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104
water. It might be mentioned here that all taps, valves, and cisterns used on wa-
ter services, including hot-water services and services on meter, must be tested
and stamped by the water authorities. Most water authorities provide a constant
supply of water, but some few find it necessary to intermit supply for various
reasons such as inadequacy of mains, capacity and demand at peak periods.
This system is known as intermittent supply and for its operation householders
have to have a large storage cistern to cover their needs in periods when, the
supply stops.
Air conditioning refrigerant
Refrigerant is a substance used in refrigeration to make or keep cold or
cool. All air conditioning systems must have air conditioning refrigerant in its
system in order to absorb excess heat and result in cool air blowing through
the air filters in your home, office or building. A chemical refrigerant is placed
inside the air conditioning system to absorb the unwanted heat which in turn is
pumped through an outside unit that will blow the heat to the outside and trans-
fer the outside air to cool air inside your home. Chlorofluorocarbon, a colorless,
nearly odorless liquid is what comprises the refrigerant, also referred to as R-
11. When it's placed at room temperature, the liquid starts to boil and can be
used in air conditioning systems to assist with heating and air conditioning. If
your air conditioning system is low on air conditioning refrigerant , you might
need to contact an air conditioning company or an air conditioning contractor .
Often times, the air conditioning refrigerant can be undercharged during the
time of an air conditioning installation or there might be a refrigerant leak. Add-
ing more refrigerant will not solve the leak. A reliable air conditioning com-
pany will test to see where the leak is coming from and repair the air condition-
ing part and change the air conditioning to its proper level. This is essential for
the very best in air conditioning and refrigeration. If you live in hot zones, re-
placing your air conditioning filters on a monthly or bi-monthly basis gives
all air conditioning parts the very best in functionality and performance, includ-
ing the air conditioning refrigerant . Just like your car, the more you use air
conditioning in your home, the more often you will need to replace
the refrigerant . Normally, a technician will set the air conditioning to its proper
level and add to the air conditioning refrigerant if needed
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