Copyright © 50+ Crossgates Plumbers 2012
Who says hot water systems are boring ??
Maybe I should get a life because hot water systems really ignite my
enthusiasm.
Have you ever stayed in a top hotel and used their showers ??.
Have you thought to yourself "this is a fantastic shower I wish mine was
like this at home".
“It can and it can be even better” !!!!.
Let me explain how that is possible. Here in the UK we were one of the
first nations to have hot water systems in our properties. The Greeks
were the first to use shower systems but it was many centuries later
before we saw anything vaguely resembling a shower let alone a hot
water system. It was not until the industrial revolution that domestic hot
water systems began to be fitted to any extent in UK houses. Lead was
the king and the term 'Plumber' was born derived from the latin
'Plumbum' the chemical symbol Pb is for lead. So storage and
distribution of water became possible and was adopted widely.
The principals of plumbing hot & cold water remained, and still do, to
this day though the materials used are now very different.
We have moved on and nowadays we receive clean fresh water direct to
our houses at high pressures, we have come accustomed to this and
expect nothing less.
We are able to harness that pressure the cold water supply provides us
with and transfer that to the hot water system. There are two ways we
can do this. The first method is by installing a pressurized hot water
cylinder and instead of having a cold water storage tank installed
(usually in the roof space) feeding the hot water cylinder with it’s
supply of cold water, we feed the cold water mains straight into the
pressurized cylinder thus giving us hot
water at cold water mains pressure.
Diagram ‘A’ shows a classic open
vented hot water system often refered
to as a gravity fed system. Water is fed
into the bottom of the cylinder, when
full the water flows out of the pipe on
top of the cylinder and to the
taps/showers in the property. As long
as the outlet pipework on top of the
cylinder does not rise above the water
level in the tank, water will flow. This
is the principle of gravity fed systems, the cold water flowing down
the feed pipe pushes the hot water out of the top of the cylinder, this
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