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Radiators |
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Home > Central Heating > Radiators |
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This web page:
· Describes what radiators are.
· Describes the main parts of a radiator.
· Describes what can go wrong with radiators.
· Provides links to further information about central heating problems. |
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What They Are – Radiators
A radiator is a device that transmits something. A central heating radiator transmits heat.
The Main Parts And What They Are For
The image below shows the main parts of a central heating radiator.
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Lockshield valve – A lockshield valve controls the flow of water through a radiator. A lockshield valve can increase or decrease the flow of water that flows through a radiator. A lockshield valve is used to ‘balance a central heating system’.
Thermostatic Radiator Valve (TRV) – a TRV controls the flow of water through a radiator depending on the temperature of the surrounding room, i.e. a TRV is temperature sensitive.
The main difference between a lockshield valve and a TRV is that a TRV controls the flow of water to a radiator depending on the temperature of the surrounding room. A lockshield valve does not take any account of temperature.
Radiator bleed valve – the radiator bleed valve is used to remove air from a central heating radiator.
Indents – indents increase the surface area of a radiator, if you increase the surface area of a radiator the amount of heat given off increases.
What Can Go Wrong With A Radiator
Cold spots on radiator – sludge in radiators.
All of radiator cold of a large part of the radiator (usually the top) cold – bleed the radiator.
All radiator cold, radiator making a noise, radiator not hot all over – blocked radiator.
Radiator problems links:
Hot Radiators Upstairs But Not Downstairs
Central heating Links
Central Heating Timer Problems
Central Heating Boiler Problems
Central Heating Troubleshooting Tips
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