{"product_id":"adey-mc4-leak-sealer-500ml-central-heating-cp1-03-00998","title":"Adey MC4 Leak Sealer 500ml Central Heating | CP1-03-00998","description":"\u003c!-- SEO Product Name: Adey MC4 Leak Sealer 500ml Central Heating | CP1-03-00998 --\u003e\n\u003cdiv style=\"font-size:16px; max-width:900px; margin:0 auto; color:#222222; font-family:Arial, Helvetica, sans-serif;\"\u003e\n\u003cp style=\"margin:0 0 14px 0; line-height:1.65;\"\u003eThe \u003cstrong style=\"color:#008377CF;\"\u003eAdey MC4 Leak Sealer 500ml (CP1-03-00998)\u003c\/strong\u003e is a \u003cstrong style=\"color:#008377CF;\"\u003ehighly concentrated, high-performance leak sealer\u003c\/strong\u003e that protects and seals from the inside. It infiltrates \u003cstrong style=\"color:#008377CF;\"\u003ehard-to-reach places\u003c\/strong\u003e to seal \u003cstrong style=\"color:#008377CF;\"\u003esmall, inaccessible leaks and weeping joints\u003c\/strong\u003e, reducing the need for a more costly repair. One dose could be all it takes to fix the leak and restore pressure.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px 0; line-height:1.65;\"\u003eOne 500ml bottle gives \u003cstrong style=\"color:#008377CF;\"\u003eeffective treatment for a typical 100 litre \/ ten radiator system\u003c\/strong\u003e. MC4 \u003cstrong style=\"color:#008377CF;\"\u003ereduces pressure loss on sealed systems\u003c\/strong\u003e, leaves \u003cstrong style=\"color:#008377CF;\"\u003eno blocked pumps, valves or air vents\u003c\/strong\u003e, is \u003cstrong style=\"color:#008377CF;\"\u003esuitable for all heating systems\u003c\/strong\u003e and \u003cstrong style=\"color:#008377CF;\"\u003enon-hazardous, non-toxic and biodegradable\u003c\/strong\u003e. Dose it through a \u003cstrong style=\"color:#008377CF;\"\u003eMagnaClean canister\u003c\/strong\u003e, a radiator or the F\u0026amp;E tank; \u003cstrong style=\"color:#008377CF;\"\u003eno preparation is required\u003c\/strong\u003e and the heating can be used as normal afterwards.\u003c\/p\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:10px; margin:22px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; line-height:1.2;\"\u003e500ml\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eBottle size\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; line-height:1.2;\"\u003e100L\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eTypical system treated\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; line-height:1.2;\"\u003e10\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eRadiators per bottle\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; line-height:1.2;\"\u003eAll systems\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eHeating compatible\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; line-height:1.2;\"\u003epH 7.0\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eConcentrated\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 130px; background:#008377CF; color:#ffffff; border-radius:8px; padding:14px 10px; text-align:center;\"\u003e\n\u003cdiv style=\"font-size:22px; font-weight:700; line-height:1.2;\"\u003eCP1-03-00998\u003c\/div\u003e\n\u003cdiv style=\"font-size:13px; margin-top:4px;\"\u003eManufacturer part code\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:6px solid #008377CF; background:#E6F3F2; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; margin-bottom:4px;\"\u003eDose through MagnaClean\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eTo introduce MC4, Adey recommends dosing through the MagnaClean canister, or alternatively via a radiator or the F\u0026amp;E tank. For long-term system protection, use MC4 together with ADEY MC1 Protector.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:6px solid #E08A00; background:#FFF4E0; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#E08A00; margin-bottom:4px;\"\u003eFor small leaks only\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eMC4 seals small leaks and weeping joints; larger failures still need a proper repair. For larger systems, use further MC4 as required. Do not use in single feed indirect cylinders.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"border-left:6px solid #C62828; background:#FDECEA; padding:12px 16px; margin:14px 0; border-radius:4px;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#C62828; margin-bottom:4px;\"\u003eHandling and storage\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eClassified as non-hazardous, but as with all domestic chemicals avoid contact with eyes and skin and keep out of reach of children. Store in a cool, well-ventilated area, tightly closed and in the original packaging.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size:20px; color:#008377CF; margin:32px 0 14px 0; padding-bottom:6px; border-bottom:3px solid #008377CF;\"\u003eKey features\u003c\/h3\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; gap:14px; margin:14px 0;\"\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:5px solid #008377CF; border-radius:6px; padding:14px 16px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:17px; margin-bottom:6px;\"\u003eSeals from the inside\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eFlows around the system to seal \u003cstrong style=\"color:#008377CF;\"\u003esmall inaccessible leaks and weeping joints\u003c\/strong\u003e in places that are hard to reach.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:5px solid #008377CF; border-radius:6px; padding:14px 16px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:17px; margin-bottom:6px;\"\u003eRestores pressure\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eHelps \u003cstrong style=\"color:#008377CF;\"\u003ereduce pressure loss on sealed systems\u003c\/strong\u003e; one dose could be all it takes to restore pressure.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:5px solid #008377CF; border-radius:6px; padding:14px 16px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:17px; margin-bottom:6px;\"\u003eNo blockages\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eFormulated so there are \u003cstrong style=\"color:#008377CF;\"\u003eno blocked pumps, valves or air vents\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:5px solid #008377CF; border-radius:6px; padding:14px 16px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:17px; margin-bottom:6px;\"\u003eNo preparation needed\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003e\n\u003cstrong style=\"color:#008377CF;\"\u003eNo preparation is required\u003c\/strong\u003e, and you can use your heating as normal after dosing.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:5px solid #008377CF; border-radius:6px; padding:14px 16px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:17px; margin-bottom:6px;\"\u003eDose through MagnaClean\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eAdd via the \u003cstrong style=\"color:#008377CF;\"\u003eMagnaClean canister\u003c\/strong\u003e (recommended), or alternatively through a \u003cstrong style=\"color:#008377CF;\"\u003eradiator or F\u0026amp;E tank\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex:1 1 260px; border:1px solid #008377CF; border-top:5px solid #008377CF; border-radius:6px; padding:14px 16px; background:#ffffff;\"\u003e\n\u003cdiv style=\"font-weight:700; color:#008377CF; font-size:17px; margin-bottom:6px;\"\u003eHighly concentrated and safe\u003c\/div\u003e\n\u003cdiv style=\"line-height:1.6;\"\u003eA \u003cstrong style=\"color:#008377CF;\"\u003ehighly concentrated formula\u003c\/strong\u003e that is non-hazardous, non-toxic and biodegradable, and avoids costly maintenance repairs.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size:20px; color:#008377CF; margin:32px 0 14px 0; padding-bottom:6px; border-bottom:3px solid #008377CF;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cdiv style=\"border:1px solid #008377CF; border-radius:6px; overflow:hidden; margin:14px 0;\"\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 16px;\"\u003eProduct\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eBrand\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eAdey\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eProduct\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eMC4 Leak Sealer\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eManufacturer part code\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eCP1-03-00998\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003ePack size\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003e500ml bottle\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eProduct type\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eCentral heating leak sealer\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 16px;\"\u003ePerformance and application\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eDose\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003e500ml treats a typical 100 litre \/ ten radiator system\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eLarger systems\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eUse further MC4 as required\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eSystem types\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eAll heating systems\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eDosing routes\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eMagnaClean canister (recommended), radiator or F\u0026amp;E tank\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003ePreparation\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eNone required; use heating as normal after dosing\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eLong-term protection\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eUse with ADEY MC1 Protector\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 16px;\"\u003ePhysical and chemical properties\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eAppearance\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eViscous emulsion\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eColour\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eWhite \/ off-white\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eOdour\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eSlight\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eSolubility\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eDispersible in water\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003epH (concentrated solution)\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003e7.0\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 16px;\"\u003eEnvironmental and quality\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eClassification\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eNon-hazardous, non-toxic and biodegradable\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#ffffff; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eQuality systems\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eISO 9001 and ISO 14001\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:10px 16px;\"\u003eRestrictions\u003c\/div\u003e\n\u003cdiv style=\"display:flex; flex-wrap:wrap; background:#F2F8F7; padding:9px 16px; border-bottom:1px solid #dde9e7;\"\u003e\n\u003cdiv style=\"flex:1 1 200px; font-weight:700; color:#008377CF;\"\u003eNot suitable for\u003c\/div\u003e\n\u003cdiv style=\"flex:2 1 280px;\"\u003eSingle feed indirect cylinders\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 style=\"font-size:20px; color:#008377CF; margin:32px 0 14px 0; padding-bottom:6px; border-bottom:3px solid #008377CF;\"\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cdiv style=\"margin:14px 0;\"\u003e\n\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:12px 16px; cursor:pointer;\"\u003eWhat size of leak will MC4 seal?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px; line-height:1.65;\"\u003eMC4 is designed for \u003cstrong style=\"color:#008377CF;\"\u003esmall, inaccessible leaks and weeping joints\u003c\/strong\u003e. Larger leaks need a proper repair.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:12px 16px; cursor:pointer;\"\u003eHow much MC4 do I need?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px; line-height:1.65;\"\u003eA 500ml bottle gives effective treatment for a \u003cstrong style=\"color:#008377CF;\"\u003etypical 100 litre \/ ten radiator system\u003c\/strong\u003e. For larger systems, use further MC4 as required.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:12px 16px; cursor:pointer;\"\u003eHow do I add MC4?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px; line-height:1.65;\"\u003eAdey recommends dosing through the \u003cstrong style=\"color:#008377CF;\"\u003eMagnaClean canister\u003c\/strong\u003e. Alternatively, dose via a radiator or the F\u0026amp;E tank. No preparation is required.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:12px 16px; cursor:pointer;\"\u003eCan I use the heating straight after dosing?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px; line-height:1.65;\"\u003eYes. Adey states that \u003cstrong style=\"color:#008377CF;\"\u003eno preparation is required\u003c\/strong\u003e and you can use your heating as normal after dosing.\u003c\/div\u003e\u003c\/details\u003e\u003cdetails style=\"border:1px solid #008377CF; border-radius:6px; margin-bottom:10px; overflow:hidden;\"\u003e\u003csummary style=\"background:#008377CF; color:#ffffff; font-weight:700; padding:12px 16px; cursor:pointer;\"\u003eWill it block pumps, valves or air vents?\u003c\/summary\u003e\u003cdiv style=\"padding:12px 16px; line-height:1.65;\"\u003eNo. It is formulated so there are \u003cstrong style=\"color:#008377CF;\"\u003eno blocked pumps, valves or air vents\u003c\/strong\u003e. It should not be used in single feed indirect cylinders.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"ADEY","offers":[{"title":"Default Title","offer_id":67553502167430,"sku":"CP1-03-00998","price":21.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/AdeyMC4LeakSealer500mlCentralHeatingCP1-03-00998.jpg?v=1790857557","url":"https:\/\/qualityheating.co.uk\/products\/adey-mc4-leak-sealer-500ml-central-heating-cp1-03-00998","provider":"AIZO Quality Heating","version":"1.0","type":"link"}