Should I Install a Pressurised Water Tank? | GK Plumbing

An indirect unvented cylinder is a water tank that has a connection from your boiler to the tank. The boiler will heat the water which is in the tank. The tank is then able to distribute pressurised hot water. Most unvented systems will have an inlet pipe that sends the hot water through a spiral coil. The coil will transfer the hot water that runs through the pipe to the cold water that is

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Boiler feedwater - Wikipedia

Boiler water must be treated in order to be proficient in producing steam. Boiler water is treated to prevent scaling, corrosion, foaming, and priming. Chemicals are put into boiler water through the chemical feed tank to keep the water within chemical range. These chemicals are mostly oxygen scavengers and phosphates. The boiler water also has

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uniSTOR | Cylinders | Vaillant UK

Vaillant uniSTOR unvented cylinders can be used when converting from an open vented system (with a cold water tank in the loft) to a sealed system (boiler and cylinder system). Converting to a sealed system can help save space e.g. during loft conversions etc when there is no room for a tank, and in most cases will provide higher water pressure at your taps and shower.

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The Feedtank and Feedwater Conditioning | Spirax Sarco

British Standards BS 2486 recommends pH 10.5 - 12.0 for shell boilers @ 10 bar, pH 9 could be used in higher pressure boilers only. To condition any suspended matter. This will be a flocculant or coagulant, which will cause the suspended matter to agglomerate and sink to the bottom of the boiler from where it can be blown down.

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Hot Water Cylinders | Vaillant UK

A hot water cylinder is a well-insulated tank which stores water after it's been heated. Water is heated through your boiler system and is then stored, at temperature, ready for you to use whenever it's needed. By storing hot water in this way, there's no need to run the heating system constantly resulting in lower energy bills, without subjecting household members to cold showers.

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