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Official Condensing Boiler Information Blog
Official Oil Boiler Information Blog Oil boilers are typically fuelled by regular or premium kerosene - also known as "paraffin" or "28 second burning oil" - which is produced after the distillation of crude oil. This is in contrast to the less combustible gas oil - also known as "red diesel" or "35 second burning oil" - used in agriculture and industry. Oil boilers are expensive, there's no getting away from it but they are very efficient. The Grant 36kW Vortex Condensing Boiler is 97% efficient compared to the best natural gas boiler which has 91.3% efficiency. Oil boilers are usually floor standing with either balanced, low level discharge or conventional flues i.e.; into an existing chimney. Outdoor oil fired condensing boilers are also available. Oil boilers are very efficient but offer less choice of heating systems than gas. In order to run an oil boiler you need a tank installed outside your house, which is usually large and needs to conform to a variety of regulations. Oil boilers are sometimes not as favorable as gas equivalents however they do provide as much efficiency, in fact they are generally more efficient than a like for like gas boiler. For example modern non-condensing gas boilers are generally no more than 75% efficient whereas the oil equivalent is around 82% efficient. Oil boilers are a mature market. There are perhaps a million of them dotted around the country, mostly in out of the way locations where mains gas can't reach.
Offical Hot Water Cylinders Information Blog Hot Water Cylinders are the key component in most Central heating and hot water systems. The type of cylinder you choose will depend on many factors including the size of your property, the type of boiler you have and the number of bathrooms and hot water outlest you have. View our large collection of Copper Cylinders and Stainless Steel Cylinders for your hot water needs - all Discounted Heatings Hot Water Cylinders at very low internet prices. Unvented Hot Water Cylinders (also known as mains pressurised hot water cylinders) are the most popular of cylinders for a new central heating system especially if you have a good mains water pressure. If you are considering a solar heating installation take a look at our Twin Coil Cylinder range.
Traditional Hot Water cylinder
The traditional hot water cylinder is used in many family households in the UK and is suitable for a variety of heating systems e.g. electric,coal oil and gas fired heating systems. The cylinder is fed by a cold-water storage cistern usually located in the attic, which provides a greater head of water, thus a higher flow rate at the taps, than combination type cylinders. Combination Hot Water cylinder
A combination water storage cylinder has its own cold-water header tank fitted on top of the hot water cylinder. They come in a variety of sizes, 115 litres of hot water storage being the most common with 20 -115 litres of cold storage on top depending on the circumstances Intergrating a cold water cistern and a hot water cylinder in a compact all-copper unit, are an effective way of providing adequate supplies of hot water when storage space is limited, it also enables a 'dry loft' thus lessening the risk of freezing. This system is ideal for rented accommodation due to is low maintenance requirement, or partially used properties where frequent draining and re filling by the owner is required. Direct Hot Water cylinder
Hot water from the boiler circulates directly through the cylinder. Alternatively used for all electric immersion heater operation. With a direct cylinder the water is heated directly via an electric immersion element, or from a remote heating boiler, which has been designed for water heating only, for example a copper coal fired back boiler. This is the simplest form of water heating, it gets its name from the fact that the water drawn from the hot taps has been directly heated via the boiler, i.e. the stored water has been through the copper back boiler or around the immersion coil and is then used for bathing. Indirect Hot Water cylinder Hot water from the boiler circulates through a heat exchanger (usually a coil) within the cylinder. Avoids the problems of mixing boiler water with the water in the storage vessel. With an indirect water heating system and cylinder, the water that circulates around the boiler, pipes and radiators is kept totally separate from the stored water in the cylinder that is used for bathing. Heating system components are generally made of a mixture of metals including iron and steel. Oxygen and water are very corrosive and heating systems need to be protected with chemicals to reduce the threat of corrosion. The water for bathing is kept separate from the heating system water by use of an indirect heating coil or heat exchanger. |
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