
SPECIFICATION FOR UNVENTED HOT WATER STORAGE UNITS AND PACKAGES
出版:British Standards Institution

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Gives requirements for units and packages heated directly by gas or electricity or heated indirectly, with water cylinders of 15 litres to 50 litres capacity, minimum opening pressure of 1.0 bar and maximum working pressure of 3 or 6 bar and which are fitted with safety devices to prevent water from exceeding 100 degrees centigrade.