{"product_id":"sentinel-x700-biocide-1-litre-underfloor-heating-bacteria-fungi-protection","title":"Sentinel X700 Biocide 1 Litre - Underfloor Heating Bacteria \u0026 Fungi Protection","description":"\u003c!-- SEO Product Name: Sentinel X700 Biocide 1 Litre - Underfloor Heating Bacteria \u0026 Fungi Protection - X700 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; line-height:1.6; color:#1a1a1a;\"\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSentinel X700 Biocide\u003c\/strong\u003e (MPN \u003cstrong\u003eX700\u003c\/strong\u003e) is a specialist treatment formulated to \u003cstrong\u003eprotect underfloor heating systems from biological contamination\u003c\/strong\u003e caused by bacteria and fungi. Due to their lower operating temperatures and slower flow rates compared to traditional radiator systems, underfloor circuits are more susceptible to microbial growth if left untreated - which can lead to \u003cstrong\u003eblocked pipework, restricted manifold ports, unpleasant odours, and internal corrosion\u003c\/strong\u003e. X700 is dosed alongside Sentinel X100 Inhibitor to keep pipework clear and heat distribution reliable across every zone.\u003c\/p\u003e\n\n      \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:20px 0;\"\u003e\n        \n        \u003cdiv style=\"flex:1 1 150px; background-color:#008377CF; color:#ffffff; padding:14px 10px; border-radius:6px; text-align:center; min-width:140px;\"\u003e\n          \u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e1 Litre\u003c\/div\u003e\n          \u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003ePack Size\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 150px; background-color:#008377CF; color:#ffffff; padding:14px 10px; border-radius:6px; text-align:center; min-width:140px;\"\u003e\n          \u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eUnderfloor Heating\u003c\/div\u003e\n          \u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eSystem Type\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 150px; background-color:#008377CF; color:#ffffff; padding:14px 10px; border-radius:6px; text-align:center; min-width:140px;\"\u003e\n          \u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e1L per 300L System\u003c\/div\u003e\n          \u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eDose Rate\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 150px; background-color:#008377CF; color:#ffffff; padding:14px 10px; border-radius:6px; text-align:center; min-width:140px;\"\u003e\n          \u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003e30 Minutes\u003c\/div\u003e\n          \u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eCirculation Time\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 150px; background-color:#008377CF; color:#ffffff; padding:14px 10px; border-radius:6px; text-align:center; min-width:140px;\"\u003e\n          \u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003ePrimary Circuit Only\u003c\/div\u003e\n          \u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003eUse Location\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 150px; background-color:#008377CF; color:#ffffff; padding:14px 10px; border-radius:6px; text-align:center; min-width:140px;\"\u003e\n          \u003cdiv style=\"font-size:20px; font-weight:700; line-height:1.2;\"\u003eX100 Inhibitor\u003c\/div\u003e\n          \u003cdiv style=\"font-size:12px; margin-top:4px; opacity:0.9;\"\u003ePairs With\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"border-left:5px solid #c0392b; background-color:#fdecea; padding:12px 16px; border-radius:4px; margin:16px 0;\"\u003e\n        \u003cstrong style=\"color:#c0392b;\"\u003eCorrosive Product - Handle With Care\u003c\/strong\u003e\n        \u003cdiv style=\"margin-top:6px; font-size:15px; line-height:1.5;\"\u003eSentinel X700 is classified as \u003cstrong\u003ecorrosive to metals and to skin, and causes serious eye damage\u003c\/strong\u003e, and is hazardous to the aquatic environment. Suitable \u003cstrong\u003eprotective clothing, gloves and eye protection must be worn\u003c\/strong\u003e when handling, and the product must not enter drains or watercourses. Always read the safety data sheet before use.\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"border-left:5px solid #b8860b; background-color:#fdf6e3; padding:12px 16px; border-radius:4px; margin:16px 0;\"\u003e\n        \u003cstrong style=\"color:#b8860b;\"\u003ePrimary Circuit Use Only\u003c\/strong\u003e\n        \u003cdiv style=\"margin-top:6px; font-size:15px; line-height:1.5;\"\u003eThis product is \u003cstrong\u003eonly for use in the primary circuit of underfloor heating systems\u003c\/strong\u003e and should \u003cstrong\u003enot be mixed with other cleaning products\u003c\/strong\u003e other than those specifically approved by Sentinel.\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"border-left:5px solid #008377CF; background-color:#e6f6f5; padding:12px 16px; border-radius:4px; margin:16px 0;\"\u003e\n        \u003cstrong style=\"color:#008377CF;\"\u003eDosing Instructions\u003c\/strong\u003e\n        \u003cdiv style=\"margin-top:6px; font-size:15px; line-height:1.5;\"\u003eIn new systems, add \u003cstrong\u003e1 litre of X700 during the final fill\u003c\/strong\u003e. In larger systems, dose at \u003cstrong\u003e1 litre per 300 litres of system volume\u003c\/strong\u003e, and circulate for \u003cstrong\u003e30 minutes\u003c\/strong\u003e to ensure complete distribution.\u003c\/div\u003e\n      \u003c\/div\u003e\n\n      \u003cdiv style=\"display:flex; flex-wrap:wrap; gap:12px; margin:20px 0;\"\u003e\n        \n        \u003cdiv style=\"flex:1 1 260px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px; min-width:240px;\"\u003e\n          \u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003ePurpose-Built for Underfloor Systems\u003c\/div\u003e\n          \u003cdiv style=\"font-size:14px; line-height:1.5;\"\u003eSpecifically formulated to address the \u003cstrong\u003elower operating temperatures and slower flow rates\u003c\/strong\u003e of underfloor heating circuits, which make them more vulnerable to microbial growth than standard radiator systems.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px; min-width:240px;\"\u003e\n          \u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003ePrevents Blockages and Odours\u003c\/div\u003e\n          \u003cdiv style=\"font-size:14px; line-height:1.5;\"\u003eControls the bacterial and fungal contamination responsible for \u003cstrong\u003eblocked pipework, restricted manifold ports, and unpleasant odours\u003c\/strong\u003e in affected systems.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px; min-width:240px;\"\u003e\n          \u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eProtects Against Internal Corrosion\u003c\/div\u003e\n          \u003cdiv style=\"font-size:14px; line-height:1.5;\"\u003eHelps prevent the \u003cstrong\u003einternal corrosion\u003c\/strong\u003e that biological contamination can cause within underfloor heating pipework over time.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px; min-width:240px;\"\u003e\n          \u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eCompatible with X100 Inhibitor\u003c\/div\u003e\n          \u003cdiv style=\"font-size:14px; line-height:1.5;\"\u003eDesigned to be used \u003cstrong\u003ealongside Sentinel X100 Inhibitor\u003c\/strong\u003e at first fill or following a full system clean, for combined biological and corrosion\/scale protection.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px; min-width:240px;\"\u003e\n          \u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eLong-Lasting Protection\u003c\/div\u003e\n          \u003cdiv style=\"font-size:14px; line-height:1.5;\"\u003eProvides \u003cstrong\u003elong-lasting protection\u003c\/strong\u003e against bacteria and fungi once correctly dosed and circulated through the system.\u003c\/div\u003e\n        \u003c\/div\u003e\n        \u003cdiv style=\"flex:1 1 260px; border:1px solid #e0e0e0; border-radius:6px; padding:14px 16px; min-width:240px;\"\u003e\n          \u003cdiv style=\"color:#008377CF; font-weight:700; font-size:15px; margin-bottom:6px;\"\u003eQuick to Dose\u003c\/div\u003e\n          \u003cdiv style=\"font-size:14px; line-height:1.5;\"\u003eA straightforward dosing process that is \u003cstrong\u003eeasy and quick to apply\u003c\/strong\u003e either at first fill or as part of scheduled system maintenance.\u003c\/div\u003e\n        \u003c\/div\u003e\n      \u003c\/div\u003e\n      \u003ctable style=\"width:100%; border-collapse:collapse; margin:20px 0; font-size:14px;\"\u003e\n        \n        \u003ctr\u003e\n          \u003ctd colspan=\"2\" style=\"background-color:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px; border:1px solid #008377CF;\"\u003eProduct Identity\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eManufacturer\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eSentinel (Sentinel Performance Solutions)\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#ffffff;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eProduct Name\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eSentinel X700 Biocide\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eMPN\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eX700\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd colspan=\"2\" style=\"background-color:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px; border:1px solid #008377CF;\"\u003eApplication\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eIntended Use\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eUnderfloor heating primary circuits\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#ffffff;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eRecommended Pairing\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eSentinel X100 Inhibitor\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eNot Suitable For\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eMixing with other cleaning products not specified by Sentinel\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd colspan=\"2\" style=\"background-color:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px; border:1px solid #008377CF;\"\u003eDosage\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eNew Systems\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003e1 litre during final fill\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#ffffff;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eLarger Systems\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003e1 litre per 300 litres system volume\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eCirculation Time\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003e30 minutes minimum for full distribution\u003c\/td\u003e\n          \u003c\/tr\u003e\n        \u003ctr\u003e\n          \u003ctd colspan=\"2\" style=\"background-color:#008377CF; color:#ffffff; font-weight:700; padding:8px 12px; border:1px solid #008377CF;\"\u003eSafety Classification (per SDS)\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eCorrosive to Metals\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eCategory 1\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#ffffff;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eSkin Corrosion\/Irritation\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eCategory 2\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eSerious Eye Damage\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eCategory 1\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#ffffff;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003eAquatic Hazard\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eAcute Category 1 \/ Chronic Category 3\u003c\/td\u003e\n          \u003c\/tr\u003e\n          \u003ctr style=\"background-color:#f7f7f7;\"\u003e\n            \u003ctd style=\"padding:8px 12px; font-weight:600; border:1px solid #e5e5e5; width:40%;\"\u003ePPE Required\u003c\/td\u003e\n            \u003ctd style=\"padding:8px 12px; border:1px solid #e5e5e5;\"\u003eProtective clothing, gloves, eye protection\u003c\/td\u003e\n          \u003c\/tr\u003e\n      \u003c\/table\u003e\n      \u003cdiv style=\"margin:24px 0;\"\u003e\n        \n      \u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n        \u003csummary style=\"background-color:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eWhy do underfloor heating systems need a biocide?\u003c\/summary\u003e\n        \u003cdiv style=\"padding:12px 14px; font-size:14px; line-height:1.6;\"\u003eUnderfloor circuits run at \u003cstrong\u003elower temperatures and slower flow rates\u003c\/strong\u003e than radiator systems, which makes them more susceptible to bacterial and fungal contamination if left untreated.\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n        \u003csummary style=\"background-color:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eHow much X700 do I need?\u003c\/summary\u003e\n        \u003cdiv style=\"padding:12px 14px; font-size:14px; line-height:1.6;\"\u003eIn new systems, add \u003cstrong\u003e1 litre during the final fill\u003c\/strong\u003e. For larger systems, dose at \u003cstrong\u003e1 litre per 300 litres of system volume\u003c\/strong\u003e.\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n        \u003csummary style=\"background-color:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eHow long should I circulate it for?\u003c\/summary\u003e\n        \u003cdiv style=\"padding:12px 14px; font-size:14px; line-height:1.6;\"\u003eCirculate the system for \u003cstrong\u003eat least 30 minutes\u003c\/strong\u003e after dosing to ensure complete distribution throughout the whole system.\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n        \u003csummary style=\"background-color:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eCan X700 be used with other cleaning chemicals?\u003c\/summary\u003e\n        \u003cdiv style=\"padding:12px 14px; font-size:14px; line-height:1.6;\"\u003eNo. This product \u003cstrong\u003eshould not be mixed with other types of cleaning product\u003c\/strong\u003e other than those specifically approved by Sentinel.\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n        \u003csummary style=\"background-color:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eIs X700 safe to handle?\u003c\/summary\u003e\n        \u003cdiv style=\"padding:12px 14px; font-size:14px; line-height:1.6;\"\u003eIt is classified as \u003cstrong\u003ecorrosive to metals and to skin, and can cause serious eye damage\u003c\/strong\u003e. Always wear suitable protective clothing, gloves and eye protection, and read the safety data sheet before use.\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003cdetails style=\"margin-bottom:8px; border:1px solid #e0e0e0; border-radius:6px; overflow:hidden;\"\u003e\n        \u003csummary style=\"background-color:#008377CF; color:#ffffff; padding:10px 14px; font-weight:600; cursor:pointer; list-style:none;\"\u003eShould X700 be used alone or with an inhibitor?\u003c\/summary\u003e\n        \u003cdiv style=\"padding:12px 14px; font-size:14px; line-height:1.6;\"\u003eFor efficient long-term operation, underfloor systems should be treated with \u003cstrong\u003eboth Sentinel X700 Biocide and Sentinel X100 Inhibitor\u003c\/strong\u003e at first fill or following a clean.\u003c\/div\u003e\n      \u003c\/details\u003e\n      \u003c\/div\u003e\n\u003c\/div\u003e","brand":"Sentinel","offers":[{"title":"Default Title","offer_id":65283125117277,"sku":"X700","price":27.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/SentinelX700Biocide1Litre-UnderfloorHeatingBacteria_FungiProtection.jpg?v=1784306314","url":"https:\/\/qualityheating.co.uk\/products\/sentinel-x700-biocide-1-litre-underfloor-heating-bacteria-fungi-protection","provider":"AIZO Quality Heating","version":"1.0","type":"link"}