{"title":"WABACK NON-RETURN CHAMBER","description":"\u003cp\u003eThe \u003cstrong\u003eWaBack® Non-Return Chamber\u003c\/strong\u003e is a complete, pre-assembled backflow prevention solution for residential and commercial drainage. Provides protection within a ready-made chamber housing — quick to install, no electricity required. Distributed across the UK and Ireland by NordSeal. \u003ca href=\"\/pages\/contact\"\u003eContact us\u003c\/a\u003e for specifications.\u003c\/p\u003e","products":[{"product_id":"wb200-600-dn-od-200","title":"WB200-600 - DN\/OD 200","description":"\u003cp\u003eThe WaBack non-return chamber is a tried-and-tested product that provides immediate and automatic protection against backflow. The product is usually used as protection against basement flooding, and is fitted to service pipes and pipe networks. Used against overload and flooding in drains and as protection against backflow of surface water and waste water. The product is used to advantage in extremely polluted water, and can thus be used in both sewer and stormwater systems. The flow area is completely open, to ensure blockages are prevented.\u003c\/p\u003e\n\u003c!-- ns-spec:start --\u003e\u003cdiv class=\"ns-spec\" style=\"margin-top:28px;border-top:1px solid #e6e9ee;padding-top:22px\"\u003e\n\u003ch3 style=\"font-size:20px;color:#0d1b2a;margin:0 0 14px\"\u003eTechnical specification\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;font-size:14.5px;line-height:1.5\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eNominal diameter\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eDN\/OD 200 (NPS\/OD 8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e26 kg (57.3 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eChamber diameter (CØ)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e600 mm (23.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eDimension\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e200 mm (7.9 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eL\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e990 mm (39 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eRiser diameter (RØ)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e600 mm (23.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eMin. invert-ground (min. I-G)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e650 mm (25.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eClosing head\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e145 mm H₂O (5.7 inh2o)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003ePipe connection\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e200 PE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eWatertightness\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEN 13564\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eBracket\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e316L stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eChamber\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePolyethylene (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eDamper\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eFasteners mtrl.\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e316L stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eFloat\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePolyethylene (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eFoam Seal\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePe-Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eO-ring\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eSliding Plate\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eRubber joint\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"margin-top:20px;display:flex;flex-wrap:wrap;gap:10px\"\u003e\n\u003ca href=\"https:\/\/files.wapro.io\/waback\/tech-spec_wb_en-gb.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1.5px solid #019ee3;border-radius:8px;color:#019ee3;font-weight:600;text-decoration:none;font-size:14px\"\u003e↓ Product sheet (PDF)\u003c\/a\u003e\u003ca href=\"https:\/\/files.wapro.io\/waback\/wb200-600\/tech-spec_wb200-600_en-gb.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1.5px solid #019ee3;border-radius:8px;color:#019ee3;font-weight:600;text-decoration:none;font-size:14px\"\u003e↓ Technical specification (PDF)\u003c\/a\u003e\u003ca href=\"https:\/\/files.wapro.io\/waback\/wb200-600\/wb200-600_en.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1.5px solid #019ee3;border-radius:8px;color:#019ee3;font-weight:600;text-decoration:none;font-size:14px\"\u003e↓ Dimensional drawing (PDF)\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c!-- ns-spec:end --\u003e","brand":"Nord Seal","offers":[{"title":"Default Title","offer_id":47822556430550,"sku":null,"price":4220.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/5446\/2422\/files\/Untitled_design_95.png?v=1770483747"},{"product_id":"wb160-600-dn-od-160","title":"WB160-600 - DN\/OD 160","description":"\u003cp\u003eThe WaBack non-return chamber is a tried-and-tested product that provides immediate and automatic protection against backflow. The product is usually used as protection against basement flooding, and is fitted to service pipes and pipe networks. Used against overload and flooding in drains and as protection against backflow of surface water and waste water. The product is used to advantage in extremely polluted water, and can thus be used in both sewer and stormwater systems. The flow area is completely open, to ensure blockages are prevented.\u003c\/p\u003e\n\u003c!-- ns-spec:start --\u003e\u003cdiv class=\"ns-spec\" style=\"margin-top:28px;border-top:1px solid #e6e9ee;padding-top:22px\"\u003e\n\u003ch3 style=\"font-size:20px;color:#0d1b2a;margin:0 0 14px\"\u003eTechnical specification\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;font-size:14.5px;line-height:1.5\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eNominal diameter\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eDN\/OD 160 (NPS\/OD 6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e24 kg (52.9 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eChamber diameter (CØ)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e600 mm (23.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eDimension\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e160 mm (6.3 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eL\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e990 mm (39 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eRiser diameter (RØ)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e600 mm (23.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eMin. invert-ground (min. I-G)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e650 mm (25.6 in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eClosing head\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e145 mm H₂O (5.7 inh2o)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003ePipe connection\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e160 PE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eWatertightness\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEN 13564\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eBracket\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e316L stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eChamber\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePolyethylene (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eDamper\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eFasteners mtrl.\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003e316L stainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eFloat\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePolyethylene (PE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eFoam Seal\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePe-Foam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eO-ring\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eSliding Plate\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003ePVC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px 14px 6px 0;color:#5f6e80;white-space:nowrap\"\u003eRubber joint\u003c\/td\u003e\n\u003ctd style=\"padding:6px 0;font-weight:600;color:#0d1b2a\"\u003eEPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"margin-top:20px;display:flex;flex-wrap:wrap;gap:10px\"\u003e\n\u003ca href=\"https:\/\/files.wapro.io\/waback\/tech-spec_wb_en-gb.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1.5px solid #019ee3;border-radius:8px;color:#019ee3;font-weight:600;text-decoration:none;font-size:14px\"\u003e↓ Product sheet (PDF)\u003c\/a\u003e\u003ca href=\"https:\/\/files.wapro.io\/waback\/wb160-600\/tech-spec_wb160-600_en-gb.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1.5px solid #019ee3;border-radius:8px;color:#019ee3;font-weight:600;text-decoration:none;font-size:14px\"\u003e↓ Technical specification (PDF)\u003c\/a\u003e\u003ca href=\"https:\/\/files.wapro.io\/waback\/wb160-600\/wb160-600_en.pdf\" target=\"_blank\" rel=\"noopener\" style=\"display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border:1.5px solid #019ee3;border-radius:8px;color:#019ee3;font-weight:600;text-decoration:none;font-size:14px\"\u003e↓ Dimensional drawing (PDF)\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c!-- ns-spec:end --\u003e","brand":"Nord Seal","offers":[{"title":"Default Title","offer_id":47822556561622,"sku":null,"price":3360.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0793\/5446\/2422\/files\/Untitled_design_95.png?v=1770483747"}],"url":"https:\/\/nordseal.com\/collections\/waback-non-return-chamber.oembed","provider":"NordSeal","version":"1.0","type":"link"}