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BS 699 84th Edition, July 31, 1984
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Specification for Copper Direct Cylinders for Domestic Purposes
Includes all amendments and changes through Amendment 2, September 1990
Additional Comments: * W/D S/S AS BS 1566-1
Page Count:18
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Requirements for copper direct cylinders with capacities of between 74 and 450 litres, for storage of hot water. Covers 4 grades and 16 sizes including a size 9E suitable for use with off-peak electric water heating systems. Other aspects covered include factory applied insulation and protector rods.