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ROBUILD.CO.UK |
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Need extra space such as an office or study room? Your shed or garage can be converted into a place where you can relax.
207066 Megaflow system
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Plumbing and central
heating
...................................................................................................................... We are CORGI registered and cover London area. Our services includes :
Conventional Boilers Conventional
boilers are generally used in conjunction with a hot water cylinder and roof
tanks and radiators. Available for oil or gas, floor standing or wall mounted
with a large range of flueing options. External oil fired conventional boilers
are also available.
Megaflow system- delivering more hot water A mains pressure system takes water directly from the mains and supplies it to both the hot and cold systems. For the hot water, the mains is supplied direct to the boiler. The heated water is then stored in a special hot water storage cylinder built to withstand the pressures of mains hot water. These systems were only introduced into the UK relatively recently and is used when a standard system is not covering the needs of the property.
Condensing Boilers
By converting
approximately 88% of fuel into heat compared to 72%+ for a new conventional
boiler, the condensing boiler is the most efficient of them all, wasting the
least energy. Condensing boilers are available as both conventional or
combination units. A conventional boiler burns fuel in a combustion chamber
surrounded by a water jacket. This heats the water, which is then circulated
around the heating system. Unfortunately, much of the heat produced by the
burning of the fuel is either lost to the surrounding air or disappears up the
flue. Condensing boilers basically scavenge the heat not recovered by the main
heat exchanger and make effective use of it by reducing the temperature of the
flue gases to a point where water vapour produced during combustion is
"condensed out", releasing latent heat that would otherwise escape up the
flue.
Combination Boilers
(Combi Boilers)
Combination boilers
do the work of both a central heating boiler and a hot water cylinder and they
are compact (usually wall hung in the kitchen) – which means you either have
more space in your airing cupboard, or you don’t need one at all. Installation
costs may be lower and fitting is often less disruptive than with a conventional
boiler. However, because the hot water heats on demand it runs more slowly –
which means it takes longer to run your bath. Combi boilers are popular in
properties where space is limited because they negate the need for hot and cold
water tanks.
Condensing
Combination Boiler (Condensing Combi)
This is a
condensing version of the standard combination boiler, which gives you the extra
efficiency of a condensing boiler as well as the advantages of a combination
boiler. It can easily be installed as a direct replacement for an existing
combination model.
Wall Mounted
Combi's Alpha, Ariston, Baxi Glow-Worm, Ideal, Potterton, Vaillant, Vokera,
Worcester
Conventional Wall
Mounted Baxi, Glow-Worm, Ideal, Potterton, Vaillant, Vokera, Worcester
Floor Standing
Combi's Vokera, Worcester
Conventional Floor
Standing Glow-Worm, Ideal, Potterton, Vaillant, Vokera, Worcester
Condensing Boilers
Baxi, Glow-Worm, Ideal, Potterton, Vaillant, Vokera, Worcester, Keston
Condensing Combi's
Alpha, Baxi, Glow-Worm, Ideal, Potterton, Vaillant, Vokera, Worcester
System Boilers
Alpha, Ariston, Baxi, Glow-Worm, Ideal, Potterton, Vaillant, Vokera, Worcester
Condensing System
Boilers Alpha, Ariston, Baxi, Glow-Worm, Ideal, Potterton, Vaillant, Vokera,
Worcester, Keston
Oil Combi Boilers
Boulter, Grant, Worcester
Oil Condensing
Boilers Grant, Worcester
Oil Condensing
System Boilers Grant,
Oil Boiler House
Boilers Boulter, Grant,
Oil External
Boilers Boulter, Grant
Oil Wall Mounted
Boilers HRM, Worcester
Oil Wall Mounted
Combi Boilers HRM
Noises in the
Plumbing System
In designing the
plumbing system the plumber will try to make it as noiseless as possible.
Because so much of
the noise is due to water traveling at a high velocity, it follows that whatever
can be done to reduce the velocity of the water will correspondingly reduce the
noise in the system. It is for this reason that it is so important not to skimp
on the size of the water supply piping. Larger pipe will not only provide a more
adequate supply of water but will reduce noise.
There are three
general types of noises found in some of the older plumbing systems. These are
water hammer, whistling and chattering.
Water hammer is the
thump in the piping heard when faucets or valves are turned off abruptly. It
can usually be eliminated by the installation of an air chamber or short length
of pipe in the wall where each supply pipe enters a plumbing fixture.
In some cases,
however, the ordinary type of air chamber will not prevent water hammer. In such
cases, special devices known as shock arrestors should be installed on the main
line near the meter or as close as possible to the cause of the noise.
Sometimes water
hammer is due not to the plumbing in the house in which it is heard but to a
condition outside of the house, either along the water main or in a neighboring
house.
The noise is only
an audible symptom of what is going on in the piping. The piping is being
subjected to the wear and tear of a multitude of shock waves. The result will be
leaks in piping, tanks or fixtures unless the condition is corrected.
Chattering in the
piping may be caused by loose pipes, by pipes rubbing against a metal
projection, by worn faucet washers or looseness of other inside parts.
Whistling is caused
by the speed of water flowing through piping which is usually too small. A
pressure reducing valve will help as will a general straightening out of the
plumbing system. Whistling is most common at bends and tees in the pipe.
Sweating
Pipes
"Sweating" pipes
and plumbing fixtures in summer-time or during seasonal changes are not a sign
of faulty plumbing. Due to condensation of water vapor in the air, beads of
moisture will form in warm weather on any pipes and fixtures containing cold
water.
Normally, when not
in use, the water and fixtures will worm rapidly to room temperature and the
condensation will stop. When a closet tank or other fixture continues to sweat
for hours after it has been used, it is a sign that cold water is continuing to
flow through it, possibly due to an improper adjustment of the tank valve or a
leak.
Sweating pipes can
be wrapped with an insulation material which prevents the condensation and
formation of moisture.
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