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Chris Hodges Chris Hodges is offline
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Default washing m/c hot fill inefficient given long pipe runs?

David Hansen wrote:
On Fri, 31 Aug 2007 08:54:14 +0100 someone who may be Si
$3o&m wrote this:-


To clear more space in our kitchen I'm moving the washing machine into
the lean-to. The lean-to already has a cold water supply.

I've always used hot and cold fill but I'm thinking that because the
gas-heated water comes from the hot water tank upstairs and is heated by
the boiler downstairs, the long pipe runs probably make this an
unnecessary & inefficient option given that modern washing machines use
so little water for the washing cycles anyway.



It depends on usage patterns, system design and how well insulated
the hot water pipes are.


Unless the insulations is incredible, for most runs and many usage
patterns it's irrelevant assuming the machine is reasonbly modern - just
use a y adaptor (normally comes with the machine) and link both pipes to
the cold, you probably won't even notice the difference unless you run a
laundry. Our run's not that long, but the water doesn't have time to
run hot before the machine's full.


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