, or my hands would be dropping off
with the cold. In fact, I recently bought a long-handled hose brush
just for doing that because the car was getting really dirty due to
the numerous tractors in Lincolnshire leaving mud on the lanes at this
time of the year (cabbages, sprouts, beets etc).
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