FERROLI 39821460 EXPANSION VESSEL 12 LITRE - ARENA 20 - 30A
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Buy your Ferroli 39821460 - Arena 20 - 30a Expansion Vessel 12 Litre today, with a fast UK delivery..
Previous Ferroli Part Codes: 802790, 36802790, 3680279/0
The Ferroli Arena 20 - 30A expansion vessel is a device to handle the expansion of water in a heating system or hot water system due to increases in temperature. When water increases in temperature it expands, in particular when it is stored under pressure such as in a sealed heating system or an unvented hot water cylinder. Expansion tanks typically contain a cylinder or disc which is divided inside into two compartments separated with a rubber sheet, known as the diaphragm. Inside the expansion vessels there is water on one side of the diaphragm and air or an inert gas such as nitrogen under pressure on the other side. An air valve much like those found on bike and car tyres is typically provided on the air side to allow the system to be re-pressurised., Ferroli Expansion Vessel Are Dispatched Same Day, For Next Working Day Delivery
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