{"product_id":"fernox-cleaner-f3-265ml","title":"Fernox Cleaner F3 265ml","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"b307cb45-7685-4967-8208-c42213fd4493\" data-testid=\"conversation-turn-392\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"de1cda17-c7b2-4a54-bef2-e3059b025e1b\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"23\" data-end=\"334\"\u003e\u003cstrong data-start=\"23\" data-end=\"53\"\u003eFernox Cleaner F3 (265 ml)\u003c\/strong\u003e is a central heating system cleaning additive designed to help remove \u003cstrong data-start=\"124\" data-end=\"198\"\u003einstallation debris, oils, flux residues, and loose corrosion products\u003c\/strong\u003e from new or existing heating circuits. It prepares the system water for effective corrosion protection and improves overall efficiency.\u003c\/p\u003e\n\u003ch3 data-start=\"336\" data-end=\"360\"\u003eFunction \u0026amp; Purpose\u003c\/h3\u003e\n\u003cp data-start=\"361\" data-end=\"784\"\u003eDuring installation, servicing, or repair work, contaminants such as soldering flux, metal filings, and rust particles can remain in the heating system. These impurities can reduce flow, impair heat transfer, and contribute to cold spots on radiators or noisy pump operation. \u003cstrong data-start=\"637\" data-end=\"651\"\u003eF3 Cleaner\u003c\/strong\u003e breaks down and disperses these contaminants so they can be flushed out of the system before adding a long-term corrosion inhibitor.\u003c\/p\u003e\n\u003ch3 data-start=\"786\" data-end=\"805\"\u003eCompatibility\u003c\/h3\u003e\n\u003cp data-start=\"806\" data-end=\"1085\"\u003eThis cleaner is suitable for use in \u003cstrong data-start=\"842\" data-end=\"876\"\u003esealed central heating systems\u003c\/strong\u003e including combi, system, and conventional boiler installations. It is formulated to be compatible with common heating system materials such as steel, copper, and aluminium when used according to instructions.\u003c\/p\u003e\n\u003ch3 data-start=\"1087\" data-end=\"1105\"\u003eHow It Works\u003c\/h3\u003e\n\u003cp data-start=\"1106\" data-end=\"1599\"\u003eThe \u003cstrong data-start=\"1110\" data-end=\"1120\"\u003e265 ml\u003c\/strong\u003e bottle is added to the system via a suitable access point such as a filling loop or filter connection. Once introduced, the system should be run under normal operating conditions for a recommended period to allow the cleaner to circulate and interact with contaminants. After the cleaning period, the system must be \u003cstrong data-start=\"1437\" data-end=\"1476\"\u003ethoroughly flushed with clean water\u003c\/strong\u003e to remove the suspended debris. Following flushing, a corrosion inhibitor should be added to protect the system long term.\u003c\/p\u003e\n\u003ch3 data-start=\"1601\" data-end=\"1619\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cp data-start=\"1620\" data-end=\"2005\"\u003eUsing Fernox F3 Cleaner helps improve heat transfer and circulation by removing soluble and suspended contaminants early in the system’s life or after servicing. Cleaner system water supports quieter operation, more even radiator heating, and reduced risk of performance issues caused by debris build-up. Removing contaminants also allows corrosion inhibitors to work more effectively.\u003c\/p\u003e\n\u003ch3 data-start=\"2007\" data-end=\"2031\"\u003eIdeal Applications\u003c\/h3\u003e\n\u003cp data-start=\"2032\" data-end=\"2328\"\u003eF3 Cleaner is ideal for \u003cstrong data-start=\"2056\" data-end=\"2093\"\u003enew central heating installations\u003c\/strong\u003e, boiler upgrades, or systems that have been drained and refilled after repair work. It is commonly used as part of a complete system preparation process—cleaning first, then flushing, and finally protecting with a corrosion inhibitor.\u003c\/p\u003e\n\u003ch3 data-start=\"2330\" data-end=\"2346\"\u003eUsage Note\u003c\/h3\u003e\n\u003cp data-start=\"2347\" data-end=\"2558\"\u003eAlways follow the manufacturer’s dosing and safety instructions. After cleaning and flushing, add a suitable corrosion inhibitor or conditioner to ensure lasting protection against corrosion and scale formation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Fernox","offers":[{"title":"Default Title","offer_id":57056154616153,"sku":"23118501","price":8.51,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/9738\/1209\/files\/23118501_FO.jpg?v=1768820240","url":"https:\/\/plumbpartsxpressshop.com\/products\/fernox-cleaner-f3-265ml","provider":"Plumbparts xpress","version":"1.0","type":"link"}