... heat exchanger inside the cylinder has 3 air locks which are in place in order to stop the mixing of the primary & secondary waters. No additives should be used when installing this system. Cold Water System For the cold water system in this property, the tank must be well insulated and well supported together with a dustproof cover in order to avoid contamination. This is vitally important in a dwelling as there will be limited cold water usage in a house this size, the normal of 90 litres/person/day will apply but it is likely that there will be only 3/4 people living in this house. For the storage, only a small tank would be required as the mains water pressure would be enough to pump the water to any point of the house. The cold water storage tank would link to the hot water cylinder as the way of getting ...

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