{"id":212617,"date":"2024-10-19T13:45:46","date_gmt":"2024-10-19T13:45:46","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-31981981\/"},"modified":"2024-10-25T06:37:00","modified_gmt":"2024-10-25T06:37:00","slug":"bs-31981981","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-31981981\/","title":{"rendered":"BS 3198:1981"},"content":{"rendered":"

This British Standard specifies requirements for direct, double feed indirect and single feed indirect types of combination hot water storage units having hot water storage capacities in a series of ranges between 65 litres and 210 litres, in which, when water is drawn off from the hot water storage vessel, there is automatically:<\/p>\n

    \n
  1. replacement of water withdrawn by that from a cold water feed cistern incorporated in the unit and adjacent to the hot water vessel; and<\/li>\n
  2. controlled replacement of the water in the cold water feed cistern from the water supply by means of a float operated valve.<\/li>\n<\/ol>\n

    NOTE The preferred hot water storage capacities are 85, 115, 130, 140, 150, 180 and 210 litres.<\/p>\n

    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.<\/p>\n","protected":false},"excerpt":{"rendered":"

    Specification for copper hot water storage combination units for domestic purposes<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    BSI<\/b><\/a><\/td>\n1981<\/td>\n22<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":212621,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1277,2641],"product_tag":[],"class_list":{"0":"post-212617","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-140-60","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/212617","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/212621"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=212617"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=212617"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=212617"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}