{"id":1284,"date":"2025-06-17T04:58:58","date_gmt":"2025-06-17T04:58:58","guid":{"rendered":"https:\/\/tqwater.co.za\/?product=836simpletqfh-std-oringbig-blue-spanner-20"},"modified":"2026-03-25T14:17:59","modified_gmt":"2026-03-25T14:17:59","slug":"836simpletqfh-std-oringbig-blue-spanner-20","status":"publish","type":"product","link":"https:\/\/tqwater.co.za\/?product=836simpletqfh-std-oringbig-blue-spanner-20","title":{"rendered":"Big Blue 20 inch Spanner (Wrench)"},"content":{"rendered":"

The <\/span>Big Blue 20″ Spanner (Wrench)<\/span><\/b> is the essential tool for any whole-house water system.<\/span> Because 20-inch Big Blue housings hold a massive volume of water, the seal can become extremely tight over time due to pressure and mineral buildup.<\/p>\n

Heavy-Duty Big Blue Spanner<\/h2>\n

Professional Torque for 10″ & 20″ Jumbo Housings<\/h3>\n

Stop struggling with stuck filters. Our <\/span>Big Blue Spanner<\/span><\/b> is engineered to provide the leverage necessary to unscrew even the most stubborn 20-inch Jumbo sumps.<\/span> Made from high-impact, reinforced plastic, this wrench is designed to grip the vertical ribs of your housing securely without slipping or stripping the casing.<\/p>\n

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[The Design] Built for High Torque<\/h3>\n
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    Reinforced Handle:<\/span><\/b> Designed with a thick, ergonomic grip that won’t flex or snap under pressure.<\/span><\/p>\n

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    Large Diameter Fit:<\/b> Specifically sized for the 4.5″ wide (Jumbo)<\/b> series housings. It fits both the 10″ Big Blue and the 20″ Big Blue models.<\/span><\/p>\n

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    Rib-Lock Technology:<\/b> The inner teeth of the wrench are spaced perfectly to lock onto the external ribs of the housing sump, ensuring 360-degree distribution of force.<\/p>\n<\/li>\n

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    Corrosion-Proof:<\/b> Constructed from high-density polypropylene\u2014it won’t rust and can be stored in damp pump rooms or under-sink cabinets indefinitely.<\/p>\n<\/li>\n<\/ul>\n

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    The “Stuck Housing” Recovery Guide<\/h3>\n

    If your 20″ Big Blue housing is impossible to move, follow these professional steps:<\/p>\n

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    1. \n

      Release Pressure First:<\/b> Turn off the main water supply and press the red pressure relief button<\/b> on top of the housing. If you don’t release the pressure, the housing will stay locked tight.<\/p>\n<\/li>\n

    2. \n

      Use Two Hands:<\/b> Place the wrench as high up on the sump as possible (closer to the threads) to prevent the plastic from twisting.<\/p>\n<\/li>\n

    3. \n

      The “Lube” Secret:<\/b> When you put it back together, use Food-Grade Silicone Grease<\/b> on the O-ring. This ensures that next year, the housing will unscrew with one hand.<\/p>\n<\/li>\n<\/ol>\n

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      Why You Need a Spare<\/h3>\n

      Nothing stops a maintenance job faster than a snapped wrench. For commercial sites or remote properties, having a backup spanner is highly recommended, as the plastic can become brittle after years of exposure to UV or extreme temperatures.<\/p>\n

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      Technical Specifications<\/h3>\n\n\n\n\n\n\n\n\n\n
      Feature<\/strong><\/td>\nSpecification<\/strong><\/td>\n<\/tr>\n<\/thead>\n
      Compatible Housing<\/b><\/span><\/td>\nBig Blue \/ Jumbo (4.5″ wide filters)<\/span><\/td>\n<\/tr>\n
      Vessel Lengths<\/b><\/span><\/td>\nFits both 10-inch and 20-inch Big Blue<\/span><\/td>\n<\/tr>\n
      Material<\/b><\/span><\/td>\nHigh-Impact Reinforced ABS\/Polypropylene<\/span><\/td>\n<\/tr>\n
      Inside Diameter<\/b><\/span><\/td>\nApprox. 150mm (Jumbo Standard)<\/span><\/td>\n<\/tr>\n
      Color<\/b><\/span><\/td>\nBlack or Blue<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

      The Big Blue 20″ Spanner (Wrench) is the essential tool for any whole-house water system. Because 20-inch Big Blue housings hold a massive volume of water, the seal can become extremely tight over time due to pressure and mineral buildup. Heavy-Duty Big Blue Spanner Professional Torque for 10″ & 20″ Jumbo Housings Stop struggling with […]<\/p>\n","protected":false},"featured_media":2666,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[444,360],"product_tag":[],"class_list":["post-1284","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\/1284","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=1284"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=\/wp\/v2\/media\/2666"}],"wp:attachment":[{"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1284"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_brand&post=1284"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_cat&post=1284"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/tqwater.co.za\/index.php?rest_route=%2Fwp%2Fv2%2Fproduct_tag&post=1284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}