{"product_id":"tsi-supercool-1-oz-leak-stop-u-v-dye-hfc-free-aerosol-non-polymer-seal-for-small-a-c-leaks","title":"TSI Supercool 1 oz Leak Stop \u0026 U\/V Dye — HFC‑Free aerosol, non‑polymer seal for small A\/C leaks","description":"\u003cp\u003e\u003cstrong\u003eTSI Supercool 39241B Total Leak Stop and U\/V Dye is a 1-ounce, HFC-free aerosol treatment that locates and seals small refrigerant leaks in vehicle A\/C systems without polymers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis compact retail can combines a fluorescent U\/V dye for leak detection with a non-polymer sealing formula designed to stop minor leaks in evaporators, condensers, hoses, gaskets, and O-rings. Packaged as a single-can, one-vehicle treatment and shipped with an adapter for easy application, the product uses TSI Supercool’s patented HFC-free aerosol technology (US Patent No. 8,047,009) to minimize risk of component clogging and to remain compatible with system recovery and reclamation equipment.\u003c\/p\u003e\n\n\u003ch3\u003eHow does it identify leaks in my car’s A\/C system?\u003c\/h3\u003e\n\n\u003cp\u003eThe formula includes a fluorescent U\/V dye that travels with the refrigerant and highlights leak points under a UV light. After application and system operation, technicians or DIYers inspect suspected areas with a black light to quickly spot dye traces.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eContains visible U\/V dye for fast leak location\u003c\/li\u003e\n  \u003cli\u003eWorks in evaporators, condensers, hoses, gaskets, and seals\u003c\/li\u003e\n  \u003cli\u003eRequires a UV light inspection after circulation\u003c\/li\u003e\n  \u003cli\u003eSafe to use with standard detection procedures\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this product clog my A\/C components or recovery machines?\u003c\/h3\u003e\n\n\u003cp\u003eTSI Supercool 39241B is formulated without polymers, reducing the risk of residue build-up inside compressors, expansion valves, or recovery\/reclamation devices. The absence of polymeric fillers keeps the system clean while providing a targeted seal for small leaks.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eNo polymers to harden or gum up passages\u003c\/li\u003e\n  \u003cli\u003eCompatible with common recovery and recycling equipment\u003c\/li\u003e\n  \u003cli\u003eSafe for use with typical automotive A\/C components\u003c\/li\u003e\n  \u003cli\u003eDesigned for minimal system interference\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I apply the 1-ounce can and adapter correctly?\u003c\/h3\u003e\n\n\u003cp\u003eThe retail kit includes an adapter that connects the aerosol to the vehicle’s low-side service port for direct introduction into the A\/C circuit. Follow safety steps: depressurize if necessary, attach the adapter securely, run the system per instructions, and then inspect for dye using UV illumination.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eAttach adapter to the low-side service port\u003c\/li\u003e\n  \u003cli\u003eIntroduce the full 1-ounce can per instructions\u003c\/li\u003e\n  \u003cli\u003eRun the A\/C to circulate product through the system\u003c\/li\u003e\n  \u003cli\u003eInspect with a UV lamp to locate leaking areas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kinds of leaks can it stop, and what are the limits?\u003c\/h3\u003e\n\n\u003cp\u003eThis treatment is engineered for small leaks—hairline cracks, tiny gasket weeps, and slow-seeping hose or seal flaws. It is not intended for large ruptures, failed hoses, or major compressor damage; such issues require mechanical repair or component replacement.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eEffective on slow, small leaks in typical A\/C locations\u003c\/li\u003e\n  \u003cli\u003eNot a substitute for replacing visibly damaged parts\u003c\/li\u003e\n  \u003cli\u003eBest used as a diagnostic and preventive single-vehicle treatment\u003c\/li\u003e\n  \u003cli\u003eIdeal for older systems or situational repair where small leaks are present\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: TSI Supercool 39241B is aimed at automotive technicians, mobile mechanics, and informed DIYers who need a quick, single-can solution to locate and seal small refrigerant leaks without introducing polymers into the system. It fits customers looking for an HFC-free aerosol option that pairs detection (U\/V dye) with a non-clogging sealant for routine maintenance, troubleshooting, or minor leak mitigation.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is this product safe for A\/C recovery and recycling machines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The formula contains no polymers, so it won’t harm or clog recovery and reclamation equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can one 1-ounce can fix any refrigerant leak?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. It’s designed for small, slow leaks; large ruptures or failed components require replacement.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"TSI Supercool","offers":[{"title":"Default Title","offer_id":48083149750430,"sku":"B01981J6F6","price":52.17,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tsi-supercool-front-can-retail-packaging.jpg?v=1785826530","url":"https:\/\/northtrailauto.ca\/products\/tsi-supercool-1-oz-leak-stop-u-v-dye-hfc-free-aerosol-non-polymer-seal-for-small-a-c-leaks","provider":"North Trail Auto","version":"1.0","type":"link"}