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Hot water cylinders are used to heat water in the home. Hot water cylinders are usually divided into two broad categories. This variety confuses some consumers because they do not know enough information about what to look for in these products to make a wise purchase. As a result, here is a brief shopper's guide about buying hot water cylinders that can help consumers find the hot water unit that meets their needs. It includes information about the basic types of cylinders on the market and information about some of the accessories that are used to increase the usability of a hot water cylinder. Vented and Unvented hot water cylinders: The easiest way to compare cylinders that produce hot water is to compare how they are constructed. One group of cylinders have at least one vent pipe that is used to regulate the amount of pressure that builds up round the cylinder's cistern. These cylinders are called vented cylinders. They produce hot water by drawing cold water from its tank and heating it with a heat exchange unit. The advantage of this type of cylinder is that it is cheaper to maintain. Cylinders that do not use vent pipes to regulate water pressure are called unvented cylinders. These cylinders use valves to regulate the amount of pressure that surrounds the unit. They produce hot water directly by heating water that's been drawn from the home's main water supply. The advantage of this is that it takes up less space. Size and Safety: DIY stores sell hot water units in varying sizes. These units are usually available in the heating and plumbing department. The most common hot water units hold about 100 litres to 300 litres of hot water. However, consumers can sometimes find hot water units that can hold up to 400 litres of hot water. Moreover, all hot water units sold by DIY stores are rated for safety by measuring the unit's ability to withstand at least 25 bars of pressure around its cistern. As a result, consumers can feel confident about the safety of the hot water units they purchase from them. Accessories: There are various accessories that can make your hot water unit more useful for your needs. You can purchase expansion vessels that can be used to increase the holding capacity of the hot water unit. These items are sometimes sold with mounting brackets that are used to hold the tank to the hot water unit. You can also purchase heater units and thermostats for their hot water units. These items include immersion heaters, heat exchange units and several types of thermostats. Finally, browse around the DIY stores both offline and online to get a good idea of all the accessories available then you can make an informed decision on which ones you really need. Company Profile: Screwfix is the UK's largest direct and online supplier of trade tools, accessories and hardware products. With over 30 years’ experience in the industry, we despatch tens of thousands of parcels every week for next day and weekend delivery to tradesmen, handymen and serious DIY enthusiasts all over the UK. To view the full range of hot water cylinders from Screwfix please visit the website here - www.screwfix.com/c/heating-plumbing/cylinders-accessories/cat830956.
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