The “standard” O-ring for a 10-inch Big Blue (High Flow)<\/b> filter housing is specifically designed to fit the wider 4.5-inch diameter<\/b> sump. Unlike standard slimline housings that use a thin cord, Big Blue O-rings are significantly thicker to handle the higher water volume and pressure.<\/p>\n
There are two primary “standards” you need to be aware of when buying a replacement: Single O-ring<\/b> (the original standard) and Double O-ring<\/b> (common in newer “Domestic Range” high-pressure models).<\/p>\n The “standard” O-ring for a 10-inch Big Blue (High Flow) filter housing is specifically designed to fit the wider 4.5-inch diameter sump. Unlike standard slimline housings that use a thin cord, Big Blue O-rings are significantly thicker to handle the higher water volume and pressure. There are two primary “standards” you need to be aware […]<\/p>\n","protected":false},"featured_media":2669,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[444,360],"product_tag":[],"class_list":["post-1274","product","type-product","status-publish","has-post-thumbnail","product_cat-point-of-entry-big-blue","product_cat-product-by-brand","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/product\/1274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/product"}],"about":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1274"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/media\/2669"}],"wp:attachment":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1274"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=1274"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=1274"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=1274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nTechnical Specifications (Standard Single O-ring)<\/b><\/h2>\n
\n\n
\n Feature<\/strong><\/td>\n Specification<\/strong><\/td>\n<\/tr>\n<\/thead>\n\n \n Common Part Number<\/b><\/span><\/td>\n OR-B-1 \/ 151122 (Pentek Standard)<\/span><\/td>\n<\/tr>\n \n Material<\/b><\/span><\/td>\n Nitrile (Buna-N) or EPDM (Food Grade)<\/span><\/td>\n<\/tr>\n \n Inside Diameter (ID)<\/b><\/span><\/td>\n Approx. 5.45″ \u2013 5.5″ (138mm \u2013 140mm)<\/span><\/td>\n<\/tr>\n \n Outside Diameter (OD)<\/b><\/span><\/td>\n Approx. 5.75″ (146mm)<\/span><\/td>\n<\/tr>\n \n Thickness (Cross Section)<\/b><\/span><\/td>\n 0.20″ \u2013 0.21″ (approx. 5.3mm)<\/span><\/td>\n<\/tr>\n \n Color<\/b><\/span><\/td>\n Black (Standard) or Blue (High Temp)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"