热水储存容量在65升至180升之间的直接、双进料间接和单进料间接装置的要求。交叉引用:BS 417:1BS 417:2BS 476:4BS 593BS 699BS 864:2BS 1212:1BS 1212:2BS 1453BS 1565:1BS 1565:2BS 1566:2BS 1566:2BS 1845BS 1968BS 2456BS 2777BS 2779BS 2870BS 2871:1BS 2901BS 3456:2.2.1BS 3955:2BS 4213BS 4735BS 4781:1BS 5546

Requirements for direct, double feed indirect and single feed indirect types of units having hot water storage capacities of between 65 litres and 180 litres.Cross References:BS 417:Part 1BS 417:Part 2BS 476:Part 4BS 593BS 699BS 864:Part 2BS 1212:Part 1BS 1212:Part 2BS 1453BS 1565:Part 1BS 1565:Part 2BS 1566:Part 1BS 1566:Part 2BS 1845BS 1968BS 2456BS 2777BS 2779BS 2870BS 2871:Part 1BS 2901BS 3456:Section 2.2.1BS 3955:Section 2BBS 4213BS 4735BS 4781:Part 1BS 5546