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Heating/Air
conditioning engineer
Jargon
Buster:
Balanced Flue
A horizontal gas flue that has concentric tubes, i.e. one inside the other,
arranged in this way so that one tube carries out the exhaust fumes and the
other brings in the air for combustion. The combustion chamber is thus
room-sealed and safe.
Btu
British Thermal Units. A measurement of heat output now replaced by kW. 1 Btu /
Hr = 0.000293kW. A 90,000BTu boiler is approximately 26kW.
Condenser
The outside unit in an air-conditioning system that disperses the waste heat and
condenses the gas back to a liquid.
Copex
A trade name for flue liners made from flexibly jointed stainless steel. This is
used to line brick flues to prevent carbon monoxide leaking into the house.
Gravity Fed
A central heating system that does not use pumps but circulates the water by
gravity and water expansion.
Indirect
See indirect tank under Plumber.
Kw Kilowatts
A measurement of power, which may be expressed as energy, consumed in a period
such as kW/hrs.
Leigonella
The term given to a group of bacteria that thrives in water of between 15 and
450C. The bacteria can infect susceptible people and result in an illness
similar to pneumonia. The bacteria has been found in shower heads and it is
therefore a good idea to have the domestic water supplies from storage systems
regularly flushed professionally if there are persons using systems who are
elderly or with health problems. The systems particularly prone are older mixers
where the hot and cold are mixed remote from the head.
Pressured System
A hot water and radiator system that has a sealed pressure vessel to deal with
expansion and a safety valve to prevent damage. The advantage is that higher
temperatures can be reached, a header tank does not limit the height of
radiators and the system can be compact for flats. The system does need special
approval from the local council building control.
Split System
A term used to describe comfort cooling, commonly termed 'air-conditioning',
where the room evaporator and the outside condenser are split and not within a
combined unit.
Trv's
Thermostatic radiator valve. A room temperature sensing valve on a radiator,
which locally switches off the radiator at a preset temperature.
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Plumbing Kent
BR6 BR8 CT1 CT10 CT11 CT12 CT13 CT14 CT15 CT16 CT17 CT18 CT19
CT2 CT20 CT21 CT3 CT4 CT5 CT6 CT7 CT8 CT9 DA1 DA10 DA11 DA12
DA13 DA2 DA3 DA4 DA9 ME1 ME10 ME11 ME12 ME13 ME14 ME15 ME16 ME17
ME18 ME19 ME2 ME20 ME3 ME4 ME5 ME6 ME7 ME8 ME9 TN1 TN10 TN11
TN12 TN13 TN14 TN15 TN16 TN17 TN18 TN2 TN23 TN24 TN25 TN26 TN27
TN28 TN29 TN3 TN30 TN4 TN8 TN9
Plumbing South East London
SE1 SE2 SE3 SE4 SE5 SE7 SE8 SE9 SE10 SE11 SE12 SE13 SE14 SE15
SE16 SE17 SE18 SE19 SE20 SE21 SE22 SE23 SE24 SE25 SE26 SE27 SE28
Plumbing East London
E1 E2 E3 E4 E5 E6 E7 E8 E9 E10 E11 E12 E13 E14 15 E16 E17 E18 |
